【摘要】 在天津市某水厂进行了新型安全氯化消毒工艺———短时游离氯后转氯胺的顺序消毒工艺的中试,结果表明,进水相同时安全氯化消毒工艺比传统的游离氯消毒工艺产生的三卤甲烷减少了35.8%～77.0%,卤乙酸减少了36.6%～54.8%。消毒接触池进水水质越差,短时游离氯后转氯胺的顺序消毒工艺在控制消毒副产物方面就越有优势。试验中还获得了含较高浓度溴离子原水的消毒副产物生成特性。更多还原

【Abstract】 Pilot-scale test was carried out for the new type combined chlorine disinfection—short-term free chlorine plus chloramines disinfection process in a water treatment plant in Tianjin.The result shows that in the case of the same influent,trihalomethane and haloacetic acid produced in the safe-chlorine-disinfection process are respectively 35.8%-77.0% and 36.6%-54.8% lower than those in conventional free chlorine disinfection process.The poorer influent quality in disinfection contact tank results in the more advantages of the short-term free chlorine plus chloramines disinfection process in the control of disinfection byproducts.In the test,formation characteristics of disinfection byproducts is observed in raw water with higher bromide ion concentration.更多还原