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Production method of electrolytic manganese metal

A technology for electrolytic manganese metal and a production method, which is applied in the direction of electrolysis process, electrolysis components, photography process, etc., can solve the problems of high energy consumption, unsatisfactory manganese recovery rate, etc. The effect of reducing production costs

Inactive Publication Date: 2016-03-16
秀山县嘉源矿业有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, the traditional process is adopted. Except for the different liquid preparation methods in the previous process, the electrolytic production process is basically the same.
Its biggest disadvantage is high energy consumption and unsatisfactory manganese recovery rate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A production method of electrolytic manganese metal, comprising the following steps:

[0028] A, milling: pulverizing the raw ore to 90 mesh;

[0029] B, pulping: put the ore powder prepared in step A and the anolyte into the compound tank according to the ratio of solid to liquid ratio of 1:3, fully stir and mix, wherein the content concentration of Mn in the anolyte is 14g / l, and the H content The concentration is 38g / l; then react at a temperature of 50°C for 10 minutes; then add sulfuric acid equivalent to 40% of the weight of mineral powder, the concentration of sulfuric acid is 98%, leaching for 6 hours, and the concentration of residual acid is controlled at 0.9g / l L;

[0030] C, leaching and oxidation: pass air into the compound tank, accelerate the reaction for more than 60 minutes, and use the oxygen in the air to oxidize and remove iron;

[0031] D, Neutralization: Add 15% ammonia water to adjust the pH value to 6.4, keep it for more than 30 minutes, add fo...

Embodiment 2

[0037] A production method of electrolytic manganese metal, comprising the following steps:

[0038] A, milling: pulverizing the raw ore to 100 mesh;

[0039] B, pulping: put the ore powder prepared in step A and the anolyte into the compound tank according to the solid-to-liquid ratio of 1:3, fully stir and mix, wherein the content concentration of Mn in the anolyte is 11g / l, and the H content The concentration is 45g / l; then react at a temperature of 45°C for 20 minutes; then add sulfuric acid equivalent to 40% of the weight of mineral powder, the concentration of sulfuric acid is 96%, leaching for 4 hours, and the concentration of residual acid is controlled at 1.5g / l L;

[0040] C, leaching and oxidation: pass air into the compound tank, accelerate the reaction for more than 60 minutes, and use the oxygen in the air to oxidize and remove iron;

[0041] D, Neutralization: Add 11% ammonia water to adjust the pH value to 6.4, keep it for more than 30 minutes, add formex to ...

Embodiment 3

[0047] A production method of electrolytic manganese metal, comprising the following steps:

[0048] A, milling: pulverize the raw ore to 95 mesh;

[0049] B, pulping: put the ore powder prepared in step A and the anolyte into the compound tank according to the ratio of solid to liquid ratio of 1:3, fully stir and mix, wherein the content concentration of Mn in the anolyte is 13g / l, and the H content The concentration is 40g / l; then react at a temperature of 48°C for 18 minutes; then add sulfuric acid equivalent to 40% of the weight of mineral powder, the concentration of sulfuric acid is 96%, leaching for 5 hours, and the concentration of residual acid is controlled at 1.0g / l L or 1.1g / L;

[0050] C, leaching and oxidation: pass air into the compound tank, accelerate the reaction for more than 60 minutes, and use the oxygen in the air to oxidize and remove iron;

[0051] D, Neutralization: Add 13% ammonia water to adjust the pH value to 6.4, keep it for more than 30 minutes...

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PUM

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Abstract

The invention discloses a production method of electrolytic manganese metal. The production method comprises the following steps of milling, slurrying, leaching oxidizing, neutralizing, primary filter pressing, secondary filter pressing, electrolyzing, out-of-tank passivating, flushing, drying and stripping. Due to the addition of the slurrying step, raw ore powder is caused to react thoroughly in a quite mild chemical environment (45 to 50 DEG C) and then the extraction speed and the extraction rate of manganese are greatly increased; an anode liquor does not need to be heated near boiling by introducing steam and the like, so that the heat source cost is greatly saved; by comparing the new and old two production lines in the factory of the applicant of the invention, the fuel cost or electric charge can be saved by using the method provided by the invention. In the meantime, air oxidization is applied to remove iron instead of iron removal through manganese dioxide in a traditional process; for producing one ton of manganese, the manganese dioxide powder can be saved; consequently, the production cost is further reduced.

Description

technical field [0001] The invention relates to a production method of electrolytic manganese, in particular to a production method of electrolytic metal manganese with high efficiency and energy saving. Background technique [0002] Manganese is an indispensable additive in the smelting industry. After electrolytic manganese is processed into powder, it is the main raw material for the production of manganese tetraoxide. The original magnetic material widely used in the electronics industry is produced from manganese tetraoxide. The electronics industry, metallurgical industry and The aerospace industry requires electrolytic manganese metal. With the continuous development of science and technology and the continuous improvement of productivity, electrolytic manganese metal has been successfully and widely used in iron and steel smelting, nonferrous metallurgy, electronic technology, chemical industry, environmental protection, Food hygiene, welding rod industry, aerospace...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25C1/10C25C7/00C25C7/06
Inventor 吴和财刘建林吴和刚张利生周龙兵
Owner 秀山县嘉源矿业有限责任公司
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