For this the paper advanced an agent with high effect,low cost and handy opera ting for getting benefit to the brine purity in the chlorine -alkali industry.

• 针对这个不足,根据研究和试验,提出了一种效果更好、成本更低、操作更简便的除钙剂,这不但对氯碱企业盐水精制带来效益,对制盐企业卤水净化也会产生积极的作用。