Method for purifying manganese sulfate solution

A manganese sulfate solution and manganese sulfate technology are applied in the fields of chemical industry and metallurgy, which can solve the problems of difficult recovery and disposal of heavy metal sulfides, high consumption of auxiliary materials, and large equipment investment, so as to achieve low production cost, low consumption of auxiliary materials and high production efficiency. Effect

Active Publication Date: 2016-02-03
广西银亿再生资源有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This process uses sodium sulfide to precipitate heavy metals, and P204 to extract and enrich manganese sulfate. Heavy metal sulfides are not easy to recycle and dispose of. The process is long, the investment in equipment is large, the consumption of auxiliary materials is high, and there are many wastes.

Method used

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  • Method for purifying manganese sulfate solution
  • Method for purifying manganese sulfate solution
  • Method for purifying manganese sulfate solution

Examples

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Embodiment 1

[0030] A method for purifying manganese sulfate solution, comprising the following specific steps:

[0031] (1) Degreasing: the manganese sulfate solution is degreased through microbubble air flotation, and then degreased through fibers to obtain the manganese sulfate solution after oiling;

[0032] (2) Ion exchange includes adsorption, analysis and transformation;

[0033] a adsorption: the manganese sulfate solution that step (1) obtains is passed through loading with lutidine group with the flow velocity of 2BV / h The ion exchange column of the chelating resin is used for adsorption, and when the content of copper, nickel, cobalt, and zinc exceeds the limit index of 2 mg / l, the adsorption operation is stopped;

[0034] b Analysis: After adsorption treatment, the resin loaded with copper, nickel, cobalt, and zinc impurities is analyzed with sulfuric acid with a mass concentration of 5% to obtain a sulfate solution containing copper, nickel, cobalt, and zinc, which is then c...

Embodiment 2

[0039] A method for purifying manganese sulfate solution, comprising the following specific steps:

[0040] (1) Degreasing: the manganese sulfate solution is degreased through microbubble air flotation, and then degreased through fibers to obtain the manganese sulfate solution after oiling;

[0041] (2) Ion exchange includes adsorption, analysis and transformation;

[0042] a adsorption: the manganese sulfate solution that step (1) obtains is passed through the manganese sulfate solution that is loaded with lutidine group with the flow velocity of 15BV / h The ion exchange column of the chelating resin is used for adsorption, and when the content of copper, nickel, cobalt, and zinc exceeds the limit index of 2 mg / l, the adsorption operation is stopped;

[0043] b Analysis: After adsorption treatment, the resin loaded with copper, nickel, cobalt, and zinc impurities is analyzed with sulfuric acid with a mass concentration of 5% to obtain a sulfate solution containing copper, ni...

Embodiment 3

[0048] A method for purifying manganese sulfate solution, comprising the following specific steps:

[0049] (1) Degreasing: the manganese sulfate solution is degreased through microbubble air flotation, and then degreased through fibers to obtain the manganese sulfate solution after oiling;

[0050] (2) Ion exchange includes adsorption, analysis and transformation;

[0051] a adsorption: the manganese sulfate solution that step (1) obtains is passed through loading with lutidine group with the flow velocity of 5BV / h The ion exchange column of the chelating resin is used for adsorption, and when the content of copper, nickel, cobalt, and zinc exceeds the limit index of 2 mg / l, the adsorption operation is stopped;

[0052] b Analysis: After adsorption treatment, the resin loaded with copper, nickel, cobalt, and zinc impurities is analyzed with sulfuric acid with a mass concentration of 10% to obtain a sulfate solution containing copper, nickel, cobalt, and zinc, which is then ...

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Abstract

The invention discloses a method for purifying a manganese sulfate solution. The method is characterized by comprising the steps that ion exchange resin is used for treating the manganese sulfate solution, and is chelate resin with a lutidine group. The manganese sulfate solution is output through a Ni-Co wet method metallurgical extraction procedure, and due to the fact that copper, zinc, nickel, cobalt and other impurities are included in the manganese sulfate solution, the manganese sulfate solution is treated as waste liquid, resources are wasted, and environment-friendly treatment cost is increased. According to the method, the ion exchange process is used for adsorbing and removing impurity metal elements, an ion exchange column is filled with chelate resin with a Purolite<>S960 group, and according to the selective sequence under the same condition, Cu>Ni>Co>Pb>Zn>Cd>Fe<+3>>Mn>Mg>Ca>Na. Certain conditions are controlled, copper, nickel, cobalt, zinc and other metal ions can be selectively adsorbed and removed, and the pure manganese sulfate solution is obtained.

Description

technical field [0001] The invention belongs to the fields of metallurgy and chemical industry, in particular to a method for purifying manganese sulfate solution. Background technique [0002] In the cobalt and nickel hydrometallurgy process, the P204 fractional distillation extraction process is often used to remove manganese, copper, zinc and other impurity elements, and the manganese, copper, and zinc are stripped with 1.5-2.5mol / l sulfuric acid, and the manganese sulfate solution produced is also There are copper 1-5g / l and 0.01-0.2g / l nickel, cobalt, zinc and other metal elements. [0003] In the hydrometallurgical production process, it is difficult to separate copper from manganese sulfate solution. P204, P507 and other extractants cannot effectively separate manganin and copper. Therefore, chemical precipitation is generally used to remove copper. [0004] In order to separate copper, nickel, cobalt, zinc and other metal elements from the manganese sulfate waste li...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G45/10
Inventor 谭笑天
Owner 广西银亿再生资源有限公司
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