[China Aluminum Industry Network] 1 lack of cyanide and hydroxide;
2 There are insufficient impurities or additives in the solution;
3 excessive accumulation of carbonate;
4 light electrolyte used too long.
Approach:
1 Supplementary cyanide and hydroxide;
2 add additives;
3 Add crucible crucible or reduce the temperature to crystallize the carbonate, then filter the electrolyte to remove;
4 If the light emitting electrolyte is used for too long, it is recommended to replace the light emitting electrolyte.
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