摘要
本文通过对碱性树脂D201、D301和PVP对对羟基苯甲酸的吸附性能动力学性能、离子强度和盐浓度对其吸附机理的影响进行研究,结果表明:三种树脂对对羟基苯甲酸都有很好的吸附效果,对羟基苯甲酸在三种树脂上的吸附行径均适用于lagergren准一级动力学吸附方程,离子强度和盐浓度的增加都不利于三种树脂对对羟基苯甲酸的吸附。
The adsorption kinetics of p-hydroxy benzoic acid onto D201,D301 and PVP were studied in this paper.The influence of ionic strength and salt concentration on the adsorption rate was explored through calculating and discussing the adsorption kinetics.The results showed that the resin had good adsorption effect to p-hydroxy benzoic acid,pseudo-first order kinetics could fit the adsorption behavior perfectly.The results showed that the increase of ionic strength and salt concentration were disadvantageous to these resin.
关键词
碱性树脂
对羟基苯甲酸
吸附动力学
p-hydroxy benzoic acid
adsorption kinetics
adsorption resin
