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#41
Posted to rec.woodworking
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O/T: Up Yours
Han wrote:
Mark & Juanita wrote in m: Han wrote: "J. Clarke" wrote in news:g0na0502lr3 @news2.newsguy.com: Han wrote: "J. Clarke" wrote in news:g0mksh11jc5 @news3.newsguy.com: Han wrote: Mark & Juanita wrote in m: ... snip that warehousing CO2 is going to take a huge amount of storage volume? Of course there will always be NIMBY, but I think that filling underground voids generated by mining would be a good place. This is just amazing. The fear of a natural compound that is a very minor atmospheric constituent and the product of perfect combustion. The idea that humans can somehow influence the climate of the entire planet (of which 3/4 is ocean) by the production of a minor atmospheric constituent is pure hubris. Can we foul our own nests? Absolutely, that's why smog controls and making sure that industrial smokestacks are not causing severe local pollution. But destroying the planet? It doesn't pass the laugh test. Yet so many are buying in to it that they are willing to cause economic (and in other countries survival) hardships on others rather than taking logical steps to increase energy production. A growing, prosperous economy cannot continue to use less and less energy (conservation) yet continue to grow and prosper. When alternate sources become competitive, they will be used; forcing their use and subsidizing it with other peoples' money is not the development of alternate energy sources. From your sig, and with all respect: If you're going to be dumb, you better be tough The scientific principles behind CO2 causing our planet to heat up are very convincing. Is this why we haven't experienced warming since about 1998? And why last year has been one of the coolest on record? Also is this why climatologists are indicating that for the next 10 to 12 years we can expect to see a decrease in global average temperature due to "natural causes"? These causes, by the way that weren't predicted by the models extrapolating a rise in global average temperature over the next 5 decades. Sure, one can apply models of increased CO2 concentration and show an increase in temperature. What these models fail to do (and are frankly incapable of doing) is take into account that the atmosphere is a remarkably complex closed-loop control system that will mitigate those effects by increased plant growth. Get the models to properly predict, from only a posteriori data the average climate in a known time period, then use those models to predict climate within a reasonable future period (say a period of 10 years). After that, if the models have shown reasonable agreement with real measurements, then maybe the GW community will have a valid leg to stand upon. Until then, using hysteria and unreliable models to dismantle and destroy our society is beyond reprehensible. Is CO2 the worst of the gases? No, methane is much worse, but because it is present in so much lesser quantities, it may not reach the importance of CO2. Is the heating by the increased CO2 that much? On a scale of 0 to a million degrees Kelvin, again, no, but try heating your body up 5 degrees K, from 310 to 315 degrees. That is not even a 2% increase! But less than a few hours and you're cooked. You have to realize that things that in relative terms are minor can still affect life in a major way. Can we adjust? We don't know, because we don't really know how much things are going to change. Will the planet survive? Sure, by all records Earth has been much hotter and much cooler before, compared to now, but our society may not. Should we try to prevent extremes like we are seemingly having success in combating air pollution in our big cities? I think we should. The temperature swings predicted by even the most rabid GW zealots nowhere approach a 10 degree F temperature increase in the coming years (your 5K increase). The question of whether human action could affect that in any significant way is quite debateable. What leads one to believe that the current average temperatures are/were ideal? The climatological changes over the centuries, including the mini-ice age during the Middle Ages and other such swings in climate show that natural state of the climate is to be unstable. Cooling is as bad for humans as greater warming, probably even more so as it affects food production adversely (just ask the farmers in Greenland). -- If you're going to be dumb, you better be tough |
#42
Posted to rec.woodworking
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O/T: Up Yours
Garage_Woodworks wrote:
The oceans are known to be a huge sink for CO2 and with cooler temperatures absorb it. Also, with warmer temperatures, the oceans release CO2. So the question is which is cause and which is effect. Does CO2 increase precede heating or does heating precede CO2 increase. I would think that CO2 increases would precede heating. Which causes more CO2 release. Do you have any true scientific cites for this? This sounds like it would be a runaway situation which couldn't be stopped until all the CO2 from the oceans was in the atmosphere! |
#43
Posted to rec.woodworking
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O/T: Up Yours
Garage_Woodworks wrote:
"Doug Winterburn" wrote in message ... Garage_Woodworks wrote: The oceans are known to be a huge sink for CO2 and with cooler temperatures absorb it. Also, with warmer temperatures, the oceans release CO2. So the question is which is cause and which is effect. Does CO2 increase precede heating or does heating precede CO2 increase. I would think that CO2 increases would precede heating. Which causes more CO2 release. Do you have any true scientific cites for this? This sounds like it would be a runaway situation which couldn't be stopped until all the CO2 from the oceans was in the atmosphere! No! Remeber that solubility is also a function of pH. As temp rises, CO2 is released and pH climbs. As pH climbs CO2 is more soluble. That would mean that the oceans and atmosphere will always be trying to reach equilibrium. I think their is a lot of research being done on this with a lot of contradicting data. I hope so - I'd hate to think we we're going down this man made GW path with no firm scientific evidence. |
#44
Posted to rec.woodworking
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Up Yours
Before I read the replies to this...
We could blow em up and take it from them. K. |
#45
Posted to rec.woodworking
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Up Yours
"Lew Hodgett" wrote in message news:cGmXj.523$%g.206@trnddc08... "Leon" wrote: Take over. A take over is probably going to happen along about NOV. --- and THAT scares the hell outt me. K. |
#46
Posted to rec.woodworking
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Up Yours
On May 17, 11:40 am, Tom Watson wrote:
On Sat, 17 May 2008 10:37:05 -0500, "Leon" wrote: "Tom Watson" wrote in message .. . Are these Islamofascists then - Republican Muslims? Nope, they are Independents Muslims Now that's really funny. Think we can con them into voting for Nader? Tom Watson tjwatson1ATcomcastDOTnetwww.home.comcast.net/~tjwatson1 If Grease Pit Denizen were an elective office, Nader would be a shoo- in. Instead, all he gets is the "shoo." |
#47
Posted to rec.woodworking
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O/T: Up Yours
"Garage_Woodworks" .@. wrote in
: "Garage_Woodworks" .@. wrote in message ... CO2(g)------ CO2(aq) ---- H2CO3----- HCO3-1 ------ CO3-2. ---increasing pH------ The opposite is also true. As CO2(aq) goes to CO2(g) and leaves the ocean the equilibrium shifts to the left and the CO2(aq) concentration doesn't change. And the pH rises. ABOVE should have read equilibrium shifts to the right. pH rises (more basic) shifts to right. pH falls (more acidic) shifts to left. Yes. In principle this is a very simple set of equations. The difficulty is that oceans are not homogeneous, and we do not exactly know where in the oceans their is really a good totaal capacity to dissolve more gaseous CO2 (whether as truely dissolved gas or transformed into bicarbonate and carbonate). Also, it is not yet known whether ocean acidification will indeed kill off corals or not. Or whether more dissolved CO2 in whatever form will enhance coral growth. Very complicated indeed, mostly because ocean mixing is still hotly discussed science. What effects chanes in salinity will have is also important when more arctic and antarctic ice will melt, and mix into the oceans. Hopefully it will all only happen in a disastrous way after my adult teeth have stopped hurting me ... Which brings up the question whether cremation or burial is the "greener" way to go ... -- Best regards Han email address is invalid |
#48
Posted to rec.woodworking
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O/T: Up Yours
Mark & Juanita wrote in
m: (snipped for brevity). I believe that there is a very significant correlation between the human production of CO2 and global warming (GW), a correlation that is very, very suggestive of a causal relationship. Maybe cooling (as when volcanoes erupt and throw stuff up into the atmosphere, sometimes causing winter-like summers, and famine) is more harmful in a relatively short time period. However, I am very fearful that we may start a feed-forward loop wherein CO2 increases cause global warming which in turn causes more CO2 to leave the oceans, etc. -- Best regards Han email address is invalid |
#49
Posted to rec.woodworking
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O/T: Up Yours
In article , Han wrote:
The scientific principles behind CO2 causing our planet to heat up are very convincing. Not really: consider that ice core data shows that previous temperature increases *precede* increases in atmospheric CO2 levels. Kinda hard to show a cause-and-effect relationship when the supposed "cause" follows the "effect". Is CO2 the worst of the gases? No, methane is much worse, but because it is present in so much lesser quantities, it may not reach the importance of CO2. Is the heating by the increased CO2 that much? First off, there's *no* evidence that increasing atmospheric CO2 levels *cause* the very slight warming that has been observed... On a scale of 0 to a million degrees Kelvin, again, no, but try heating your body up 5 degrees K, from 310 to 315 degrees. That is not even a 2% increase! But less than a few hours and you're cooked. ... and second, this is an entirely specious comparison. The slight temperature increase that has been observed so far is NOWHERE NEAR 5 degrees Kelvin. |
#50
Posted to rec.woodworking
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O/T: Up Yours
Mark & Juanita wrote in
: Han wrote: ... snip Renewables are simply stop gaps and niche products and often expensive.... Not so. I signed up for electricity delivery from renewable sources, and I hope I am not hoodwinked. The info and bills say I am getting 100% of my electricity from wind and water, all for ~$4/month more. OK, on a $50/month electric bill it is by percentage a lot, perhaps, but not much in impact on my pocketbook. But are you really paying 100% of the cost of the difference for those renewables, or it this where you are paying for one of those "green watts" programs where you donate a certain amount per month for so development of so many kilowatt hours of wind or solar? I am surcharged to pay for the difference in cost (or subsidy - what's the difference?) between ordinary electricity and high-faluting electricity. Thereby I believe I am doing something good, and I am happy that I can afford it. Conservation makes a good sound bite but no one ever rationed themselves to prosperity. Possibly worthwhile for getting through hard times but never for solving hard times. Rod Conservation can be as easy as walking to the post office 200 yards away, instead of starting up the car from cold, Not sure that many people would actually drive that short a distance and even those who do are using miniscule amounts of energy in so doing I was making a point, and using close to an actual distance between my home and the USPS office in 07410. At night, when getting a prescription in the rain from the CVS 100 yards further, I have chosen to use the car. just for getting a few stamps. Or turning off the lights when not needed. Conservation need not be a measure of last resort, but is just a showing of respect for natural resources. If you are doing it to save money, that's one thing. If you think you are saving the planet, you've been hoodwinked. One does not exclde the other. Do not demean the "rush" of realizing you're doing something "good" grin. All in my opinion, of course! And I do leave my computers on too much grin. One of the biggest wasters of resources is the idiotic "sleep mode" on copiers and printers at places of business. It takes on the order of minutes for those things to wake up while the person using them has to wait. When you compute the cost of the person's time vs. the electricity savings, the electricity savings pale in comparison. That's a real drag on productivity and output That's true for a gadget that is used every few minutes, or at least every half hour on a 24/7 basis. I was more thinking of the TV being really on while everyone is asleep or at work. Or the copier is on during the long weekend. (Our copier at work goes into deep sleep when not used in an hour or so, so then it is less of a factor). -- Best regards Han email address is invalid |
#51
Posted to rec.woodworking
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O/T: Up Yours
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#52
Posted to rec.woodworking
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O/T: Up Yours
Han wrote:
"J. Clarke" wrote in news:g0na0502lr3 @news2.newsguy.com: Han wrote: "J. Clarke" wrote in news:g0mksh11jc5 @news3.newsguy.com: Han wrote: Mark & Juanita wrote in m: How about maybe developing our own oil fields and reserves? A few nuclear reactors might be helpful as well. Had Bubba Clinton not prohibited drilling in ANWR in 1994, saying that it would take 10 years before anything resulted anyway, we would now be getting 1 million barrels a day from that field. But the Saudis have just stated that supply and demand are in equilibrium. You don't believe your friends grin? Conservation should be first and renewable energy second. Developing coal strategies third (with CO2 retention to prevent accumulation of greenhouse gases), So what, we're going to warehouse an increasing volume of CO2 forever? Mother Gaia has done it, in clathrates, or whatever they call the complexes in the cold nether regions of the oceans. It can be done other ways as well. And where do we put these clathrates or "other ways"? I really think we agree on the need for responsible use and generation of renewable energy . I'd suggest to put clathrates in the voids of coal or other mines, to help prevent sinkholes. nuclear fourth (with a strategy for making use of nuclear waste), Calculate the volume required to store the CO2 from using coal and the volume required to store the waste from nuclear plants that produce the same amount of power and tell us which makes more sense. I'm all for nuclear energy, but the volume of waste is not the problem. The problems with nuclear waste are the heat generated How much heat do you believe to be generated by nuclear waste once the short-half-life elements have decayed? I'm not a nuclear engineer, so I can't quote you numbers, but I do believe that the heat generated by nuclear waste can be considerable. Obviously it depends on the energy of the decay step(s) and their respective energies expressed per unit mass or volume (ducking). Short term it's "considerable" which is why high-level waste stays at the power plant until it's decayed enough for shipment. By the time it gets to a long-term storage facility the heat generated is negligible. and the need to contain it for a very, very long time. Whereas the CO2 has to be kept warehoused _forever_ or else there's no point in warehousing it. Warehousing would suggest you're going to use it again, which does not seem logical if you couldn't possible get energy or other use out of it. I think it has to be put away permanently, really. Whatever word you use, it still has to be kept forever. Definitely problems that can be conquered, but there is a lot of NIMBY to contend with. And you think there won't be a lot of NIMBY once people figure out that warehousing CO2 is going to take a huge amount of storage volume? Of course there will always be NIMBY, but I think that filling underground voids generated by mining would be a good place. Will those voids be sufficient, considering that what you're putting in them has had two atoms of oxygen added to each atom of carbon that was taken out? And will those voids be sufficiently secure to keep it segregated _forever_? If so then why not put nuclear waste there? -- -- --John to email, dial "usenet" and validate (was jclarke at eye bee em dot net) |
#53
Posted to rec.woodworking
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O/T: Up Yours
Rod & Betty Jo wrote:
J. Clarke wrote: So what, we're going to warehouse an increasing volume of CO2 forever? Why not?......Is the capture and storage cost prohibitive?......Are not rising levels of CO2 simply the release of naturally stored CO2? So how much are you going to have warehoused after, say, a thousand years? Remember, that warehouse has to be _absolutely_ secure--if it ever gets busted open then we have 1000 years worth of CO2 emission happening in an instant. Rising levels of CO2 are not "simply the release of naturally stored CO2". They are the result of burning carbon--one atom of carbon burned with two atoms of oxygen gives one molecule of CO2 plus a certain amount of energy. To store it "naturally" in the state it was in before it was burned you have to unburn it, which means putting as much energy _into_ it as you got out of it (more actually, considering that the process is not 100% efficient), which defeats the purpose of burning it in the firt place. Calculate the volume required to store the CO2 from using coal and the volume required to store the waste from nuclear plants that produce the same amount of power and tell us which makes more sense. I'd agree with current technologies and costs nuclear is the only or the largest viable energy crisis alternative.......Renewables are simply stop gaps and niche products and often expensive....Conservation makes a good sound bite but no one ever rationed themselves to prosperity. Possibly worthwhile for getting through hard times but never for solving hard times. Rod -- -- --John to email, dial "usenet" and validate (was jclarke at eye bee em dot net) |
#54
Posted to rec.woodworking
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O/T: Up Yours
Lew Hodgett wrote:
"Rod & Betty Jo" wrote: Renewables are simply stop gaps and niche products and often expensive.... Jeff Immelt, CEO, General Electric, obviously doesn't share your point of view. Seems he has made the decision to invest significant GE resources in the renewable energy business. Wonder where the assets from the sale of the GE major appliance business will be invested? Wind turbine anyone? The fact that GE thinks they can make money selling the things doesn't make them any less a stopgap. -- -- --John to email, dial "usenet" and validate (was jclarke at eye bee em dot net) |
#55
Posted to rec.woodworking
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O/T: Up Yours
Han wrote:
(Doug Miller) wrote in : In article , Han wrote: The scientific principles behind CO2 causing our planet to heat up are very convincing. Not really: consider that ice core data shows that previous temperature increases *precede* increases in atmospheric CO2 levels. Kinda hard to show a cause-and-effect relationship when the supposed "cause" follows the "effect". That makes GW still more scary, IMO. The CO2 increase like now (industrial revolution) has never before occurred (unless there was indeed volcanic CO2 output). My word, haven't you seen figures for the amount of greenhouse gases spewed by Mt. St. Helens, Mt. Pinatubo, and now the volcano in Chile. Dwarf the amount of gases emitted since the beginning of the industrial revolution. Is CO2 the worst of the gases? No, methane is much worse, but because it is present in so much lesser quantities, it may not reach the importance of CO2. Is the heating by the increased CO2 that much? First off, there's *no* evidence that increasing atmospheric CO2 levels *cause* the very slight warming that has been observed... The papers I have seen in reputable journals like Science indicate to me otherwise. On a scale of 0 to a million degrees Kelvin, again, no, but try heating your body up 5 degrees K, from 310 to 315 degrees. That is not even a 2% increase! But less than a few hours and you're cooked. .. and second, this is an entirely specious comparison. The slight temperature increase that has been observed so far is NOWHERE NEAR 5 degrees Kelvin. I was trying to make a point, but apparently didn't succeed. The point was that human life (and society in general) is predicated on agriculture, which is really bound to a rather narrow temperature range. You can shift things somewhat to or from the equator, but that's it. I hope I am just seeing the dark side of things and that it won't be as bad as the doomsayers suggest, but wouldn't you want to be on the safe side? If it means destroying our way of life and standard of living? No, for something as shaky and goofy as the idea that humans have the ability to change the temperature of the entire planet by only altering the CO2 concentration in the atmosphere by a few 1/10's to 1 ppm and that we should thus make major alterations that have severe impacts upon our economic security, I @#$% well want a whole lot more than some models that can't even predict what *has* happened, but want me to believe that they can predict what will happen. The fact is, a critical view of the data would indicate we don't even know what the global average temperature has been prior to widespread dissemination of the thermometer. If you want to give up your way of life because of speculation based upon the size of tree rings and ice core samples, go ahead -- don't expect me to jump off that bridge with you. -- If you're going to be dumb, you better be tough |
#56
Posted to rec.woodworking
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O/T: Up Yours
Han wrote:
"Rod & Betty Jo" wrote in acquisition: J. Clarke wrote: So what, we're going to warehouse an increasing volume of CO2 forever? Why not?......Is the capture and storage cost prohibitive?......Are not rising levels of CO2 simply the release of naturally stored CO2? Calculate the volume required to store the CO2 from using coal and the volume required to store the waste from nuclear plants that produce the same amount of power and tell us which makes more sense. I'd agree with current technologies and costs nuclear is the only or the largest viable energy crisis alternative....... If it were not for the problems of waste control and control of plutonium (apart from cheap nuclear weapon material, it is also very, very toxic), nuclear would be ideal. Hence the '60's ideas of fusion energy, still a great potential source. Renewables are simply stop gaps and niche products and often expensive.... Not so. I signed up for electricity delivery from renewable sources, and I hope I am not hoodwinked. The info and bills say I am getting 100% of my electricity from wind and water, all for ~$4/month more. OK, on a $50/month electric bill it is by percentage a lot, perhaps, but not much in impact on my pocketbook. So they ran wires from the wind turbines and dams direct to your house without interfacing them with the rest of the grid? Yeah, you're being hoodwinked. Conservation makes a good sound bite but no one ever rationed themselves to prosperity. Possibly worthwhile for getting through hard times but never for solving hard times. Rod Conservation can be as easy as walking to the post office 200 yards away, instead of starting up the car from cold, just for getting a few stamps. Or turning off the lights when not needed. Conservation need not be a measure of last resort, but is just a showing of respect for natural resources. And of course you're going to get rich this way. All in my opinion, of course! And I do leave my computers on too much grin. -- -- --John to email, dial "usenet" and validate (was jclarke at eye bee em dot net) |
#57
Posted to rec.woodworking
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O/T: Up Yours
Garage_Woodworks wrote:
"J. Clarke" wrote in message ... Whereas the CO2 has to be kept warehoused _forever_ or else there's no point in warehousing it. What about converting the CO2 to carbonate? I think this is how some scrubbers operate. The product of which (Na2CO3, K2CO3, CaCO3) could be sold to off set the cost of scrubbing. The product carbonates also take up less volume to store. And how much market is there for them? -- -- --John to email, dial "usenet" and validate (was jclarke at eye bee em dot net) |
#58
Posted to rec.woodworking
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O/T: Up Yours
Han wrote:
"Garage_Woodworks" .@. wrote in : "Garage_Woodworks" .@. wrote in message ... CO2(g)------ CO2(aq) ---- H2CO3----- HCO3-1 ------ CO3-2. ---increasing pH------ The opposite is also true. As CO2(aq) goes to CO2(g) and leaves the ocean the equilibrium shifts to the left and the CO2(aq) concentration doesn't change. And the pH rises. ABOVE should have read equilibrium shifts to the right. pH rises (more basic) shifts to right. pH falls (more acidic) shifts to left. Yes. In principle this is a very simple set of equations. The difficulty is that oceans are not homogeneous, and we do not exactly know where in the oceans their is really a good totaal capacity to dissolve more gaseous CO2 (whether as truely dissolved gas or transformed into bicarbonate and carbonate). Also, it is not yet known whether ocean acidification will indeed kill off corals or not. Or whether more dissolved CO2 in whatever form will enhance coral growth. Very complicated indeed, mostly because ocean mixing is still hotly discussed science. What effects chanes in salinity will have is also important when more arctic and antarctic ice will melt, and mix into the oceans. Sanity check time. Find the volume of water contained in the world's oceans, take the absolute worst-case CO2 concentrations that are being bandied around. Determine the amount of CO2 required to have even a measureable effect upon that volume of water. Hopefully it will all only happen in a disastrous way after my adult teeth have stopped hurting me ... Which brings up the question whether cremation or burial is the "greener" way to go ... Good heavens, I hope that was sarcasm. If not, I fear we are wasting our time here. -- If you're going to be dumb, you better be tough |
#59
Posted to rec.woodworking
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O/T: Up Yours
Han wrote:
Mark & Juanita wrote in m: (snipped for brevity). I believe that there is a very significant correlation between the human production of CO2 and global warming (GW), a correlation that is very, very suggestive of a causal relationship. Maybe cooling (as when volcanoes erupt and throw stuff up into the atmosphere, sometimes causing winter-like summers, and famine) is more harmful in a relatively short time period. However, I am very fearful that we may start a feed-forward loop wherein CO2 increases cause global warming which in turn causes more CO2 to leave the oceans, etc. I am far more fearful that if we change whatever we're doing the glaciation cycle that for some reason has been long delayed will happen at a greatly accelerated pace. -- -- --John to email, dial "usenet" and validate (was jclarke at eye bee em dot net) |
#60
Posted to rec.woodworking
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O/T: Up Yours
Han wrote:
Mark & Juanita wrote in : Han wrote: ... snip Renewables are simply stop gaps and niche products and often expensive.... .... snip If you are doing it to save money, that's one thing. If you think you are saving the planet, you've been hoodwinked. One does not exclde the other. Do not demean the "rush" of realizing you're doing something "good" grin. Ahh, the Church of Global warming. Repentance, penance, and absolution (carbon credits). I get it All in my opinion, of course! And I do leave my computers on too much grin. One of the biggest wasters of resources is the idiotic "sleep mode" on copiers and printers at places of business. It takes on the order of minutes for those things to wake up while the person using them has to wait. When you compute the cost of the person's time vs. the electricity savings, the electricity savings pale in comparison. That's a real drag on productivity and output That's true for a gadget that is used every few minutes, or at least every half hour on a 24/7 basis. I was more thinking of the TV being really on while everyone is asleep or at work. Or the copier is on during the long weekend. Over weekends and at night I'll buy. (Our copier at work goes into deep sleep when not used in an hour or so, so then it is less of a factor). ... and that's where the problem lies. One hour, two hours, during the business day -- that is what is really expensive. Even if the copier takes 1 kW (not true, but I don't have the numbers to hand) in idle mode -- that is at most 20 cents worth of electricity (50 cents in California probably). OTOH, the employee waiting for that copier to wake up from deep sleep -- typically 3 to 5 minutes can easily cost on the order of $3 to $5 worth of time once you figure labor and overhead into the time accounting for that person. It becomes even more expensive when the copies are critical for some last-minute deadline and one has to wait for the copier to "wake up" because it was idle for more than an hour. -- If you're going to be dumb, you better be tough |
#61
Posted to rec.woodworking
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O/T: Up Yours
Han wrote:
(Doug Miller) wrote in : In article , Han wrote: The scientific principles behind CO2 causing our planet to heat up are very convincing. Not really: consider that ice core data shows that previous temperature increases *precede* increases in atmospheric CO2 levels. Kinda hard to show a cause-and-effect relationship when the supposed "cause" follows the "effect". That makes GW still more scary, IMO. The CO2 increase like now (industrial revolution) has never before occurred (unless there was indeed volcanic CO2 output). How do you know that it has "never before occurred"? We only have data back a few hundred thousand years. Such events as the Deccan Traps took place long before that. Then there's the question of what a large meteor strike does--how much CO2 did the Chicxulub strike release? Is CO2 the worst of the gases? No, methane is much worse, but because it is present in so much lesser quantities, it may not reach the importance of CO2. Is the heating by the increased CO2 that much? First off, there's *no* evidence that increasing atmospheric CO2 levels *cause* the very slight warming that has been observed... The papers I have seen in reputable journals like Science indicate to me otherwise. Based on climate models that are working from a couple of hundred years of data no doubt. If the model when run for a simulated hundred thousand years or so doesn't show the glaciation cycle then it's not to be trusted. We're in the boundary of a cycle--the model has to be able to separate what's part of the cycle with what's not. If it can't show the cycle then it can't do that. And none of these climate models have been tested that way. These are basically the same models that told us that if Saddam fired his oil fields we'd all freeze to death in the dark. They were wrong then, what makes you think that they're right now? On a scale of 0 to a million degrees Kelvin, again, no, but try heating your body up 5 degrees K, from 310 to 315 degrees. That is not even a 2% increase! But less than a few hours and you're cooked. .. and second, this is an entirely specious comparison. The slight temperature increase that has been observed so far is NOWHERE NEAR 5 degrees Kelvin. I was trying to make a point, but apparently didn't succeed. The point was that human life (and society in general) is predicated on agriculture, which is really bound to a rather narrow temperature range. You can shift things somewhat to or from the equator, but that's it. I hope I am just seeing the dark side of things and that it won't be as bad as the doomsayers suggest, but wouldn't you want to be on the safe side? Eventually the event you fear is going to happen anyway you know. Why not have it happen now and get it over with? Ice ages are not the normal state of the planet. -- -- --John to email, dial "usenet" and validate (was jclarke at eye bee em dot net) |
#62
Posted to rec.woodworking
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O/T: Up Yours
On May 18, 12:13 am, (Doug Miller) wrote:
In article , Han wrote: The scientific principles behind CO2 causing our planet to heat up are very convincing. Not really: consider that ice core data shows that previous temperature increases *precede* increases in atmospheric CO2 levels. Kinda hard to show a cause-and-effect relationship when the supposed "cause" follows the "effect". Yes really. Thermodynamics and molecular spectroscopy provides that scientific basis, not meteorlogical or geological records. The greenhouse effect is on a sound theoretical footing. Climate change is not. You are confusing causality with correlation--So does Al Gore. Is CO2 the worst of the gases? The are neither good, nor bad. Although without a greenhouse effect the Earth would be frozen solid. That is very easy to demonstrate *scientifically*. No, methane is much worse, but because it is present in so much lesser quantities, it may not reach the importance of CO2. Is the heating by the increased CO2 that much? First off, there's *no* evidence that increasing atmospheric CO2 levels *cause* the very slight warming that has been observed... There is no question that increasing greenhouse gases in the atmosphere drives temperatures up. There is also no question that there are many other factors. On a scale of 0 to a million degrees Kelvin, again, no, but try heating your body up 5 degrees K, from 310 to 315 degrees. That is not even a 2% increase! But less than a few hours and you're cooked. .. and second, this is an entirely specious comparison. The slight temperature increase that has been observed so far is NOWHERE NEAR 5 degrees Kelvin. Of course he didn't say it was. He was pointing out that what is a small change in the purely physical sense is important to us. But of course you knew that. -- FF |
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O/T: Up Yours
J. Clarke wrote:
Han wrote: "J. Clarke" wrote in news:g0na0502lr3 @news2.newsguy.com: Han wrote: "J. Clarke" wrote in news:g0mksh11jc5 @news3.newsguy.com: Han wrote: Mark & Juanita wrote in m: How about maybe developing our own oil fields and reserves? A few nuclear reactors might be helpful as well. Had Bubba Clinton not prohibited drilling in ANWR in 1994, saying that it would take 10 years before anything resulted anyway, we would now be getting 1 million barrels a day from that field. .... snip I'm not a nuclear engineer, so I can't quote you numbers, but I do believe that the heat generated by nuclear waste can be considerable. Obviously it depends on the energy of the decay step(s) and their respective energies expressed per unit mass or volume (ducking). Short term it's "considerable" which is why high-level waste stays at the power plant until it's decayed enough for shipment. By the time it gets to a long-term storage facility the heat generated is negligible. It's been a bunch of years since my Modern Physics course, but I recall the fact that the highest-level wastes that generate such heat also have the shortest half-lives. and the need to contain it for a very, very long time. Whereas the CO2 has to be kept warehoused _forever_ or else there's no point in warehousing it. Warehousing would suggest you're going to use it again, which does not seem logical if you couldn't possible get energy or other use out of it. I think it has to be put away permanently, really. Whatever word you use, it still has to be kept forever. Back before Hanoi Jane and others got the the nuclear industry effectively shut down, there was significant research on means to deal with nuclear waste. One of the means involved vitrification (basically encapsulating in, or turning to, glass) and then launching the waste into space (destinations varied, from solar incineration to out of the solar system). The vitrified product would be recoverable and not pose significant danger in the event of a launch malfunction. There were other approaches under consideration as well. Definitely problems that can be conquered, but there is a lot of NIMBY to contend with. And you think there won't be a lot of NIMBY once people figure out that warehousing CO2 is going to take a huge amount of storage volume? Of course there will always be NIMBY, but I think that filling underground voids generated by mining would be a good place. Will those voids be sufficient, considering that what you're putting in them has had two atoms of oxygen added to each atom of carbon that was taken out? And will those voids be sufficiently secure to keep it segregated _forever_? If so then why not put nuclear waste there? -- If you're going to be dumb, you better be tough |
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O/T: Up Yours
On May 18, 1:56 am, "J. Clarke" wrote:
Han wrote: "J. Clarke" wrote in news:g0na0502lr3 @news2.newsguy.com: So what, we're going to warehouse an increasing volume of CO2 forever? Mother Gaia has done it, in clathrates, or whatever they call the complexes in the cold nether regions of the oceans. It can be done other ways as well. Yes clathrates. Methane forms them too. There are large deposits of methane clathrates on the ocean floor, metastable at their present temperature of pressures. But if they warm up just a little, they'll let lose. It might have happened in the past, google methane gun hypothesis. .. Of course there will always be NIMBY, but I think that filling underground voids generated by mining would be a good place. Will those voids be sufficient, considering that what you're putting in them has had two atoms of oxygen added to each atom of carbon that was taken out? And will those voids be sufficiently secure to keep it segregated _forever_? If so then why not put nuclear waste there? They're talking about pumping it into the voids under the North Sea left over from petroleum extraction. At those depths it will liquefy, or maybe form clathrates. Sounds nuts to me. -- FF |
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O/T: Up Yours
Garage_Woodworks wrote:
"Mark & Juanita" wrote in message ... Han wrote: "Garage_Woodworks" .@. wrote in : "Garage_Woodworks" .@. wrote in message ... CO2(g)------ CO2(aq) ---- H2CO3----- HCO3-1 ------ CO3-2. ---increasing pH------ The opposite is also true. As CO2(aq) goes to CO2(g) and leaves the ocean the equilibrium shifts to the left and the CO2(aq) concentration doesn't change. And the pH rises. ABOVE should have read equilibrium shifts to the right. pH rises (more basic) shifts to right. pH falls (more acidic) shifts to left. Yes. In principle this is a very simple set of equations. The difficulty is that oceans are not homogeneous, and we do not exactly know where in the oceans their is really a good totaal capacity to dissolve more gaseous CO2 (whether as truely dissolved gas or transformed into bicarbonate and carbonate). Also, it is not yet known whether ocean acidification will indeed kill off corals or not. Or whether more dissolved CO2 in whatever form will enhance coral growth. Very complicated indeed, mostly because ocean mixing is still hotly discussed science. What effects chanes in salinity will have is also important when more arctic and antarctic ice will melt, and mix into the oceans. Sanity check time. Find the volume of water contained in the world's oceans, take the absolute worst-case CO2 concentrations that are being bandied around. Determine the amount of CO2 required to have even a measureable effect upon that volume of water. You need to elaborate here. How would you determine what you are proposing? You can measure the drops in pH directly and make projections. See: http://royalsociety.org/document.asp?id=3249 http://www.science.org.au/nova/106/106key.htm It seems that there is a confusion of cause and effect here. The presumed cause in the articles you cite is human activity increasing the concentration of CO2 in the atmosphere. CO2 concentration is on the order of 300 ppm. My point was that in order to lower the pH of a volume of liquid, a specific volume of acidic substance must be added. Even the most hysterical of the GW believers don't place human impact at more than several ppm. If one were to compute the volume of water in the ocean, the question is how much volume of acidic substance must be added to that liquid volume in order to change the pH even 0.1? The ultimate point being that it is ludicrous to blame human activity on the ability to influence that large a volume of liquid and even more ludicrous to blame it on western (particularly US) society when areas such as India and China produce far larger volumes of sulfur dioxide and other pollutants that can contribute to acidification. Yet, all the GW believers seem to feel that if they can just choke the life out of US industry and citizens, the world will return to its previous balances. ....snip -- If you're going to be dumb, you better be tough |
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O/T: Up Yours
On May 18, 2:04 am, Mark & Juanita wrote:
Han wrote: (Doug Miller) wrote in : In article , Han wrote: The scientific principles behind CO2 causing our planet to heat up are very convincing. Not really: consider that ice core data shows that previous temperature increases *precede* increases in atmospheric CO2 levels. Kinda hard to show a cause-and-effect relationship when the supposed "cause" follows the "effect". That makes GW still more scary, IMO. The CO2 increase like now (industrial revolution) has never before occurred (unless there was indeed volcanic CO2 output). My word, haven't you seen figures for the amount of greenhouse gases spewed by Mt. St. Helens, Mt. Pinatubo, and now the volcano in Chile. Dwarf the amount of gases emitted since the beginning of the industrial revolution. Haven't you? http://volcano.und.edu/vwdocs/Gases/man.html "Present-day carbon dioxide (CO2) emissions from subaerial and submarine volcanoes are uncertain at the present time. Gerlach (1991) estimated a total global release of 3-4 x 10E12 mol/yr from volcanoes. T his is a conservative estimate. Man-made (anthropogenic) CO2 emissions overwhelm this estimate by at least 150 times." and, courtesy of the minions of the Bush administration who are routinely accused of 'suppressing' real science: http://www.osti.gov/energycitations/...sti_id=5271302 "Volcanic CO{sub 2} presently represents only 0.22% of anthropogenic emissions but may have contributed to significant greenhouse` effects at times in Earth history" And look at the Mauna Loa data: http://www.globalwarmingart.com/wiki...on_Dioxide_png You might be able to detect an effect from volcanic eruptions in there, but it is subtle at best. ... I hope I am just seeing the dark side of things and that it won't be as bad as the doomsayers suggest, but wouldn't you want to be on the safe side? If it means destroying our way of life and standard of living? No, for something as shaky and goofy as the idea that humans have the ability to change the temperature of the entire planet by only altering the CO2 concentration in the atmosphere by a few 1/10's to 1 ppm You would seem to be unclear on the concept of rate. The rate of increase is between 1 and two ppmv/year. -- FF |
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O/T: Up Yours
"J. Clarke" wrote: The fact that GE thinks they can make money selling the things doesn't make them any less a stopgap. Do you have any idea how ridiculous the above sounds? GE doesn't "think", they "know" there is money to be made long term, in the renewable energy business, which is why the major capitol investment is being made to develop products for it. Renewable energy products have an international market while major appliances (ovens, stoves, refrigerators, etc) are limited to the domestic market. Maybe that is why major appliances are for sale. Maybe they need the $'s to build more and bigger wind turbines. Lew |
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O/T: Up Yours
Garage_Woodworks wrote:
"J. Clarke" wrote in message ... Whereas the CO2 has to be kept warehoused _forever_ or else there's no point in warehousing it. Warehousing would suggest you're going to use it again, which does not seem logical if you couldn't possible get energy or other use out of it. I think it has to be put away permanently, really. Whatever word you use, it still has to be kept forever. Why? Can't we convert the CO2 into carbonate? I'm pretty sure we can. And where do we put it? Now you're increasing the volume even more. This whole notion of capturing the output of chemical power plants and warehousing it is IMO just, well, _nuts_. At least with nuclear the volume is manageable. -- -- --John to email, dial "usenet" and validate (was jclarke at eye bee em dot net) |
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O/T: Up Yours
On May 18, 2:08 am, Mark & Juanita wrote:
Han wrote: "Garage_Woodworks" .@. wrote in : "Garage_Woodworks" .@. wrote in message . .. CO2(g)------ CO2(aq) ---- H2CO3----- HCO3-1 ------ CO3-2. ---increasing pH------ The opposite is also true. As CO2(aq) goes to CO2(g) and leaves the ocean the equilibrium shifts to the left and the CO2(aq) concentration doesn't change. And the pH rises. ABOVE should have read equilibrium shifts to the right. pH rises (more basic) shifts to right. pH falls (more acidic) shifts to left. Yes. In principle this is a very simple set of equations. The difficulty is that oceans are not homogeneous, and we do not exactly know where in the oceans their is really a good totaal capacity to dissolve more gaseous CO2 (whether as truely dissolved gas or transformed into bicarbonate and carbonate). Also, it is not yet known whether ocean acidification will indeed kill off corals or not. Or whether more dissolved CO2 in whatever form will enhance coral growth. Very complicated indeed, mostly because ocean mixing is still hotly discussed science. What effects chanes in salinity will have is also important when more arctic and antarctic ice will melt, and mix into the oceans. Sanity check time. Find the volume of water contained in the world's oceans, take the absolute worst-case CO2 concentrations that are being bandied around. Determine the amount of CO2 required to have even a measureable effect upon that volume of water. Go ahead and show us. I'll check your arithmetic. These people have a done a little work in the area: http://www.pmel.noaa.gov/co2/OA/ http://www.pmel.noaa.gov/co2/OA/Ocea...on%20FINAL.pdf http://www.ipsl.jussieu.fr/~jomce/ac...ature04095.pdf -- FF |
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O/T: Up Yours
Garage_Woodworks wrote:
"Mark & Juanita" wrote in message m... Garage_Woodworks wrote: ....snip It seems that there is a confusion of cause and effect here. The presumed cause in the articles you cite is human activity increasing the concentration of CO2 in the atmosphere. CO2 concentration is on the order of 300 ppm. My point was that in order to lower the pH of a volume of liquid, a specific volume of acidic substance must be added. Even the most hysterical of the GW believers don't place human impact at more than several ppm. If one were to compute the volume of water in the ocean, the question is how much volume of acidic substance must be added to that liquid volume in order to change the pH even 0.1? How do you determine this? Define your experiment for me. I think you will begin to see the complexity. The ocean is not just water. There's lots of stuff in it. Why do I have to define the experiment? I'm not trying to prove that humans are changing the ocean pH. I'm merely pointing out that there is a heck of a lot of volume of water, that were everything else to remain constant would require huge volumes to change the pH. -- If you're going to be dumb, you better be tough |
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O/T: Up Yours
How about if you guys who start political threads make that
the standard subject line? -- FF |
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O/T: Up Yours
Garage_Woodworks wrote:
"J. Clarke" wrote in message ... Garage_Woodworks wrote: "J. Clarke" wrote in message ... Whereas the CO2 has to be kept warehoused _forever_ or else there's no point in warehousing it. What about converting the CO2 to carbonate? I think this is how some scrubbers operate. The product of which (Na2CO3, K2CO3, CaCO3) could be sold to off set the cost of scrubbing. The product carbonates also take up less volume to store. And how much market is there for them? Not sure. But, there is a need for them, so the market must be there. The goal is not really to market the product, but to produce the product and reduce the raw material. But if there's no market you still end up storing it. -- -- --John to email, dial "usenet" and validate (was jclarke at eye bee em dot net) |
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O/T: Up Yours
"Fred the Red Shirt" wrote: How about if you guys who start political threads make that the standard subject line? Since starting this thread, have enjoyed the twists and turns it has taken. All that heat and no useful work. Doesn't take much to be a real **** disturber around hereG. Lew |
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O/T: Up Yours
Garage_Woodworks wrote:
"Mark & Juanita" wrote in message m... Garage_Woodworks wrote: "Mark & Juanita" wrote in message m... Garage_Woodworks wrote: ...snip It seems that there is a confusion of cause and effect here. The presumed cause in the articles you cite is human activity increasing the concentration of CO2 in the atmosphere. CO2 concentration is on the order of 300 ppm. My point was that in order to lower the pH of a volume of liquid, a specific volume of acidic substance must be added. Even the most hysterical of the GW believers don't place human impact at more than several ppm. If one were to compute the volume of water in the ocean, the question is how much volume of acidic substance must be added to that liquid volume in order to change the pH even 0.1? How do you determine this? Define your experiment for me. I think you will begin to see the complexity. The ocean is not just water. There's lots of stuff in it. Why do I have to define the experiment? Because you proposed determining "how much volume of acidic substance must be added to that liquid volume in order to change the pH even 0.1" This type of experiment can't be done in a jar. Which is why I was interested in how you would go about computing "the volume of acidic substance" needed. The oceans contain a specific volume of water, that volume of water possesses a certain pH level. Holding all other things constant (as the GW adherents appear to be doing), then it will take a certain volume of acidic substance to lower the pH of that volume of ocean water. I'm not trying to prove that humans are changing the ocean pH. I'm merely pointing out that there is a heck of a lot of volume of water, that were everything else to remain constant would require huge volumes to change the pH. Well guess what? The pH is changing. So what was the point to your "sanity check"? The point of my sanity check was to establish cause. The data says pH is changing, that is the data, and if true, is a fact. The GW zealots scream that it is man-made increases in CO2 that is causing this change. That is speculation, theory, and conjecture. My challenge to the luddites (who are ultimately trying to reduce human industrial activity) is how much CO2 would have to be produced by humans to be able to produce sufficient acidic substances to make a measureable change in ocean pH? That provides a sanity check vis a vis whether it is even possible for humans to have any impact upon ocean pH. Shoot, I could posit the theory that Madonna peeing the shower is responsible for the change in ocean pH -- wouldn't make it so, but if I screamed loud enough and had a fax machine with an impressive letterhead I could probably get Reuters or AP to pick up on it. -- If you're going to be dumb, you better be tough |
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O/T: Up Yours
Garage_Woodworks wrote:
"J. Clarke" wrote in message ... Garage_Woodworks wrote: "J. Clarke" wrote in message ... Whereas the CO2 has to be kept warehoused _forever_ or else there's no point in warehousing it. What about converting the CO2 to carbonate? I think this is how some scrubbers operate. The product of which (Na2CO3, K2CO3, CaCO3) could be sold to off set the cost of scrubbing. The product carbonates also take up less volume to store. And how much market is there for them? I dug up a reference for ya. This guy is using NaOH as the base so he ends up with NaHCO3 (baking soda). Is there a market for super pure baking soda?? Chem: CO2+H2O ---- H2CO3 H2CO3 + NaOH ----- NaHCO3 + H2O Not carbonate in this reference, but bicarbonate. I suppose if you adjust the amount of NaOH and monitor the pH you could also make Na2CO3 with his process. http://www.news.com/Can-baking-soda-...3-6220127.html Now, find out what the major use of baking soda is. I believe that you will find that it is, well, _baking_. Then look at what baking soda does when baking. It reacts with acidic components of the recipe to release CO2. So the CO2 is not locked away where it doesn't contribute to greenhouse emissions, it's just released a little later. Of course you could make baking soda and store it in a warehouse somewhere forever and ever and ever and ever and ever and pray that the warehouse doesn't burn down, because when you get the stuff hot, what does it do? It breaks down and releases CO2. -- -- --John to email, dial "usenet" and validate (was jclarke at eye bee em dot net) |
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O/T: Up Yours
Lew Hodgett wrote:
"J. Clarke" wrote: The fact that GE thinks they can make money selling the things doesn't make them any less a stopgap. Do you have any idea how ridiculous the above sounds? GE doesn't "think", they "know" there is money to be made long term, in the renewable energy business, which is why the major capitol investment is being made to develop products for it. Renewable energy products have an international market while major appliances (ovens, stoves, refrigerators, etc) are limited to the domestic market. Maybe that is why major appliances are for sale. Maybe they need the $'s to build more and bigger wind turbines. Your quibbling over "think" vs "know" instead of addressing the point being made tells me that you don't really have a viable counterargument. As for ovens, stoves, refrigerators, etc being limited to the domestic market, are you saying that Americans are the only people who cook food and store it in refrigerators? If so, you really need to talk to your doctor about your medication. -- -- --John to email, dial "usenet" and validate (was jclarke at eye bee em dot net) |
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O/T: Up Yours
Garage_Woodworks wrote:
Why? Can't we convert the CO2 into carbonate? I'm pretty sure we can. And where do we put it? Now you're increasing the volume even more. Really? CO2(aq) +H2O ----- H2CO3 (1 mole of co2 makes 1 mole of carbonic acid) H2CO3 + NaOH ----- NaHCO3 + H2O (1 mole of carbonic acid reacts with 1 mole of sodium hydroxide and yields 1 mole of sodium carbonate) NaHCO3 + NaOH ----- Na2CO3 + H2O (1 mole of sodium hydroxide reacts with 1 mole of NaOH and yields 1 mole of sodium carbonate) A mole of Na2CO3(s) takes up more volume than a mole of CO2(g) ?? Show me the math here. What'd the density of dry ice? How about of Na2CO3? -- -- --John to email, dial "usenet" and validate (was jclarke at eye bee em dot net) |
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O/T: Up Yours
Garage_Woodworks wrote:
"J. Clarke" wrote in message ... Garage_Woodworks wrote: "J. Clarke" wrote in message ... Garage_Woodworks wrote: "J. Clarke" wrote in message ... Whereas the CO2 has to be kept warehoused _forever_ or else there's no point in warehousing it. What about converting the CO2 to carbonate? I think this is how some scrubbers operate. The product of which (Na2CO3, K2CO3, CaCO3) could be sold to off set the cost of scrubbing. The product carbonates also take up less volume to store. And how much market is there for them? Not sure. But, there is a need for them, so the market must be there. The goal is not really to market the product, but to produce the product and reduce the raw material. But if there's no market you still end up storing it. You could give it away free. People use carbonate compounds in industry. They would gladly take it away for you. And what would they do with it? Remember, you can't allow any uses that result in it releasing CO2--if you do then you may as well not have wasted your time making it in the first place. That means no baking with sodium bicarbonate, no making cement out of calcium carbonate, etc. -- -- --John to email, dial "usenet" and validate (was jclarke at eye bee em dot net) |
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O/T: Up Yours
On Sat, 17 May 2008 20:22:54 -0700 (PDT), Fred the Red Shirt
wrote: How about if you guys who start political threads make that the standard subject line? A thread title of " O/T: Up Yours" isn't enough of a hint that you might want to skip it? G --------------------------------------------- ** http://www.bburke.com/woodworking.html ** --------------------------------------------- |
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O/T: Up Yours
Mark & Juanita wrote in
: Hopefully it will all only happen in a disastrous way after my adult teeth have stopped hurting me ... Which brings up the question whether cremation or burial is the "greener" way to go ... Good heavens, I hope that was sarcasm. If not, I fear we are wasting our time here. Sarcasm is a good guess! -- Best regards Han email address is invalid |
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