期刊
WATER SCIENCE AND TECHNOLOGY
卷 57, 期 8, 页码 1207-1212出版社
I W A PUBLISHING
DOI: 10.2166/wst.2008.101
关键词
anaerobic digestion; black water; energy and nutrient recovery; grey water; sanitation; source-separated waste(water) streams
Based on results of pilot scale research with source-separated black water (BW) and grey water (GW), a new sanitation concept is proposed. BW and GW are both treated in a UASB (-septic tank) for recovery of CH4 gas. Kitchen waste is added to the anaerobic BW treatment for doubling the biogas production. Post-treatment of the effluent is providing recovery of phosphorus and removal of remaining COD and nitrogen. The total energy saving of the new sanitation concept amounts to 200 MJ/year in comparison with conventional sanitation, moreover 0.14 kg P/p/year and 90 litres of potential reusable water are produced.
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