Method for selecting copper sulphide ores in flotation manner

A technology for copper sulfide ore and dry ore, applied in flotation, solid separation and other directions, can solve the problems of high price, environmental hazards, poor selectivity, etc.

Inactive Publication Date: 2012-08-15
BEIJING GENERAL RES INST OF MINING & METALLURGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The shortcoming of above-mentioned prior art is: the selectivity such as xanthate, black medicine etc. is relatively poor in the existing conventional medicament, consumption is also bigger, also has certain harmfulness to environment, and the better ester medicament of selectivity also has Some limitations such as expensive and complex synthesis process

Method used

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  • Method for selecting copper sulphide ores in flotation manner
  • Method for selecting copper sulphide ores in flotation manner
  • Method for selecting copper sulphide ores in flotation manner

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] An ore containing mainly useful metal minerals such as chalcopyrite and pyrite, and gangue minerals such as quartz, containing 0.61% copper. Adjust the pH value of the pulp (lime can be added to the ball mill when using lime) to 8.5, and the concentration of the pulp is 35%, then add the collector 28g / t of ethyl thioglycolate dry ore to the pulp, stir for 2 minutes, and after a rough separation, you can get Copper sulfide rough concentrate.

[0018] The comparative test indicators of copper sulfide ore are shown in Table 1.

[0019] Table 1 Contrast of mineral processing index between using medicament in the present invention and using Z-200

[0020]

Embodiment 2

[0022] A kind of ore containing mainly useful metal minerals such as chalcopyrite and pyrite, and gangue minerals such as quartz, containing 0.57% copper. Adjust the pH value of the pulp (lime can be added to the ball mill when lime is used) to 7.5, and the concentration of the pulp is 35%, then add the collector agent ethyl thioglycolate 28g / t dry ore to the pulp, stir for 2 minutes, and after a rough separation, you can get Copper sulfide rough concentrate.

[0023] See Table 2 for the comparative test indicators of copper sulfide ore.

[0024] Table 2 Contrast of mineral processing index between using medicament in the present invention and using Z-200

[0025]

Embodiment 3

[0027] A kind of ore containing mainly useful metal minerals such as chalcopyrite and pyrite, and gangue minerals such as quartz, containing 0.59% copper. Adjust the pH value of the pulp (lime can be added to the ball mill when using lime) to 9.5, the concentration of the pulp is 35%, and then add the collector agent ethyl thioglycolate 15g / t dry ore to the pulp, stir for 2 minutes, and after a rough separation, you can get Copper sulfide rough concentrate.

[0028] See Table 3 for the comparative test indicators of copper sulfide ore.

[0029] Table 3 Contrast of mineral processing index between using medicament in the present invention and using Z-200

[0030]

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Abstract

Disclosed is a method for selecting copper sulphide ores in a flotation manner. The method is characterized in that sulfydryl carboxylic ester is used as a collecting agent in an ore selecting process. The method has the advantages that selectivity of the copper sulphide ores is high, the utilization quantity of chemicals is low, and flotation selection is realized at a low pH (potential of hydrogen) value. The shortcoming that a method for selecting copper sulphide ores in a flotation manner by the aid of a conventional collecting agent is poor in selectivity, the utilization quantity of chemicals is high, and environments are polluted are overcome. The method is an effective method for selecting the copper sulphide ores in the flotation manner.

Description

technical field [0001] A method for flotation copper sulfide ore relates to a flotation method for copper sulfide ore. Background technique [0002] In the existing mineral processing technology, the flotation of copper sulfide minerals generally uses xanthate, black medicine, thiourethane, xanthate, etc. as collectors under alkaline conditions, and lime as inhibitors and pH adjustment. agent. Generally, the pH value of the pulp is between 8.5-11, and the amount of collector is between 10-100g / t. [0003] The shortcoming of above-mentioned prior art is: the selectivity such as xanthate, black medicine etc. is relatively poor in the existing conventional medicament, consumption is also bigger, also has certain harmfulness to environment, and the better ester medicament of selectivity also has There are some limitations such as expensive price and complex synthesis process. Contents of the invention [0004] Purpose of the present invention is exactly at the deficiency th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03D1/012B03D101/02
Inventor 周高云陈定洲刘龙利陈述一何伟
Owner BEIJING GENERAL RES INST OF MINING & METALLURGY
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