Amine-Terminated PAN Membranes as Anion-Adsorber Materials

被引：25

作者：

Glass, Sarah ^{[1
]}

Mantel, Tomi ^{[2
]}

Appold, Michael ^{[1
]}

Sen, Sitashree ^{[2
]}

Usman, Muhammad ^{[2
]}

Ernst, Mathias ^{[2
]}

Filiz, Volkan ^{[1
]}

机构：

[1] Inst Membranforsch, Helmholtz Zentrum Hereon, Max Planck Str 1, D-21502 Geesthacht, Germany

[2] Tech Univ Hamburg, Inst Wasserressourcen & Wasserversorgung, Schwarzenberg Campus 3E, D-21071 Hamburg, Germany

来源：

CHEMIE INGENIEUR TECHNIK | 2021年 / 93卷 / 09期

关键词：

Amine modification; Anion adsorbing materials; Chromate; arsenate; PAN membranes; Water purification; DRINKING-WATER; ADSORPTION; CHROMIUM;

D O I：

10.1002/cite.202100037

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Anion-adsorbing membranes provide an interesting possibility to remove toxic arsenate and chromate from drinking water. A promising way to prepare anion-exchange materials is to introduce positively charged amine groups on polymers. In this study, polyacrylonitrile (PAN) ultrafiltration membranes were modified with amine functionalities on the membranes. The success of the modifications was demonstrated using infrared spectroscopy and zeta potential measurements. Additionally, the arsenate adsorption was analyzed. The modified membrane showed arsenate adsorption 5 times higher than the pristine PAN membrane.

引用

页码：1396 / 1400

页数：5

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