离子膜法烧碱系统硫酸钡回收改造方案

Remolding plan on recovery of barium sulfate from ion-exchange membrane caustic soda system

介绍了河北沧州大化集团黄骅氯碱有限责任公司离子膜法烧碱生产过程中产生的硫酸钡的回收利用改造工艺。改造后,降低了运行成本,减轻了盐水沉降器的负荷,减少了"三废"排放量。

The remolded process for recycling of barium membrane caustic soda in Huanghua Chlor-Alkali Co., introduced. The remolding decreased operation cost, load of sulfate formed in production of ion-exchange Ltd. of Hebei Cangzhou Dahua Group was brine settler, and discharge of ＂three wastes＂.