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A kind of non-sulfide mineral flotation collector and its application

A mineral flotation and non-sulfurization technology, applied in flotation, solid separation, etc., can solve the problems of poor collection performance of oleic acid, energy consumption, cost increase, poor selectivity of oleic acid, etc., to achieve energy saving, emission reduction, The effect of high recovery rate and strong dispersion ability

Active Publication Date: 2020-03-27
NORTHEASTERN UNIV LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a collector, oleic acid has strong versatility, good collection capacity, and high flotation recovery rate. It is widely used in the mineral flotation industry. However, oleic acid has poor selectivity, extremely low water solubility, and poor dispersibility. Flotation During the process, it is necessary to increase the temperature of the pulp to promote the dispersion of oleic acid in the pulp, resulting in an increase in energy consumption and cost during the beneficiation process
The substitutes of oleic acid, such as oxidized paraffin soap, have certain adaptability to low-temperature pulp, but their collection performance is not as good as that of oleic acid.

Method used

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  • A kind of non-sulfide mineral flotation collector and its application
  • A kind of non-sulfide mineral flotation collector and its application
  • A kind of non-sulfide mineral flotation collector and its application

Examples

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Effect test

Embodiment 1

[0029] A tungsten fine mud contains scheelite and wolframite, the fine mud particle size is -74μm, accounting for 82% of the total mass of the ore, containing WO 3 The amount is 0.43%, and the main gangue minerals include quartz, mica, calcite, fluorite, etc.

[0030] use as figure 1 The rough-sweep flotation process shown recovers tungsten minerals. During the roughing process, add pulp regulator sulfuric acid and sodium fluorosilicate, the amount of sulfuric acid relative to the original ore is 150g / t, the amount of sodium fluorosilicate relative to the original ore is 200g / t, and then add the collector carboxyethylbenzene The dosage of carboxyethylphenylphosphinic acid and its salts, carboxyethylphenylphosphinic acid and its salts relative to the raw ore is 500g / t, then add the foaming agent terpineol oil, the dosage of terpineol oil relative to the raw ore is 100g / t; during the sweeping process, add collector carboxyethylphenylphosphinic acid and its salts, the amount o...

Embodiment 2

[0033] A cassiterite raw ore in Yunnan Province was selected as the raw material. The tin grade in the raw ore was 0.31%, and more than 70% of the cassiterite in the raw ore was distributed in the -45μm particle size. The gangue minerals in cassiterite mines include quartz, fluorspar, calcite, feldspar, mica, tremolite and a large number of clay minerals.

[0034] use as figure 2The shown one rough three sweep two fine flotation process recovery cassiterite. During the roughing process, add gangue mineral inhibitor sodium carboxymethyl cellulose and sodium silicate, the amount of sodium carboxymethyl cellulose relative to the original ore is 150g / t, and the amount of sodium silicate relative to the original ore is 150g / t , then add the collector carboxyethylphenylphosphinic acid and its salts, the amount of carboxyethylphenylphosphinic acid and its salts relative to the original ore is 1500g / t, then add the foaming agent terpineol oil, The amount of pine alcohol oil relativ...

Embodiment 3

[0037] A certain ilmenite fine mud, with a particle size of -74μm, accounts for 70% of the total mass of the ore, and contains 7.23% of titanium dioxide. Titanium dioxide is mainly distributed in ilmenite particles and is the main recovered mineral. Gangue minerals mainly include feldspar, olivine, chlorite, calcite, mica, serpentine and so on.

[0038] use as image 3 Shown is a rough and two fine flotation process to recover ilmenite. During the roughing process, add sulfuric acid as a pulp regulator, the amount of sulfuric acid relative to the raw ore is 1500g / t, and then add collector carboxyethylphenylphosphinic acid and its salts, carboxyethylphenylphosphinic acid and its The amount of salt relative to the original ore is 1000g / t, and then add foaming agent terpineol oil, the amount of terpineol oil relative to the original ore is 120g / t; The dosage is 800g / t, and it is selected twice; during the flotation process, the temperature of the pulp is maintained at about 25°...

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Abstract

The invention discloses a non-sulfide mineral flotation collector and its application, and belongs to the technical field of mineral flotation collectors. This non-sulfide mineral flotation collector is carboxyphenylphosphinic acid and its salts. It has the advantages of good water solubility at room temperature, easy dispersion, strong collection ability, and good selectivity. It is mainly used for ilmenite and scheelite. Flotation separation of useful minerals in ores, wolframite, rutile, cassiterite, fluorite, rare earth ores, bauxite, manganese carbonate ore or phosphorus minerals; the collector is low-cost, safe and environmentally friendly, and has a high flotation recovery rate , suitable for large-scale industrial applications.

Description

technical field [0001] The invention relates to the technical field of mineral flotation collectors, in particular to a non-sulfide mineral flotation collector and its application. Background technique [0002] Flotation is a mineral processing method that selectively separates minerals based on differences in surface physical and chemical properties. The progress of flotation technology largely depends on the development of flotation collectors. Collectors commonly used in non-sulfide mineral flotation include fatty acids and their soaps, sulfates, sulfonates and phosphonates, among which fatty acids and their soaps are the most widely used. Such as: the Chinese invention patent whose publication number is CN102962144A discloses a kind of oleic acid whose saponification degree is about 50% as a collector, and the method for flotation and separation of bauxite; the Chinese invention patent whose publication number is CN101712014A discloses a kind of A method of segmented fl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03D1/018B03D101/02B03D103/04
CPCB03D1/018B03D2201/02B03D2203/04
Inventor 李艳军宫贵臣刘杰
Owner NORTHEASTERN UNIV LIAONING
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