Larry wrote in news:Xns9843578EFEF11noonehomecom@
208.49.80.253:

Uhmmm...if you use the carbon before the still, they are not there to
carryover are they? With the added benefit of chlorine removal, which
is plus for life of stainless steel (assuming you're not trying to
distill seawater, that is).


Argonne National Laboratory has solved the RO filter problem! They distill
the RO output....(c;

http://www.newton.dep.anl.gov/askasc.../chem00223.htm

"The industrial R.O. system I monitored at my last position
produced water that conformed to USP specifications, but we also distilled
the R.O. water for lab work. Some analyses require freshly distilled water
(hasn't drawn carbon dioxide from the air)."

--
There's amazing intelligence in the Universe.
You can tell because none of them ever called Earth.