Beneficiation method for complex and difficult-to-treat copper-sulfur sulfide ore

A technology of sulfur sulfide ore and beneficiation method, which is applied in flotation, solid separation and other directions, can solve the problems of low recovery rate of associated precious metals, difficult treatment of beneficiation wastewater, and difficult recovery of pyrite, so as to reduce electrochemical corrosion and reduce Activation, easily degradable effect

Active Publication Date: 2021-07-06
JIANGXI UNIV OF SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The problems existing in the prior art are: (1) the addition of a large amount of lime in the slurry will cause the low rate of recovery of associated precious metals;
[0005] (2) It will cause pyrite ore to be difficult to recover, and pipeline fouling and blockage
[0006] (3) Causes mineral processing wastewater to be difficult to deal with and affects the environment and other issues

Method used

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  • Beneficiation method for complex and difficult-to-treat copper-sulfur sulfide ore
  • Beneficiation method for complex and difficult-to-treat copper-sulfur sulfide ore
  • Beneficiation method for complex and difficult-to-treat copper-sulfur sulfide ore

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Effect test

Embodiment 1

[0041]A copper ore original mineral cu 0.50%, sulfur is 3.37%, copper, sulfur is the main price, and the copper-containing mineral contained in the ore is mainly brass mine, sulfur-containing mineral is Huangding and magnetic 黄; The ore grinding to -0.074mm accounts for 68%, and the combination of tannic acid and 1,2-benzene phenol is added to the abrasive slurry. 60 g / t, O-isopropyl-N-ethyl sulfur The combined collectors of amtrine and mercaptocetate and mercaptobenzothiazole are 40 g / t, 2 oils 28g / t, and after generous copper sulfide coarse selection, obtaining sulfide coarse selection and roughing; The first selection of 100 g / t lime was added to the copper sulfide coarse-selected concentrate, and the first selection of medium mine returned to the copper sulfide mineral, and the first selection was added to 50 g / t lime for the second time. Selected, the final copper concentrate, the second selection of medium ore returned to the first selection; O-isopropyl-N-ethylthi...

Embodiment 2

[0045] A copper ore original ore Cu 0.47, 16.78% sulfur, metal minerals in the ore include brass mine, magnetic iron ore, gum-shaped yellow iron mine; 75% of the ore grinding to -0.074mm, to the wear slurry The combination of tannic acid and 1,2-benzene phenol is added sequentially added 100 g / t, O-isopropyl-N-ethylthioceranslate and mercaptobenzothiazole combined collectors 40g / t, 2 oil 28g / t, and then sulfide copper sulfide is coarsely selected, and the copper sulfide is coarsely selected concentrate and coarse selection; 200g / t lime is added to the sulfurized coarse selection of concentrates for the first time Selected, the first selection of medium mine returned to the copper sulfide mineral coarse selection, and the first selection was added to the second selection of 100 g / t lime for the second selection, and the second selection of medium mine returned. The first selection; the combination of O-isopropyl-N-ethylthioceranside and mercaptopenzothiazole is added to t...

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Abstract

The invention belongs to the technical field of beneficiation, and discloses a beneficiation method of complex and difficult-to-treat copper-sulfur sulfide ore. The method comprises the steps of firstly, grinding, then adding an organic regulator, a collecting agent and a foaming agent for pulp mixing, roughing to obtain copper sulfide roughing concentrate, further concentrating to obtain copper concentrate, carrying out flotation on copper sulfide roughing tailings to obtain pyrite roughing concentrate, and further concentrating the pyrite roughing concentrate to obtain sulfur concentrate. The organic regulator is adsorbed on the surface of the pyrite to form a hydrophilic film to inhibit the pyrite, meanwhile, the electrochemical corrosion effect of the pyrite and copper sulfide in flotation pulp can be reduced, the activation effect of dissolution of copper ions in copper sulfide ore on the pyrite is reduced, and meanwhile through the synergistic effect of flotation collecting agents, the collection of copper sulphide ore is enhanced, so that the copper sulphide ore is separated under low alkalinity, and the use amount of lime is reduced; the organic regulator used in the invention is easy to degrade and less in environmental pollution.

Description

Technical field [0001] The present invention belongs to the selection technique, and more particularly to a complicated method for complex treatment of copper sulfide. Background technique [0002] At present, copper is an important material for modern human society, and its application is very important for industrial development. As the largest developing country, my country's first in China is the world. In 2015, China has a copper metal amount of copper metal, accounting for 8.7% of global production, accounting for 29.5% of the total demand in China, and the external dependency is high. Most copper metals are refined from copper sulfide, and copper and sulfur are usually accompanied by copper sulfur ore, copper sulfide ore ore is an important source of extracting copper sulfide ore. my country is a large country of copper ore, and the resource reserves ranks in the world. However, the amount of per capita resources is serious. At the same time, my country's copper ore resour...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03D1/018B03D101/02B03D101/04B03D101/06B03D101/00B03D103/02
CPCB03D1/018B03D2203/02B03D2201/02B03D2201/04B03D2201/06B03D2201/00
Inventor 邱廷省邱仙辉丁士启李晓波艾光华严华山王周和彭时忠吴昊王梦雨
Owner JIANGXI UNIV OF SCI & TECH
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