cooling towers and zeolite?

[WDH1%OPS%DCPP@go50.comp.pge.com]

From: Kurt Rathmann <rath9362@uidaho.edu>

>Check out Pliny Fisk III's Blueprint Demonstration Farm at Laredo, Texas.
>The straw bale sheds use updraft and downdraft towers that utilize zeolite
>(a natural mineral-based refrigerant - maybe someone from Texas knows more
>about this - Bill?) and solar chimney.  As I recall the towers are located
>in separate but adjacent sb buildings.  Don't know how well it works - or
>whether it was even implemented...

I thought zeolite is the same thing as cat litter, clay with ionic exchange 
properties. Holds water...? But a refrigerant, tell me more please

Wes 
wdh1@pge.com