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Magnesium-silicate-rich mineral floatation inhibitor as well as preparation method and application thereof

A technology rich in magnesium silicate and silicate minerals, applied in flotation, solid separation, etc., can solve the problems of difficult ore smelting, unsatisfactory effect, and good buoyancy, which is beneficial to industrial applications and good choice Sexual effect, cheap effect

Inactive Publication Date: 2015-12-30
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

[0002] my country's nickel ore resources are mainly low-grade copper-nickel sulfide ores rich in MgO silicate gangue minerals, such as serpentine, talc, chlorite, tremolite, etc., these magnesium-rich silicate minerals in the flotation process Among them, not only the mudification is serious, but also the floatability is excellent after itself or "heterogeneous coagulation", which seriously interferes with flotation and brings difficulties to the subsequent concentrate smelting
[0003] For a long time, around the problem of magnesium reduction in copper-nickel sulfide ore flotation concentrates, engineering and technical personnel from relevant universities, research institutes, and factories and mines at home and abroad have done a lot of research work, and have also developed sodium carboxymethyl cellulose (CMC), water glass, sodium hexametaphosphate, sodium humate, tannic acid, tannic acid and other flotation inhibitors of magnesium-rich silicate minerals, but practice shows that the effect of these inhibitors is not ideal

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] 1) In parts by weight, weigh 5 parts of konjac glucomannan, 15 parts of sodium gluconate, and 5 parts of sodium tripolyphosphate, and mix well;

[0034] 2) In parts by weight, weigh 2500 parts of water, heat to 85°C, then slowly and evenly add the raw materials in step 1) while stirring continuously to dissolve them fully, and obtain an inhibitor solution with a mass concentration of 1%.

Embodiment 2

[0036] 1) In parts by weight, weigh 5 parts of aloe mannan, 15 parts of sodium gluconate, and 10 parts of sodium tripolyphosphate, and mix well;

[0037] 2) In parts by weight, weigh 2000 parts of water, heat to 85°C, then slowly and evenly add the raw materials in step 1) while stirring continuously to dissolve them fully, and obtain an inhibitor solution with a mass concentration of 1.5%.

Embodiment 3

[0039] 1) In parts by weight, weigh 25 parts of konjac glucomannan, 10 parts of sodium gluconate, and 5 parts of sodium tripolyphosphate, and mix well;

[0040] 2) In parts by weight, weigh 2000 parts of water, heat to 90°C, then slowly and evenly add the raw materials in step 1) while stirring continuously to dissolve them fully, and obtain an inhibitor solution with a mass concentration of 2%.

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PUM

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Abstract

The invention provides a magnesium-silicate-rich mineral floatation inhibitor. The inhibitor comprises the following ingredients in part by weight: 2 to 30 parts of mannan, 5 to 25 parts of sodium gluconate and 5 to 15 parts of sodium tripolyphosphate. The mannan is one of konjac glucomannan and aloe mannan. The invention also provides a method of preparing the inhibitor. The invention also provides application of the inhibitor in inhibiting the magnesium-silicate-rich minerals in a floatation process.

Description

technical field [0001] The invention belongs to the technical field of mineral processing, and in particular relates to a magnesium-rich silicate mineral flotation inhibitor and a preparation method and application thereof. Background technique [0002] my country's nickel ore resources are mainly low-grade copper-nickel sulfide ores rich in MgO silicate gangue minerals, such as serpentine, talc, chlorite, tremolite, etc., these magnesium-rich silicate minerals in the flotation process Among them, not only the mudification is serious, but also the buoyancy of itself or after "heterogeneous coagulation" is excellent, which seriously interferes with flotation and brings difficulties to the subsequent concentrate smelting. [0003] For a long time, around the problem of magnesium reduction in copper-nickel sulfide ore flotation concentrates, engineering and technical personnel from relevant universities, research institutes, and factories and mines at home and abroad have done a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03D1/018B03D101/06
Inventor 邓伟王昌良廖祥文陈炳炎饶系英徐平
Owner INST OF MULTIPURPOSE UTILIZATION OF MINERAL RESOURCES CHINESE ACAD OF GEOLOGICAL SCI
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