专利汇可以提供Waste water treating process专利检索,专利查询,专利分析的服务。并且This invention is a waste water treatment process wherein while an iron contactor or contactors are immersed in a treatment tank, into which waste water flows, particularly sulfate reducing bacteria are made to coexist with activated sludge or biofilters, a velocity of flow of agitating stream on the outer surfaces of said iron contactor or contactors is set at 10 to 20 cm/sec, under an aerobic treatment, iron ions are made to elute from said iron contactor or contactors by utilizing electrochemical iron corrosion through the agency of oxygen concentration cells on the outer surfaces of said iron contactor or contactors on conditions that dissolved oxygen concentration in the treatment tank is 1 to 3.2 mg/l and the oxidation-reduction potential is -200 to -400 millivolts (mV), and, under an anaerobic treatment, iron ions are made to elute by utilizing microorganism-corrosion on the outer surfaces of said iron contactor or contactors on condition that dissolved oxygen concentration in the treatment tank is 0 mg/l, whereby, under the aerobic or anaerobic conditions, the iron ions eluting from the outer surfaces of said iron contactor or contactors are combined with ions of phosphoric acid in the waste water to thereby remove phosphorus in the waste water as insoluble salt of iron phosphate.,下面是Waste water treating process专利的具体信息内容。
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