Nicholas Thompson wrote:
> It has always seemed to me that the fundamental problem of water reuse is
> not bacteria but heavy meals [..] 
Here's one company that sells equipment to do it (e.g. for the 
semiconductor industry)

http://www.mancorp.com/heavy_metal_systems.html

Gus Koehler wrote:
> Also human hormones of various kinds and pharmaceuticals.   
I think the reverse osmosis addresses this.

Marcus

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