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Ash depth filter sanitation eliminates all bacteria and makes source-separated urine waste sterile
Journal of Water, Sanitation & Hygiene for Development ( IF 1.6 ) Pub Date : 2020-09-01 , DOI: 10.2166/washdev.2020.125
Michael Witty 1 , Sarah Copley 1 , Nin N. Dingra 1 , Raja Al-Bahou 1 , Theppawut Israsena Na Ayudhya 1
Affiliation  

Remote houses cannot use sewerage systems and so they must make their own arrangements for waste disposal. A solution is the use of ash depth filters which simultaneously trap nitrogen and phosphorus from human waste streams and all bacteria during long periods (750 ml per day for more than 6 weeks) of operation by filtration under gravity. Bacteria entering the filtration system, those trapped by the filter and the living material which eventually emerges if the system is operated till it eventually fails, are characterized. Reduction of bacterial numbers is achieved by two mechanisms: physical filtration and chemical sanitation.



中文翻译:

灰深过滤器卫生消除了所有细菌,并使分离出的尿液废物变得无菌

偏远的房屋不能使用污水处理系统,因此必须自行安排废物处理。一种解决方案是使用灰分深度过滤器,该过滤器可在重力作用下长时间运行(每天750毫升,持续6周以上)时同时捕获人类废物流和所有细菌中的氮和磷。进入过滤系统的细菌,被过滤器截留的细菌以及如果该系统运行直至最终失效,最终会出现的生物材料的特征。减少细菌数量可通过两种机制实现:物理过滤和化学卫生。

更新日期:2020-09-28
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