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Formula and preparation method of phosphorite reverse flotation deoxidization magnesium collecting agent

A demagnesia removal and reverse flotation technology, applied in flotation, solid separation and other directions, can solve the problems of low separation efficiency of phosphate rock, high chemical consumption, poor foam fluidity, etc., to increase the annual processing capacity and improve the selectivity. , The effect of low content of impurities in concentrate

Inactive Publication Date: 2015-04-29
HUBEI JUXIANG BENEFICIATION PHARMACY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of low separation efficiency, high reagent consumption, and poor foam fluidity of poor, fine, miscellaneous and refractory phosphate rocks, and provide a collection system that can adapt to both "fine-grained" and "high-concentration" flotation. The preparation method of the agent

Method used

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  • Formula and preparation method of phosphorite reverse flotation deoxidization magnesium collecting agent
  • Formula and preparation method of phosphorite reverse flotation deoxidization magnesium collecting agent
  • Formula and preparation method of phosphorite reverse flotation deoxidization magnesium collecting agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The first step: prepare the mixed material. Weigh 60% of the materials oleic acid, 30% of stearic acid, and 10% of C5-C9 fatty acids in proportion, respectively add them to the reaction kettle 1, heat and stir to 100° C., and keep at constant temperature for 1 hour to make a mixed material;

[0019] The second step: heating saponification. Weigh a certain amount of the above mixed material and add it to the reaction kettle 2, then add 56.5% water and 6% solid sodium hydroxide in proportion, heat and stir to 95°C, and react at constant temperature for 1 hour;

[0020] The third step: the compounding of mixed fatty acid and surfactant. Add 5% terpineol, 5% polyoxyethylene laurate sulfonate, 1.5% TX emulsifier and 2% sodium carbonate to the reaction kettle 2, stir for 40 minutes at a constant temperature of 95°C, and pack it out of the pot That's it.

[0021] The agent has been successfully used in mineral processing production, such as in the flotation production of ph...

Embodiment 2

[0026] The first step: prepare the mixed material. Weigh 50% of the materials oleic acid, 40% of stearic acid, and 10% of C5-C9 fatty acids in proportion, respectively add them to the reaction kettle 1, heat and stir to 100° C., keep at constant temperature for 1 hour, and make a mixed material;

[0027] The second and third steps are the same as Example 1.

[0028] The agent is successfully used in mineral processing production, such as Xingfa phosphate rock flotation production.

[0029] Mineral dressing test results

[0030]

Embodiment 3

[0032] The first and second steps are the same as Example 1.

[0033] The third step: the compounding of mixed fatty acid and surfactant. Add 3% terpineol, 3% polyoxyethylene laurate sulfonate, 1.5% TX emulsifier and 2% sodium carbonate to the reaction kettle 2, stir for 40 minutes at a constant temperature of 95°C, and pack it out of the pot That's it.

[0034] Mineral dressing test results

[0035]

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Abstract

The invention discloses a formula and a preparation method of a phosphorite reverse flotation deoxidization magnesium collecting agent which is simple in process and favorable in using effect. In a process of preparing a mixed material, the input ratios of the materials are as follows: the input ratio of oleic acid is 50-60%, the input ratio of stearic acid is 40-30%, and the input ratio of C5-C9 fatty acid is 10%; the input ratios of the materials in a process of heating and saponifying are as follows: the input ratio of the mixed material is 37.5%, the input ratio of water is 56.5% and the input ratio of solid natrium hyelroxide is 6%; in a compounding process of mixing fatty acid and a surfactant, the input ratios of the materials are as follows: the input ratio of the mixed material is 86.5-90.5%, the input ratio of terpilenol is 3-5%, the input ratio of lauric acid polyoxyethylene ether sulfonate is 3-5%, the input ratio of a TX emulgator is 1.5%, and the input ratio of sodium carbonate is 2%. The method is high in synthesis efficiency, low in equipment requirement, free of pollution and free of emission; the method serves as a clean, environment-friendly and efficient production process; the prepared product is high in water solubility, high in mobility, excellent in dispersion effect and stable and reliable in performance, can be simultaneously adaptive to high-concentration and fine-fraction flotation; the phosphorite reverse flotation deoxidization magnesium collecting agent serves as a beneficiation reagent with high competitiveness and good application prospect.

Description

technical field [0001] The invention relates to a collector formula, in particular to a formula and a preparation method of a magnesium collector for reverse flotation deoxidation of phosphate rock with simple process and good application effect. Background technique [0002] Facing the increasing scarcity of global phosphate rock resources, the effective use of poor, fine, impurity, and refractory phosphate rock has become the main task of mineral processing technology workers. [0003] Because fine-grained ore particles (slime) have the characteristics of small mass and large specific surface area, a series of special behaviors will appear in the fine particles during the slurry mixing and flotation process: First, mutual coagulation between different mineral particles is easy to occur However, non-selective aggregation is formed, and the particles are easy to adhere to the surface of the coarse particles to form a mud cover; secondly, the particles have a large specific s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03D1/018B03D101/02B03D103/06
Inventor 张振翼曾李明毛瑞峰
Owner HUBEI JUXIANG BENEFICIATION PHARMACY
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