Antimony oxide mineral and quartz flotation separation method

A separation method and antimony oxide technology, applied in flotation, solid separation and other directions, can solve the problems of not finding a better recovery method, low grade, etc., and achieve the effect of less chemical dosage and simple process structure

Active Publication Date: 2014-04-02
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

At present, the ore dressing of antimony oxide ore at home and abroad mainly uses methods such as gravity separation, combined gravity-flotation process, combination of dressing and metallurgy, and chemical leaching to recover high-grade antimony oxide; but for low-grade gangue minerals containing a large amount of quartz and fine mud Antimony oxide ore, there is still no better recovery method

Method used

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  • Antimony oxide mineral and quartz flotation separation method
  • Antimony oxide mineral and quartz flotation separation method
  • Antimony oxide mineral and quartz flotation separation method

Examples

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no. 1 example

[0021] The first example of the flotation separation method of antimony oxide mineral and quartz according to the present invention comprises the following steps:

[0022] 1. Mineral raw materials:

[0023] The content of antimony in the mineral raw materials used is 0.86%, the content of silicon is 13.28%, the content of calcium carbonate is 5.69%, the content of magnesium oxide is 4.72%, and the content of iron is 12.43%. According to the phase analysis, the oxidation rate of antimony is 83.74%. It exists in the form of salt and quartz, iron mainly exists in the form of limonite, calcium and magnesium minerals mainly exist in the form of carbonate, and a small amount of aluminum-containing minerals.

[0024] 2. Flotation agents and operating conditions:

[0025]

[0026] When in use, the medicament is first prepared into the following weight percent concentrations:

[0027]

[0028]

[0029] During the flotation process, after the ore is ground until the mineral m...

no. 2 example

[0031] The second example of the flotation separation method of antimony oxide mineral and quartz according to the present invention comprises the following steps:

[0032] 1. Mineral raw materials:

[0033] The content of antimony in the mineral raw materials used is 1.72%, 14.66% silicon, 3.31% calcium carbonate, 4.07% magnesium oxide, and 17.50% iron. The phase analysis shows that the antimony oxidation rate is 81.40%, and silicon is mainly composed of silicon It exists in the form of salt and quartz, iron mainly exists in the form of limonite, calcium and magnesium minerals mainly exist in the form of carbonate, and a small amount of aluminum-containing minerals.

[0034] 2. Flotation agents and operating conditions:

[0035]

[0036] When in use, the medicament is first prepared into the following weight percent concentrations:

[0037]

[0038] During the flotation process, after the ore is ground until the mineral monomers are dissociated, the pH value of the sl...

no. 3 example

[0040] The third example of the flotation separation method of antimony oxide mineral and quartz according to the present invention comprises the following steps:

[0041] 1. Mineral raw materials:

[0042] The content of antimony in the mineral raw materials used is 2.53%, the content of silicon is 17.80%, the content of calcium carbonate is 9.10%, the content of magnesium oxide is 6.21%, and the content of iron is 18.57%. According to the phase analysis, the oxidation rate of antimony is 81.32%. It exists in the form of salt and quartz, iron mainly exists in the form of limonite, calcium and magnesium minerals mainly exist in the form of carbonate, and a small amount of aluminum-containing minerals.

[0043] 2. Flotation agents and operating conditions:

[0044]

[0045]

[0046] When in use, the medicament is first prepared into the following weight percent concentrations:

[0047]

[0048] During the flotation process, after the ore is ground until the mineral m...

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Abstract

An antimony oxide mineral and quartz flotation separation method comprises that oxalic acids are used as a pH modifier, water glass and nigrosine are used as a quartz inhibitor, lead nitrate is used as an antimony oxide mineral activator, and hydroximic acids are used as an antimony oxide mineral collecting agent. Antimony oxide concentrates with the antimony content between 21.54% and 29.77% and the recovery rate between 74.30% and 80.65% are obtained through flotation separation in the condition of 0.86% to 2.53% of feeding mineral antimony content. By the aid of the method, antimony oxide minerals and quartz can be subjected to flotation separation, the process structure is simple, the chemical use amount is small, and antimony oxide minerals can be recovered effectively.

Description

1. Technical field [0001] The invention relates to a mineral flotation separation method, in particular to a flotation separation method for antimony oxide minerals and quartz. 2. Background technology [0002] The beneficiation of antimony oxide minerals is still one of the difficult problems in the field of beneficiation at home and abroad. Since the 1960s, a lot of research has been carried out at home and abroad, but no breakthrough has been made. At present, the ore dressing of antimony oxide ore at home and abroad mainly uses methods such as gravity separation, combined gravity-flotation process, combination of dressing and metallurgy, and chemical leaching to recover high-grade antimony oxide; but for low-grade gangue minerals containing a large amount of quartz and fine mud Antimony oxide ore has not yet found a better recovery method. 3. Contents of the invention [0003] The object of the present invention is to provide a method for flotation separation of antim...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03D1/018B03D101/06B03D101/02
Inventor 魏宗武
Owner GUANGXI UNIV
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