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Flotation agent for flotation recovery treatment of cathode carbon block

A technology for recycling and processing cathode carbon blocks, applied in flotation, solid separation and other directions, can solve the problem that the flotation effect needs to be improved, and achieve the effect of improving the flotation effect

Inactive Publication Date: 2019-03-29
湖南涌鑫源环保有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The flotation agent used is generally diesel oil, turpentine, sodium silicate, etc. The flotation agent needs to assist magnetic separation, and the flotation effect needs to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] The flotation agent for the cathode carbon block flotation recovery treatment of the present embodiment is prepared from the following raw materials: water, kerosene, 2# medicament, water glass, and water: kerosene: 2# medicament: water glass=3:1: 2:1.

[0013] The above-mentioned medicament 2# is made by mixing the following raw materials in weight percentage: 50% of dichloromethane, 30% of abietyl alcohol, 12% of sodium lignosulfonate, and 8% of graphene.

Embodiment 2

[0015] The flotation agent for the cathode carbon block flotation recovery treatment of the present embodiment is prepared from the following raw materials: water, kerosene, 2# medicament, water glass, and water: kerosene: 2# medicament: water glass=3:1: twenty two.

[0016] The above-mentioned medicament 2# is made by mixing the following raw materials in weight percentage: 40% of dichloromethane, 40% of abietyl alcohol, 15% of sodium lignosulfonate, and 5% of graphene.

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PUM

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Abstract

The invention discloses a flotation agent for flotation recovery treatment of a cathode carbon block. The flotation agent is prepared from the following raw materials: water, kerosene, a chemical agent No. 2 and water glass. The flotation agent provided by the invention uses the kerosene as a catching agent, the water glass as an inhibitor, the chemical agent No. 2 as an activator complexing agent, etc., and is easily dispersed in a water phase, increases the purity of carbon obtained by flotation to 96.8% or more, and improves the effect of flotation.

Description

technical field [0001] The invention relates to a flotation agent for cathode carbon block flotation recovery treatment, which belongs to the technical field of waste cathode carbon block recovery. Background technique [0002] In the production process of electrolytic aluminum, the electrolytic cell is replaced or repaired every 3-6 years. The replacement or repair of the electrolytic cell produces a large amount of solid waste. Whether the waste is stacked or landfilled, it will pollute the ambient air, water and soil. , but also cause a waste of resources. According to statistics, in the production process of electrolytic aluminum, for every 10,000 tons of aluminum produced, about 100 tons of waste cathode carbon blocks are produced in the solid waste generated by electrolytic cell replacement or maintenance. More than 25 tons. [0003] According to the "Identification of Hazardous Waste Identification Standard Leaching Toxicity" (GB 5085.3-2007), the main components of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03D1/006B03D1/002B03D1/018B03D101/02B03D101/06
CPCB03D1/002B03D1/006B03D1/018B03D2201/02B03D2201/06
Inventor 张卫
Owner 湖南涌鑫源环保有限公司