Treatment method of nickel-cobalt-manganese wastewater produced in the process of waste battery treatment

A treatment process and waste battery technology, applied in chemical instruments and methods, neutralized water/sewage treatment, water/sewage multi-stage treatment, etc., can solve problems such as waste of water resources, easy blockage of membrane pores, secondary pollution, etc. Achieve the effects of high metal recovery rate, reasonable process flow and good working environment
CN101628761BActive Publication Date: 2011-12-07HUNAN BRUNP RECYCLING TECH
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
HUNAN BRUNP RECYCLING TECH
Publication Date
2011-12-07

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Abstract

The invention discloses a method for treating nickel-cobalt-manganese wastewater produced in the process of treating waste batteries. The wastewater mainly contains metal ions such as nickel, cobalt, manganese and copper and a small amount of water-insoluble organic matter. The main feature of the present invention is that the waste water is subjected to step-by-step coagulation-sedimentation treatment, followed by sand filtration-carbon filtration-ion exchange deep purification treatment, and the effluent quality can reach the first-level standard in the national sewage comprehensive discharge standard, and also meets the industrial production water If required, it can be returned to production for recycling. The invention is beneficial to the reuse of nickel-cobalt-manganese wastewater, and has the characteristics of low cost, high metal recovery rate, large processing capacity, reasonable process flow, simple operation, stable operation, and easy industrial implementation. An effective way of cobalt manganese wastewater.
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Description

technical field

[0001] The invention belongs to the field of hydrometallurgy, and relates to a method for treating nickel-cobalt-manganese wastewater generated during the treatment of waste batteries. Background technique

[0002] In recent years, with the rapid increase in the consumption of lithium-ion batteries and nickel-hydrogen batteries, the number of scrapped lithium-ion batteries and nickel-hydrogen batteries has increased significantly year by year. These waste batteries contain a lot of valuable metals, such as nickel, cobalt, copper, aluminum, iron, lithium, etc., so recycling waste batteries can not only generate huge economic benefits, but also reduce harmful substances in batteries, such as lithium hexafluorophosphate, which are harmful to the environment It can alleviate the shortage of metal cobalt, a strategic resource in my country, and the tension of long-term dependence on imports, promote the sustainable development of my country's battery industry, and ...

Claims

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