Flotation separation agent system for copper-molybdenum mixed concentrates and application of flotation separation agent system

A technology of copper-molybdenum mixed concentrate and mixed concentrate, which is applied in flotation, solid separation, etc., can solve the problems of poor concentrate products and low separation efficiency of copper-molybdenum mixed concentrate, achieve excellent results, and avoid floatability Decrease and increase the effect of planktonic difference

Active Publication Date: 2019-12-10
INST OF MULTIPURPOSE UTILIZATION OF MINERAL RESOURCES CHINESE ACAD OF GEOLOGICAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to provide a copper-molybdenum mixed concentrate flotation separation agent system and its application to solve the technical problems of low separation efficiency of copper-molybdenum mixed concentrate and poor concentrate products

Method used

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  • Flotation separation agent system for copper-molybdenum mixed concentrates and application of flotation separation agent system

Examples

Experimental program
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Effect test

Embodiment 1

[0028] 1. Drug preparation

[0029] Copper mineral inhibitors and molybdenum mineral collectors were prepared respectively, wherein the copper mineral inhibitors were prepared from the following components: 7 parts of sodium hydroxide, 5 parts of hydrogen peroxide, 25 parts of sodium thioglycolate, diethylene triethylene 4 parts of pentasodium aminepentaacetic acid, 200 parts of water; the molybdenum mineral collector is composed of the following components: 25 parts of kerosene, 8 parts of tertiary dodecyl mercaptan; the foaming agent is 2-hexanol.

[0030] 2. Drug application method

[0031] The copper-molybdenum mixed concentrate used is taken from a molybdenum beneficiation plant in Shaanxi. The grade of molybdenum in the mixed concentrate is 9.40%, and the grade of copper is 1.68%. The fineness of the mixed concentrate is -74μm and the content is 70%-72%. Mix the mixed concentrate and dry it in the shade, then pack it into bags and seal it for later use. Using the above...

Embodiment 2

[0037] 1. Drug preparation

[0038] Copper mineral inhibitors and molybdenum mineral collectors were prepared respectively, wherein the copper mineral inhibitors were prepared from the following components: 4 parts of sodium hydroxide, 3 parts of hydrogen peroxide, 20 parts of sodium thioglycolate, diethylene triethylene 2 parts of pentasodium aminepentaacetic acid, 150 parts of water; the molybdenum mineral collector is composed of the following components: 25 parts of kerosene, 6 parts of tert-dodecylmercaptan; the foaming agent is 2-hexanol.

[0039] 2. Drug application method

[0040] The copper-molybdenum mixed concentrate used is taken from a molybdenum beneficiation plant in Henan. The grade of molybdenum in the mixed concentrate is 6.75%, and the grade of copper is 1.32%. The fineness of the mixed concentrate is -74μm and the content accounts for 73%-75%. Mix the mixed concentrate and dry it in the shade, then pack it into bags and seal it for later use. Using the ab...

Embodiment 3

[0046] The copper-molybdenum mixed concentrate and beneficiation steps adopted in this embodiment are all the same as those in Example 2, the difference lies in the composition ratio of copper mineral inhibitors and molybdenum mineral collectors and the separation and roughing of copper and molybdenum, molybdenum sweeping, molybdenum The amount of medicine used in the selection step is different; the proportion of medicine ingredients and the medicine content of each step are respectively:

[0047] Ratio of pharmaceutical ingredients: Copper mineral inhibitor is prepared from 3 parts of sodium hydroxide, 3 parts of hydrogen peroxide, 15 parts of sodium thioglycolate, 2 parts of pentasodium diethylenetriaminepentaacetic acid, and 150 parts of water, molybdenum minerals are collected 20 parts of kerosene, 5 parts of tert-dodecylmercaptan, and 2-hexanol as foaming agent;

[0048] Copper-molybdenum mixed concentrate grinding: Add 150 g / ton of sodium hydroxide to the mixed concentr...

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Abstract

The invention discloses a flotation separation agent system for copper-molybdenum mixed concentrates and application of the flotation separation agent system. The flotation separation agent system forthe copper-molybdenum mixed concentrates comprises a copper mineral inhibitor, a molybdenum mineral collector and a foaming agent in a copper-molybdenum flotation separation process. The copper mineral inhibitor comprises the following components in parts by weight: 3-7 parts of sodium hydroxide, 3-6 parts of hydrogen peroxide, 15-25 parts of sodium thioglycolate, 2-5 parts of pentasodium diethylenetriaminepentaacetate and a proper amount of water; the molybdenum mineral collector comprises the following components in parts by weight: 20-30 parts of kerosene and 5-10 parts of tert-dodecyl mercaptan; and the foaming agent is 2-hexanol. The inhibitor and the collector are high in selective adsorption capacity, the synergy performance is excellent, the activity of groups of the foaming agentis high, formed foams are crisp and compact, and the mineralization effect is good. According to the flotation separation agent system for copper and molybdenum, the floatability difference between molybdenum minerals and copper minerals in the complex copper and molybdenum mixed concentrates difficult to separate can be greatly improved, the mutual content of the copper and the molybdenum is effectively reduced, the separation index is excellent, adopted agents are nontoxic and harmless, and the influence on the environment is small.

Description

technical field [0001] The invention belongs to the technical field of flotation of copper-molybdenum sulfide ore, and in particular relates to a flotation separation agent system of copper-molybdenum mixed concentrate and its application. Background technique [0002] With the development of high technology, especially in the field of microelectronics and military industry, molybdenum will become an extremely important metal material and strategic material, and copper marks the level of national industrial development, so molybdenum and copper are closely related to the development of the national economy. [0003] In the beneficiation of molybdenum sulfide ore, the separation of copper and molybdenum from copper-molybdenum mixed concentrate has always been a difficult problem in the field of mineral processing, and it is a major obstacle restricting the development of copper-molybdenum symbiotic resources, so it has become the focus of research by mineral processing workers...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03D1/018B03D1/012B03D1/008B03D101/02B03D101/04B03D101/06B03D103/02
CPCB03D1/008B03D1/012B03D1/018B03D2201/02B03D2201/04B03D2201/06B03D2203/02
Inventor 赵开乐闫武
Owner INST OF MULTIPURPOSE UTILIZATION OF MINERAL RESOURCES CHINESE ACAD OF GEOLOGICAL SCI
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