Ion-exchange studies in the removal of polybasic acids. Anomalous sorption behavior of phosphoric acid on weak base resins

被引：6
|
作者：
Bhandari, VM [1 ]
Juvekar, VA [1 ]
Patwardhan, SR [1 ]
机构：
[1] INDIAN INST TECHNOL,DEPT CHEM ENGN,MUMBAI 400076,INDIA
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 1997年 / 32卷 / 15期
关键词：
ion exchange; acid sorption; weak base resin; modeling; wastewater treatment;
D O I：
10.1080/01496399708000781
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Sorption behavior of phosphoric acid on the weak base resins Amberlite IRA-93 and Dowex WGR-2 is reported. Studies on sorption equilibria and dynamics reveal anomalous sorption behavior as compared to sorption of strong and weak monobasic acids. A mathematical treatment is developed to correlate the experimental data on sorption dynamics. An alternative type of mechanism is also proposed based on the results obtained in this work to explain the anomalous sorption behavior of phosphoric acid on weak base resins.
引用
收藏
页码：2481 / 2496
页数：16
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