Decoloring method of miscellaneous building waste water containing night soil
专利汇可以提供Decoloring method of miscellaneous building waste water containing night soil专利检索，专利查询，专利分析的服务。并且PURPOSE: To decompose org. pollutant with high treating efficiency by storing building waste water contg. night soil in a raw water tank while stirring said water with a specific amt. ofair, taking out continuously a part thereof and admitting the water into an aeration tank in which dye decomposable bacteria are propagated.
CONSTITUTION: The solid matter in the building waste water contg. night soil introduced into a raw water receiving tank 1 settles and the supernatant liquid is introduced into a raw water tank 2. The waste water in the tank 2 is partly and continuously fed to an aeration tank 3 where the org. pollutant is decomposed by a biological treatment and the chromaticity component is decomposed by dye decomposable bacteria. The pH of the liquid mixture is required to be maintained at ≤4.5 in order to obtain the substantial effect of removng the chromaticity of the liquid mixture in the tank 3. The waste water is then fed to a solid-liquid sepn. tank 4 or ultrafilter tank 5 where the waste water is separated to sludge and treated water. A part of the sludge is again returned to the tank 3 and the remaining part is discarded as excess sludge to the outside of the system.
COPYRIGHT: (C)1985,JPO&Japio，下面是Decoloring method of miscellaneous building waste water containing night soil专利的具体信息内容。
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