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[1]李云飞,赵元勋,阮耀阳,等. 离子交换树脂对磷矿浸出液中Ca2+/Mg2+的吸附性能研究 [J].武汉工程大学学报,2026,48(04):373-379.[doi:10.19843/j.cnki.CN42-1779/TQ.202507003]
　LI Yunfei,ZHAO Yuanxun,RUAN Yaoyang,et al. Investigation on the adsorption performance of ion-exchange resins for Ca2+ and Mg2+ in phosphate rock leachate [J].Journal of Wuhan Institute of Technology,2026,48(04):373-379.[doi:10.19843/j.cnki.CN42-1779/TQ.202507003]
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离子交换树脂对磷矿浸出液中Ca2+/Mg2+的吸附性能研究
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
48
期数:
2026年04期
页码:
373-379
栏目:
磷化工论坛
出版日期:
2026-08-30

文章信息/Info

Title:
Investigation on the adsorption performance of ion-exchange resins for Ca2+ and Mg2+ in phosphate rock leachate
文章编号:
1674 - 2869（2026）04 - 0373 - 07
作者:
李云飞1; 赵元勋1; 阮耀阳2; 李小娣*1
1.武汉工程大学化学与环境工程学院, 湖北 武汉 430205；
2.武汉工程大学资源与安全工程学院，兴发矿业学院, 湖北 武汉 430205
Author(s):
LI Yunfei1;  ZHAO Yuanxun1;  RUAN Yaoyang2;  LI Xiaodi*1
1. School of Chemistry and Environmental Engineering,Wuhan Institute of Technology,Wuhan 430205,China;
2. Xingfa School of Mining Engineering, School of Resourese & Safety Engineering, Wuhan Institute of Technology,
Wuhan 430074,China
关键词:
离子交换树脂; Ca2+/Mg2+; 吸附性能; 湿法磷酸
Keywords:
ion-exchange resin;  Ca2+/Mg2+;  adsorption performance;  phosphoric acid by wet process
分类号:
X703.1;TQ028.3
DOI:
10.19843/j.cnki.CN42-1779/TQ.202507003
文献标志码:
A
摘要:
在湿法磷酸生产过程中，大量杂质金属离子会随着磷矿的分解迁移至酸解液中，严重影响磷酸纯度及下游产品质量，采用离子交换树脂深度去除磷矿酸浸液中的金属杂质离子。结果表明：PM901树脂对Ca2+、Mg2+具有优异的吸附性能，其最大吸附量分别为66.24和38.30 mg/g，吸附符合Langmuir模型，为单层吸附。PM901树脂能快速捕获Ca2+、Mg2+，吸附过程可在60 min之内完成，且吸附几乎不受pH值影响，经5次循环利用后仍能维持其原有的吸附性能。机理分析表明，PM901树脂对Ca2+、Mg2+的吸附机理为化学吸附和离子交换。
Abstract:
In the production of phosphoric acid through wet process, numerous metal ions impurities are released during the acidolysis of phosphate rock and enter the leachate, seriously reducing the purity of phosphoric acid and deteriorates the quality of downstream products. In this study, ion-exchange resin was adopted for the deep removal of Ca2+ and Mg2+ impurities from phosphate rock leachate, and its adsorption performance and mechanism were systematically investigated. Results showed that the PM901 resin possesses excellent adsorption performance toward Ca2+ and Mg2+, with maximum adsorption capacities of 66.24 mg/g and 38.30 mg/g, respectively. The adsorption process conforms to the Langmuir isotherm model, demonstrating a typical monolayer adsorption behavior. The PM901 resin can rapidly capture Ca2+ and Mg2+, reaching adsorption equilibrium within 60 min, and the adsorption efficiency is barely affected by pH of the solution. After five adsorption-desorption cycles, the resin maintained stable and favorable adsorption performance. Mechanistic analysis indicated that the adsorption of Ca2+ and Mg2+ on PM901 resin is simultaneously dominated by chemical adsorption and ion exchange interactions.

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备注/Memo

备注/Memo:
收稿日期：2025-07-27
基金项目: 国家重点研发计划项目(2022YFC2904701，2022YFC2904702)
作者简介：李云飞，硕士研究生。Email：yunfeili0.0@qq.com
*通信作者: 李小娣，博士，副教授。Email: xiaodipen@163.com
更新日期/Last Update: 2026-09-05