Comment 63459

By Undustrial (registered) - website | Posted May 12, 2011 at 21:13:10 in reply to Comment 63438

This isn't a mineralization issue - it's a nitrogen issue. Nitrogen is the single most important plant nutrient, and is essential for carbon breakdown. The main alternative source is natural gas-based production of fertilizers like ammonium nitrate.

High sodium contents don't really compare with heavy metals in terms of toxicity. Something which our sewage lacks when we flush, but magically acquires before getting to the current biosolids treatment regimen.

Every time you see that beautiful shimmery rainbow on water going down a sewer drain, that's entering the flow and becoming a part of the sewage. Add that up over a whole city, and you'll have a result no single system can treat adequately.

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