硅酸盐通报2013，Vol.32Issue(6)：1012-1016,1021,6.
纳米ZnO改性活性炭电极电吸附除盐性能的研究
Improvement of Capacitive Desalination Performance for Carbon Electrode Modified by Nanometer ZnO
摘要
Abstract
Activated carbon (AC) electrode modified by nanometer ZnO (ZnO-AC) was fabricated by sol-gel method in order to improve the electro-absorption capacity of AC electrode.The surface and electrochemical properties of ZnO-AC electrode were characterized by SEM analysis,BET test and cyclic voltammetry analysis respectively.The results show that rod-like nanometer ZnO is loaded on the surface of AC electrode.The specific surface area of the ZnO-AC electrode achieves the maxium of 1120 m2/g increasing 335 m2/g compared to that of AC electrode.The adsorption experiments show that the salt removal efficiency of KCl solution achieves the maximum of 62.25％ under the conditions of the voltage of 1.6 V,plate area of 5 cm × 5 cm,electrode spacing of 0.5 cm,flow rate of 20 mL/min and raw water conductance of 320 μs/min.The rate of desalination could be maintained after several cycles,indicating that the ZnO-AC electrode shows a good repeatability.This study gives a guide for AC electrode to be applied to capacitive deionization technology关键词
碳电极改性/纳米氧化锌/电吸附除盐Key words
carbon electrode/ nanometer zinc oxide / capacitive deionization / modification分类
资源环境引用本文复制引用
郗丽娟,李婷,郭佳,张瑛洁..纳米ZnO改性活性炭电极电吸附除盐性能的研究[J].硅酸盐通报,2013,32(6):1012-1016,1021,6.基金项目
国家自然科学基金(50978067) （50978067）
十一五水专项(2008ZX07421-002,2009ZX07424-005,2009ZX07424-006) （2008ZX07421-002,2009ZX07424-005,2009ZX07424-006）
吉林省科技发展计划项目(20116022) （20116022）
