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Proportion of anion and cation between ingredients in coal preparation plant

What is the ratio of anion to cation between dosing in coal preparation plant? The calculation of the amount of polyacrylamide in different industries is different: 1, and the amount of cationic polyacrylamide for coal washing can be set at 30kg- 1 10kg; The amount of waste water used in chemical industry is usually between 50 and120kg. ...