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Specific analysis of the main function of Chromium Salt Electrolyzer

2021/10/15 10:13
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[Abstract]:
Chromium Salt Electrolyzer is composed of a tank, anode and cathode, most of which are separated by a diaphragm from the anode chamber and the cathode chamber.

Chromium Salt Electrolyzer is composed of a tank, anode and cathode, most of which are separated by a diaphragm from the anode chamber and the cathode chamber. The following Rongtai electrochemical equipment specifically introduces the main functions of the electrolytic cell.

Chromium Salt Electrolyzer

Specific analysis of the main function of Chromium Salt Electrolyzer

In the chemical industry, insoluble anodes are mostly used. In the Chromium Salt Electrolyzer, because the electrolysis temperature is much higher than that in the aqueous electrolyzer, the anode material is more stringent. The electrolyzer is electrolytically molten sodium hydroxide, generally steel, nickel and its alloys can be used. Only graphite can be used for electrolytic melting of chloride. When the cathode uses metal or alloy as the cathode, because it works at a relatively negative potential, the electrolytic cell can often play a cathodic protection function and is less corrosive, so the cathode material is easier to choose.

In an aqueous electrolysis cell, the cathode generally produces hydrogen evolution reaction, and the overpotential is relatively high. Therefore, the main improvement direction of the cathode material is to reduce the hydrogen evolution overpotential. In addition to the use of lead or graphite as the cathode when sulfuric acid is used as the electrolyte, in order to reduce power consumption, various methods are currently used to prepare cathodes with high specific surface area and catalytic activity, such as porous nickel-plated cathodes. Diaphragm In order to prevent the cathode and anode products from mixing and avoid possible harmful reactions, in the Circulation Water Electrolyzer Treatment, the cathode and anode compartments are basically separated by a diaphragm.

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