Removal of noxious heavy metal contained in filthy water, sludge, industrial waste water of waste water
专利汇可以提供Removal of noxious heavy metal contained in filthy water, sludge, industrial waste water of waste water专利检索，专利查询，专利分析的服务。并且PURPOSE: To efficiently remove heavy metals, e.g. zinc, mercury, lead and cadmium, contained in filthy water, industrial waste water or the like, while lowering the pH of the liquid, by adding the mixture of allophane extracted from eruptions or the like and humic acid to said liquid.
CONSTITUTION: By adding the mixture of allophane extracted from eruptions or the like and humic acid to rivers, lakes, swamps, the ocean, industrial waste water, underground water, etc., a pH value is reduced in a few minutes to coagulate and precipitate noxious heavy metals such as zinc, mercury, lead, cadmium, copper, etc. Thus, the amounts of said heavy metals are reduced below a standard value for drainage. At the same time, organic substance such as COD components can be reduced, and deodorization and decolorization can be effectively performed. For instance by charging 0.5g the mixture of allophane from eruptions or the like and humic acid to 1,000ml filthy water in rivers and shaking the water 5W10 times for 1min, phosphoric acid, COD components, T-N, turbidity, colon bacilli, etc. are reduced.
COPYRIGHT: (C)1983,JPO&Japio，下面是Removal of noxious heavy metal contained in filthy water, sludge, industrial waste water of waste water专利的具体信息内容。
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