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    Graphite anode plate

    Time:2023.08.17Browse:1

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    Graphite anode is a graphite plate, block, or rod used as an anode for electrolytic cells in the electrolysis industry. It has characteristics such as high temperature resistance, good conductivity and thermal conductivity, easy machining, good chemical stability, strong acid and alkali corrosion resistance, and low ash content.




    There are two types of electrolysis industry using graphite anodes, one is aqueous solution electrolysis, and the other is molten salt electrolysis. In the past, the chlor alkali industry, which used to produce caustic soda and chlorine gas by electrolysis of salt water solutions, was the largest user of graphite anodes. However, the chlor alkali industry now widely uses the ion membrane electrolysis process for alkali production, and the graphite anode diaphragm method for alkali production has gradually been phased out. Therefore, the production of graphite anodes is in an extremely shrinking state. Currently, graphite anodes are only used in industries such as electrolysis, electroplating, wastewater treatment, and surface treatment.




    The raw materials and process for producing graphite anodes are basically the same as those for producing graphite electrodes, but the quality indicators are different. In order to improve the physical and chemical properties of graphite anodes, they require impregnation treatment after roasting, and their ash content requirements are much stricter than those of graphite electrodes.

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