In this paper, the strong acidion exchange resins have been studied as the solid-acid catalyst for the esterification of 4-hydroxybenzoic acid.
本文研究了一种固体酸催化剂—阳离子交换树脂催化剂，用于对羟基苯甲酸的酯化反应。
2
In this study trimethyl amine was reclaimed from amination wastewater by using 001 hydrogenous strong-acidion exchange resin. The recovery ratio is more than 90%.
本文采用001氢型强酸性阳离子交换树脂从胺化废水中回收三甲胺，回收率大于90%。
3
The catalyst system consists of solid strong acidion exchange resin, organic solvent and copper powder in certain proportion, and the reacted catalyst system may be recovered for reuse.