The waste acid from the manufacture of cationexchangeresin can be successfully recovered and reused by a new washing process with dilute acid instead of traditional washing process with water.
采用稀酸套洗工艺代替传统的加水稀释洗涤工艺，成功地解决了阳离子交换树脂生产中废酸的回收利用问题。
2
The sodium is removed with cationexchangeresin.
钠用阳离子交换树脂来分离。
3
Type 732 cationexchangeresin was added in nickel bath to separate nickel ions and other cations, boric acid and chloride ions were then separately titrated by sodium hydroxide and silver nitrate.