Chemical, biotechnology and biological approaches to processing excreta and sludge to render it harmless (for pathogen removal and physico-chemical improvements).
Topic started 09 Jan 2015 16:45, by F H Mughal
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Topic started 27 Sep 2013 01:56, by browe
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Topic started 30 Nov 2011 15:11, by garyfoutchosu
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Topic started 22 Jul 2013 18:57, by kathyjooss
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Topic started 05 Mar 2013 21:36, by steve4real
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