Automatic control method for treatment of waste water containing humic acid
专利汇可以提供Automatic control method for treatment of waste water containing humic acid专利检索，专利查询，专利分析的服务。并且PURPOSE: To treat stably and continuously waste water contg. humic acid by measuring respectively automatically the absorbancies of said waste water at two specific wavelengths with lapse of time and controlling automatically the treatment conditions according to the difference of the respective logarithms of the absorbancies.
CONSTITUTION: Part of the inflow waste water contg. humic acid is introduced into a two wavelength spectrophotometer 1, by which the absorbancies K400, K600 at two wavelengths 400nm and 600nm are automatically measured with lapse of time roughly and simultaneously. The difference ΔlogK of the logarithms between the absorbancies K400 and K600 is calculated in an arithmetic device 2 and the amt. of the chemical to be added is determined on the spot from the specified relation between ΔlogK and the required amts. of the chemicals to be added stored beforehand in a storage device 3. A control device 4 for the amt. of the chemicals operates according to said value and adds the required amts. of the chemicals automatically from chemical tanks 5, 6 to a reactor 7. The waste water treated in the reactor 7 is settled and separated of suspended matter formed thereon in a settling tank 8, and is then discharged as the treated water having specified water quality.
COPYRIGHT: (C)1984,JPO&Japio，下面是Automatic control method for treatment of waste water containing humic acid专利的具体信息内容。
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