摘要:本文简要介绍了去除水中硝酸盐的几种方法,包括化学脱氮、催化脱氮、反渗透、电渗析、离子交换、生物脱氮等。在此基础上,重点论述了离子交换技术去除水中硝酸盐的原理、方法及应用现状,并与其他方法进行了比较。 关键词:硝酸盐 水处理 离子交换 脱氮 Removal of nitrate from water and wastewater Wang Jianlong (State Key Joint Laboratory of Environment Simulation and Pollution Control,Department of Environmental Science and Engineering, Tsinghua University, Beijing 100084 ) Abstract Several denitrifying techniques, including chemical denitrification, catalytic denitrification, reverse osmosis, electrodialysis,
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