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Electroplating wastewater decolorizing agent formula

A technology for electroplating wastewater and decolorizing agent, which is applied in the fields of metallurgical wastewater treatment, water/sewage treatment, chemical instruments and methods, etc., can solve the problems of easy yellowing of the waste liquid and poor broad spectrum, and achieve the effect of avoiding the yellowing of the waste liquid.

Inactive Publication Date: 2018-11-16
如皋宏皓金属表面水处理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a decolorizing agent formula for electroplating wastewater, which can solve the general problems of poor broad spectrum and easy yellowing of waste liquid after decolorization

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] A kind of electroplating wastewater decolorizing agent formula, it comprises following material composition by weight: 75 parts of wood vinegar, 25 parts of sodium tripolyphosphate, 15 parts of furfuryl alcohol, 75 parts of aluminum chloride, 25 parts of magnesia, surfactant accounts for 3 parts Parts, 7 parts of zinc oxide, 10 parts of sodium carbonate.

Embodiment 2

[0011] A kind of electroplating wastewater decolorizing agent formula, it comprises following material composition by weight: 85 parts of wood vinegar, 35 parts of sodium tripolyphosphate, 25 parts of furfuryl alcohol, 85 parts of aluminum chloride, 35 parts of magnesia, surfactant accounts for 20 parts Parts, 11 parts of zinc oxide, 15 parts of sodium carbonate.

Embodiment 3

[0013] A kind of electroplating wastewater decolorizing agent formula, it comprises following material composition by weight: 95 parts of wood vinegar, 45 parts of sodium tripolyphosphate, 35 parts of furfuryl alcohol, 95 parts of aluminum chloride, 45 parts of magnesia, surfactant accounts for 38 parts Parts, 15 parts of zinc oxide, 20 parts of sodium carbonate.

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PUM

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Abstract

The invention relates to an electroplating wastewater decolorizing agent formula, which is characterized in that the electroplating wastewater decolorizing agent formula comprises the following material components in parts by weight: 75 to 95 parts of wood vinegar, 25 to 45 parts of sodium tripolyphosphate, 15 to 35 parts of furfuryl alcohol, 75 to 95 parts of aluminium chloride, 25 to 45 parts ofmagnesium oxide, 3 to 38 parts of surfactant, 7 to 15 parts of zinc oxide and 10 to 20 parts of sodium carbonate. The decolorizing agent adopted in the invention has a broad spectrum, and treated effluent can be prevented from being yellowed.

Description

technical field [0001] The invention relates to the field of electroplating wastewater treatment, in particular to a formula of a decolorizing agent for electroplating wastewater. Background technique [0002] Existing wastewater coagulation decolorizers can be generally divided into two categories: inorganic and organic. Organic decolorizers are highly specific and costly, and poor control of dosage will lead to an increase in effluent COD; Inorganic coagulation and decolorization agents are the development direction of coagulation and decolorization agents. At present, the inorganic series of coagulation and decolorization agents mainly include: PAC, PFS, PFC, ferrous sulfate, polyferric aluminum, polyaluminum silicate, etc. Among the series of inorganic coagulation decolorizers, the most effective and cheapest is ferrous sulfate, but it still has the disadvantages of alkali consumption, large mud production, and easy yellowing of effluent. In addition, there are also meta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/52C02F1/54C02F103/16
CPCC02F1/5236C02F1/54C02F1/542C02F2103/16
Inventor 赵力锋
Owner 如皋宏皓金属表面水处理有限公司