The waste acid from the manufacture of cation exchangeresin 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
When the fixed bed continuous process is used, the appropriate catalyst is strong acid cation exchangeresin.
当采用固定床连续甲酯化反应时，适宜的催化剂为强酸性阳离子交换树脂。
3
Ion exchange equilibrium of neutral amino acids on 732 strong acid cation exchangeresin in non buffer systems were studied and an equilibrium model was proposed.