摘要
化学需氧量(CODCr)是水质检测中一个重要分析参数。它反映了水体受有机物污染的程度。不过,当前COD检测所采用的标准方法存在耗时较长、氧化效率不高、Cl-干扰及对环境容易造成二次污染等问题。近年来,基于高级氧化过程的光化学氧化方法取得了较大的进展,具有耗时少、环境相对友好和结果更加可靠等特点。本文对光化学氧化技术测定水中COD的分析方法进行评述,为水环境污染治理提供参考。
Chemical oxygen demand(COD)is a critical analytical parameter in water quality testing. It represents the degree of organic pollution in water bodies. However, the standard analytical methods for COD are timeconsuming and possess low oxidation efficiency, chloride interference, and severesecondary pollution. During the last two decades, have resulted in several technologies,including new technologies ormethods(e.g., photo-oxidative methods based on advanced oxidation processes)that areless time-consuming, environment friendly, and more reliable. This review is devoted in analyzing thetechnical features of the new methods described in the literature.
作者
郭清
鲍立新
GUO Qing;BAO Li-xin(Wuxi Taihu Water Co., Ltd., Wuxi 214000,China)
出处
《化学工程师》
CAS
2019年第7期73-76,共4页
Chemical Engineer
关键词
高级氧化过程
化学需氧量
有机污染物
水
advanced oxidationprocesses
chemical oxygendemand
organic pollution
water
