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Discussions about design, construction, use and implementation of dry composting toilets. Dry composting toilets separate urine and feces and use both as fertilizer. Feces are composted for at least 9 months killing all pathogens. Dry composting toilets prevent contamination of ground water, save water, reduce waste and produce useful fertilizers.
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1 | 2 | By geoffrey 5 years 11 months ago |
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Discussions about the production and use of rice husk ash cement, a pozzolana that can be combined with lime or ordinary portland cement to form a cementitious binder.
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5 | 18 | By Dan 6 years 1 month ago |
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5 | 10 | By geoffrey 12 years 10 months ago |
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28 | 76 | By geoffrey 4 years 10 months ago |
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17 | 42 | By geoffrey 5 years 11 months ago |
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1 | 1 | By Pilgrim (not verified) 14 years 1 month ago |
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General Discussions
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2 | 4 | By geoffrey 6 years 1 month ago |