Composite beneficiation inhibitor used for copper-arsenic separating flotation

An arsenic separation and inhibitor technology, applied in flotation, solid separation and other directions, can solve the problems of corroding equipment, polluting the environment, affecting the quality of copper smelting products, etc., and achieving the effects of low cost, good separation effect and easy-to-obtain components

Inactive Publication Date: 2016-08-31
厦门紫金矿冶技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The formation conditions of these copper sulfide minerals are similar, and some physical and chemical properties are also similar. Therefore, when mercapto collectors are used for flotation of copper sulfide minerals, arsenic-containing copper minerals such as arsenic copper ore and arsenic tetrahedrite are often mixed. In the concentrate, the arsenic content in the copper concentrate exceeds the standard, which seriously affects the quality of copper smelting products
And in the smelting process, part of the arsenic will be converted into arsenic trioxide, arsenic hydrogen, arsenite and organic arsenic compounds, etc., which will corrode equipment and pollute the environment

Method used

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  • Composite beneficiation inhibitor used for copper-arsenic separating flotation

Examples

Experimental program
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Effect test

Embodiment 1

[0036] Such as figure 1 As shown, weigh 1Kg of crushed raw ore (containing 0.62% copper, 0.032% arsenic) and put it into a ball mill for grinding until the grinding fineness is -0.074mm, accounting for 65%. The grinding medium is clear water. The ore concentration is 50%. Put the ground pulp into the 3L flotation tank, calculate according to the dry weight of each ton of raw ore, add lime a'1800g / t, lipid collector b'10g / t in sequence, and carry out the first copper Rough selection; then sequentially add butyl ammonium black drug e'10g / t, terpineol oil f'5g / t, stir and adjust the slurry, then carry out the second copper rough selection; then add butyl ammonium black drug e'5g / t in sequence , terpineol oil f'5g / t, after stirring and pulping, carry out the third copper roughing. Add sodium sulfide c'200g / t and compound beneficiation inhibitor d'200g / t to the copper concentrate obtained in the first copper roughing operation in sequence, and then carry out separation and flotat...

Embodiment 2

[0042] Such as figure 2 As shown, weigh 1Kg of crushed raw ore (containing 0.34% copper, 0.019% arsenic) and put it into a ball mill for grinding until the grinding fineness is -0.074mm, accounting for 65%. The grinding medium is clear water. The ore concentration is 50%. Put the ground pulp into the 3L flotation tank, calculate according to the dry weight of each ton of raw ore, add lime a'1800g / t, lipid collector b'10g / t in sequence, and carry out the first copper Rough selection; then sequentially add butyl ammonium black drug e'10g / t, terpineol oil f'5g / t, stir and adjust the slurry, then carry out the second copper rough selection; then add butyl ammonium black drug e'5g / t in sequence , terpineol oil f'5g / t, after stirring and pulping, carry out the third copper roughing. Add ammonium butyl ammonium black drug e'5g / t, stir and slurry for the first copper sweep; then add ammonium butyl ammonium black drug e'5g / t, stir and slurry for the second copper scavenging; finally...

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Abstract

The invention discloses a composite beneficiation inhibitor used for copper-arsenic separating flotation. A hydrophilic oxide film can be formed on the surface of a mineral containing arsenic and copper to selectively separate a mineral which does not contain the arsenic and the copper from the mineral containing the arsenic and the copper. The composite beneficiation inhibitor is composed of, by weight, 75-95 parts of calcium hypochlorite, 8-25 parts of sodium humate and 8-17 parts of sodium hexametaphosphate. The composite beneficiation inhibitor is prepared sequentially through the steps of mixing, grinding and remixing.

Description

technical field [0001] The invention specifically relates to a composite mineral processing inhibitor used for separation and flotation of copper and arsenic. Background technique [0002] Copper is one of the non-ferrous metals closely related to human beings, and is widely used in electrical, light industry, machinery manufacturing, construction industry, national defense industry and other fields. Copper is mainly obtained from copper minerals through separation, purification, smelting and other processes. Copper sulfide minerals mainly include chalcopyrite, bornite, blue chalcocite, chalcocite, copper blue, chalcocite, arsenite and so on. The formation conditions of these copper sulfide minerals are similar, and some physical and chemical properties are also similar. Therefore, when mercapto collectors are used for flotation of copper sulfide minerals, arsenic-containing copper minerals such as arsenic copper ore and arsenic tetrahedrite are often mixed. In the concent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03D1/018B03D101/06
CPCB03D1/018B03D2201/06B03D2203/02
Inventor 陈水波庄荣传范道焱赖伟强叶志勇郭金溢
Owner 厦门紫金矿冶技术有限公司
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