Conducting polymers as ion-exchangers for water purification
Conducting polymers as ion-exchangers for water purification
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DOI：
10.1016/s0013-4686(01)00754-x
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发表时间：
2001-12-03
影响因子：
6.6
通讯作者：
Jüttner, K
中科院分区：
文献类型：
--
作者：
Weidlich, C;Mangold, KM;Jüttner, K
导电聚合物（例如聚吡咯）的充电和放电过程伴随着离子交换。这种效应被用于开发用于水净化的电化学可切换离子交换器，特别是用于软化饮用水。电化学和化学制备的聚吡咯（PPy）的离子交换行为和容量的依赖于纳入抗衡离子的特点是使用电化学石英晶体微天平和循环伏安法。在实验室回路中测试了基于改性PPy纳米颗粒的离子交换电极。通过原子吸收光谱法和离子选择性电极研究了处理的测试溶液的离子浓度相对于软化饮用水的应用。(C)2001爱思唯尔科技有限公司版权所有。
The charging and discharging processes of conducting polymers, e.g. polypyrrole, are accompanied by the exchange of ions. This effect was used for the development of an electrochemically switchable ion-exchanger for water purification, especially for softening drinking water. The ion-exchange behaviour and capacity of electrochemically and chemically prepared polypyrrole (PPy) in dependence on the incorporated counterions are characterised using an electrochemical quartz crystal microbalance and cyclovoltammetry. An ion-exchanger electrode based on modified PPy-nanoparticles was tested in a laboratory loop. The ion concentrations of the test solutions treated were investigated by atomic absorption spectroscopy and ion-selective electrodes with respect to an application for softening drinking water. (C) 2001 Elsevier Science Ltd. All rights reserved.