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Liquid manufacturing method in electrlytic nickel production process

A production process and electrolytic nickel technology, which is applied in the field of impurity removal in electrolytic nickel production, liquid making of a balanced solution system, and nickel supplementation. It can solve problems such as insufficient processing capacity, insufficient production capacity of electrolytic nickel for nickel supplementation, and difficulty in ion balance. Achieve the effect of increasing the solution processing capacity, reducing the cost of nickel supplementation, and increasing the amount of nickel supplementation

Inactive Publication Date: 2011-11-09
JINCHUAN GROUP LIMITED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The disadvantages of the above-mentioned two-stage liquid-making method: The processing capacity of removing impurities is relatively insufficient; The amount of nickel supplementation is insufficient relative to the production capacity of electrolytic nickel; It is difficult to balance various ions in the system

Method used

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  • Liquid manufacturing method in electrlytic nickel production process

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Experimental program
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Effect test

Embodiment 1

[0014] The internal solution of the electrolytic nickel production workshop and the nickel supplement solution of the outer workshop, after the acid adjustment treatment, enter the "first-level liquid-making tank 2" through the "first-level high-level tank 1". After the reaction is complete, the mixed solution is sent to Enter "secondary high slot 3". After the solution is completely reacted in the "secondary solution-making tank", the mixed solution is sent to the "tertiary high-level tank 4". After the solution reacts completely in the "third-stage solution-making tank", the mixed solution is sent to the "four-stage high-level tank 5". After the solution reacts completely in the "four-stage liquid-making tank", the solution is mixed with the anolyte and sent to the purification process; the primary and secondary production currents are controlled at 10,000A; the third- and fourth-stage production currents are controlled at 8,000A; The efficiency reaches 65%, and the amount ...

Embodiment 2

[0016] The internal solution of the electrolytic nickel production workshop and the nickel supplement solution of the external workshop, after the acid adjustment treatment, enter the "first-level liquid-making tank" through the "first-level high-level tank". After the reaction is complete, the mixed solution is sent into the " Secondary High Slot". After the solution has completely reacted in the "secondary liquid-making tank", the mixed solution is sent to the "third-level high-level tank". After the solution is completely reacted in the "three-stage liquid-making tank", the mixed solution is sent to the "four-stage high-level tank". After the solution reacts completely in the "four-stage liquid-making tank", the solution is mixed with the anolyte and sent to the purification process; the primary and secondary production currents are controlled at 11,000A; the third- and fourth-stage production currents are controlled at 10,000A; The efficiency reaches 65%, and the amount o...

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Abstract

The invention discloses a liquid manufacturing method in an electrolytic nickel production process, relating to a liquid manufacturing method for decontaminating, supplementing nickel and balancing a solution system in the electrolytic nickel production process. The liquid manufacturing method is characterized in that a serial four-level liquid manufacturing trough mode is adopted in the liquid manufacturing process; the first level and the second level of production current in the liquid manufacturing process are controlled within 10000-11000A; and the third level and the fourth level of production current are controlled within 8000-10000A. In the method disclosed by the invention, the serial four-level liquid manufacturing mode is adopted, and process engineering conditions, such as certain production current, solution acidity and the like, are controlled to improve liquid manufacturing efficiency. According to the method, liquid manufacturing solution handling capability is enhanced, liquid manufacturing efficiency is improved, and total amount of acids and total amount of impurities entering a working procedure of purification are reduced; solution flow is increased to eliminate double electric layers and concentration polarization; nickel supplementation amount is increased; and nickel supplementation cost is lowered.

Description

technical field [0001] The invention discloses a liquid-making method in the electrolytic nickel production process, relating to a liquid-making method for removing impurities, supplementing nickel, and balancing a solution system in the electrolytic nickel production. Background technique [0002] The traditional liquid-making method for electrolytic nickel production adopts two-stage liquid-making, namely the "high acid" section and the "low acid" section. In the production process, the self-produced solution and the external nickel solution are adjusted to acid, and then enter the liquid-making system from the high-acid tank. After the solution is fully reacted in the high-acid tank, a mixed solution is formed, and then enters the low-acid reaction. After fully reacting in the low-acid tank, a low-acid mixed solution is formed, and finally forms a mixed solution with the anolyte to enter the purification process. The specific process is as figure 1 shown. [0003] The ...

Claims

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Application Information

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IPC IPC(8): C25C1/08
Inventor 张树峰叶民杰赵重王来虎来进平魏玉梅卢建波周通
Owner JINCHUAN GROUP LIMITED