On Sun, 09 Jul 2017 14:56:01 -0400, wrote:

Can I install a dishwasher in a kitchen where I do NOT have a garbage
disposal, to connect the waste hose ??


Yes. With or without a sink mounted air gap.

Is a disposal "required" for pproper dishwaher performance?

No. If done, a new disposal has to have a plastic plug knocked out
before connecting the dishwasher.

Sample of single sink without a sink mounted air gap.

http://www.fixya.com/uploads/Images/1144177.jpg