Treatment with activated sludge
专利汇可以提供Treatment with activated sludge专利检索，专利查询，专利分析的服务。并且PURPOSE: To improve the efficiency of oxygen dissolution into water to be treated by adopting specific values of the depth and circulating speed of the water to be treated in the stage of aerating the water dispersed therein with activated sludge from the bottom while circulating said water in a circulation route.
CONSTITUTION: The pollutant contained in the water to be treated is biologically decomposed and removed by aerating the water dispersed therein with the activated sludge while circulating said water in the circulation route 3. The depth of the water to be treated is specified to ≥1m and the circulating speed thereof to ≥0.1m/sec. As a result, the contact efficiency of the water to be treated and oxygen is improved and the efficiency of the oxygen dissolution into the water to be treated is improved. The oxygen consuming power of the activated sludge is thus increased by supplying the substantial oxygen to the activated sludge and since the treating capacity per unit volume of the treatment tank increases, the increase in the scale of the installation is averted and the running cost is reduced.
COPYRIGHT: (C)1987,JPO&Japio，下面是Treatment with activated sludge专利的具体信息内容。
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