Operation practice of salt crystallization of high salt wastewater in coal chemical industry
The operation process of a salt crystallization unit for high salt wastewater in coal chemical industry and the index requirements after salt separation were introduced.In view of the problems in operation of the salt separation crystallization unit,such as unreasonable sodium carbonate injection point in the high-density pool,difference in the concentration of pharmaceutical preparation,poor condensate recovery in the evaporative crystallization unit,small evaporation amount of evaporator and crystallizer,and frequent heating of the frozen crystallizer,the corresponding measures were put forward,and the key points of control in operation and management of the salt separation crystallization unit of high salt wastewater were summarized.
coal chemical industryhigh salt wastewatersalt crystallizationoperation control
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