the system was fed with concentrated domestic sewage, mainly black water from about 40 toilets flushed with only 4 litre of water and a limited amount of grey water. the system showed high removal efficiency for the different cod fractions. mean removal efficiencies in the two-step ah-septic ...
There is a risk that micro-organisms in the water will be increased in the form of aerosols that are generated when the toilets are flushed (Feachem et al., 1983, Christova-Boal et al., 1996, Albrechtsen, 1998). Both inhaling and hand to mouth contact can be dangerous (Ince et al.,...