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Electrolytic reduction system and method

The technology of an electrolytic cell and a flowing electrolytic cell, which is applied in the field of electrochemistry, can solve the problems of unsatisfactory industrial production, high energy consumption of electrodeposition equipment, and small electrodeposition area, so as to achieve a scientific electrolytic reduction method, reduce the cost of electrolytic deposition, The simple effect of the system

Active Publication Date: 2013-04-17
森克创能(天津)新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The object of the present invention is to propose an electrolytic reduction system to achieve low energy consumption, Meet the large-scale industrial production of electrodeposited metals, and the prepared electrodeposited metals have the advantages of good uniformity, large specific surface area, and high activity

Method used

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  • Electrolytic reduction system and method

Examples

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Embodiment 1

[0049] figure 1 It is a schematic structural diagram of the electrolytic reduction system disclosed in Example 1.

[0050] This embodiment discloses an electrolytic reduction system, such as figure 1 As shown, the electrolytic reduction system includes a control device, a dissolution tank 1, a solid-liquid separation device 2, a concentration monitor 3, a flow electrolytic cell 4 and a collection tank 5,

[0051] The dissolving tank 1 is provided with a dissolving tank inlet and a dissolving tank liquid outlet, and a heating mechanism (such as a jacket) and a stirring mechanism for accelerating the dissolution of metal or metal compound are also arranged in the dissolving tank 1 .

[0052] The solid-liquid separation device 2 adopts conventional solid-liquid separation equipment, such as filtration separation equipment, and the solid-liquid separation device 2 is provided with a solid-liquid separation device inlet, a solid-liquid separation device liquid outlet and a solid-l...

Embodiment 2

[0059] figure 2 It is a schematic structural diagram of the electrolytic reduction system disclosed in Example 2; image 3 It is a structural schematic diagram of the centrifugal separator of the present invention.

[0060] This embodiment discloses an electrolytic reduction system, such as figure 2 As shown, it includes a control device, a dissolution tank 1, a solid-liquid separation device 2, a concentration monitor 3, a flow electrolyzer 4 and a collection tank 5,

[0061] The dissolving tank 1 is provided with a dissolving tank inlet and a dissolving tank liquid outlet, and the inside or outside of the dissolving tank 1 is also provided with a heating mechanism and a stirring mechanism for accelerating the dissolution of metal or metal compound. The heating mechanism is a heating jacket arranged on the periphery of the dissolution tank 1, and heat transfer oil is arranged in the heating jacket, and the heat transfer oil is heated by electric heating to heat the soluti...

Embodiment 3

[0074] This embodiment provides an electrolytic reduction method, using the electrolytic reduction system described in Embodiment 1, comprising the following steps:

[0075] (1) Mix the solute metal or metal compound with the solvent in the dissolving tank, and the metal or metal compound reacts with the solvent to form a solution (electrolyte) containing metal ions; the heating mechanism heats the solution in the dissolving tank to 500°C and stirs Mechanism speed 30 rpm. In this embodiment, the solute is zinc oxide, and the solvent is potassium hydroxide.

[0076] (2) In the solid-liquid separation device, unreacted zinc oxide or other solid impurities in the solution are separated from the solution.

[0077] (3) Use a concentration monitor to detect the concentration of zinc ions in the solution, and adjust the voltage between the anode plate and the cathode plate in the electrolytic cell. Usually, the voltage between the anode plate and the cathode plate in the flow-type e...

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Abstract

The invention provides an electrolytic reduction system and method. The electrolytic reduction system comprises a control device, a dissolving tank, a solid-liquid separator, a concentration monitor device, a flow type electrolytic cell and a collecting tank, wherein a liquid outlet of the dissolving tank is communicated with the inlet of the solid-liquid separator; a liquid outlet of the solid-liquid separator is communicated with the inlet of the electrolytic cell; the concentration monitor device is arranged on a pipeline between the liquid outlet of the solid-liquid separator and the inlet of the electrolytic cell; the outlet of the electrolytic cell is communicated with the collecting tank; and the control device is respectively connected with voltage regulation devices of the concentration monitor device and the flow type electrolytic cell, and can control current between an anode plate and a cathode plate in the flow type electrolytic cell according to the detected solution concentration by the concentration monitor device. The invention further discloses an electrolytic reduction method. According to the invention, problems in the prior art are solved, low power consumption is realized, and the prepared electro-deposition metal has the advantages of good uniformity, high specific surface area and high activity.

Description

technical field [0001] The invention relates to electrochemical technology, in particular to an electrolytic reduction system and an electrolytic reduction method. Background technique [0002] Electrodeposition technology is a technology that uses the electrochemical process of metal or alloy to be reduced from its solution to form a deposit to realize material processing and treatment. Electrodeposition technology is suitable for the production of metals with large specific surface area, small particle size and high activity, which are suitable for the production of electrode materials. However, the current electrodeposition equipment is small and single intermittent electrolytic reduction equipment. There is no complete system equipment, and the production capacity cannot meet the needs of mass production of metal electrode materials and secondary reduction and reuse of metal electrodes. Moreover, during the operation of the commonly used intermittent electrolytic reduct...

Claims

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Application Information

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IPC IPC(8): C25C7/00
Inventor 刘伟春刘鹏飞许文
Owner 森克创能(天津)新能源科技有限公司
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