重金属螯合絮凝剂ISXA的特性及应用研究

doi:10.11894/1005-829x.2016.36(7).070

工业水处理 ›› 2016, Vol. 36 ›› Issue (7): 70-74. doi: 10.11894/1005-829x.2016.36(7).070

重金属螯合絮凝剂ISXA的特性及应用研究

刘世念¹, 杨梦凡², 齐亮², 程建华², 胡勇有²

1. 广东电网有限责任公司电力科学研究院, 广东广州 510080;
2. 华南理工大学环境与能源学院, 广东广州 510006

修回日期:2016-05-18 出版日期:2016-07-20 发布日期:2016-08-10
通讯作者: 程建华,E-mail:jhcheng@scut.edu.cn。 E-mail:jhcheng@scut.edu.cn
作者简介:刘世念(1971—),高级工程师。电话:020-85124143,E-mail:gz_liusn@163.com。

Research on the characteristics and application of the heavy metal chelating flocculant ISXA

Liu Shinian¹, Yang Mengfan², Qi Liang², Cheng Jianhua², Hu Yongyou²

1. Electric Power Research Institute of Guangdong Power Grid Co. Ltd., Guangzhou 510080, China;
2. College of Environment and Energy, South China University of Technology, Guangzhou 510006, China

Revised:2016-05-18 Online:2016-07-20 Published:2016-08-10

摘要/Abstract

摘要：

将具有螯合功能的黄原酸基和酰胺基接枝到交联淀粉分子结构中，制备了高分子重金属螯合絮凝剂ISXA。螯合絮凝实验结果表明，单独投加ISXA能够有效螯合水中游离态与络合态重金属离子。在处理含浊重金属水样时，浊度得到了明显的去除，同时提升了重金属的去除率。ISXA对重金属离子的螯合表现出明显的选择性，优先顺序为：Cu²⁺ > Pb²⁺ > Cd²⁺ > Cu-EDTA。同时对ISXA的实用性和经济性进行了评价。

关键词: 螯合, 絮凝,重金属离子, 浊度

Abstract:

The macro-molecular heavy metal chelating flocculant ISXA has been prepared by grafting xanthate and amido,which have chelating function,on to the cross-linked starch molecular structure. Chelating flocculation experimental results prove that dosing ISXA solely could effectively chelate the free state and complexed state heavy metal ions in water. While the water sample containing turbid heavy metals is treated,its turbidity can obviously be removed, and the heavy metal removing rate can be improved,as well. The chelation of heavy metal ions by ISXA shows obvious selectivity. The priority is Cu²⁺ > Pb²⁺ > Cd²⁺ > Cu-EDTA. In addition,the practicability and economic efficiency of ISXA are evaluated.

Key words: chelation, flocculation, heavy metal ions, turbidity

中图分类号:

TQ314.253

刘世念, 杨梦凡, 齐亮, 程建华, 胡勇有. 重金属螯合絮凝剂ISXA的特性及应用研究[J]. 工业水处理, 2016, 36(7): 70-74.

Liu Shinian, Yang Mengfan, Qi Liang, Cheng Jianhua, Hu Yongyou. Research on the characteristics and application of the heavy metal chelating flocculant ISXA[J]. INDUSTRIAL WATER TREATMENT, 2016, 36(7): 70-74.

https://www.iwt.cn/CN/Y2016/V36/I7/70

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