氯化消毒剂对供水水质影响的探讨

Discussion of the influence of chlorinated disinfectants on water quality

天津滨海新区某水厂先后采用液氯消毒和次氯酸钠消毒,对产水的嗅味、暂时硬度、Na^+、溴酸盐、氯酸盐和挥发性卤代烃含量(总量)等指标进行了对比分析。对比结果表明,将液氯改为次氯酸钠消毒虽然消除了水厂的重大危险源,但是各水厂须提高对部分重要指标的关注度。

Liquid chlorine and sodium hypochlorite had been successively adopted as disinfection method for a waterworks in Binhai New Area, Tianjin. Indicators such as odor, total hardness, Na＋ , bromate, chlorate and volatile halohydroearbon （total） were comparatively analyzed. The results showed that although the disinfection process could eliminate the major hazards of the water treatment plant, but some important indicators should be taken more focusing attention when the sodium hypochlorite instead of liquid chlorine .