水厂加氯系统改造与消毒效果评价

Reconstruction of chlorination system and evaluation of disinfection effect in waterworks

针对某水厂用次氯酸钠代替液氯进行消毒的改造,对比分析了加氯系统改造前后工艺、使用成本、安全管理和使用效果等方面的差异。改造前后同时期的菌落总数和总大肠杆菌数量对比结果表明,采用次氯酸钠消毒与液氯消毒能达到同等效果,用次氯酸钠替代液氯安全可靠、有效。

Aiming at the reconstruction of sodium hypochlorite instead of liquid chlorine for disinfection in a waterworks,the differences of process,cost,safety management and application effect were compared and analyzed before and after the renovation.The results of the comparison between corresponding total bacterial count and Escherichia coli,showed that sodium hypochlorite disinfection and liquid chlorine disinfection could achieve the same effect,and it was safe,reliable and effective to replace liquid chlorine with sodium hypochlorite.