摘要
探讨了深圳市某污水处理厂一级A尾水作为再生水补给河流过程中水质的变化情况,结果表明:氯消毒使再生水水质发生显著变化,而再生水在河流补水过程中,随着输送路程的增加,COD、NH_4^+—N和有机氮质量浓度升高,NO_2^-—N和NO_3^-—N变化不明显;TP变化受周边环境影响较大,A河流TP呈上升趋势,而B河流TP浓度降低。再生水消毒过程中有氯胺生成,并在河流补水过程中发生分解,释放NH_4^+—N。监测结果表明:污水处理厂一级A尾水可作为河流补水,且补水过程中水质波动较小,满足景观生态要求。
This study explores the water quality changes of river supplemented by reclaimed water from the first class A standard effluent of one sewage treatment plant in Shenzhen China.The results show that chlorine disinfection significantly change the quality of reclaimed water,and the concentration of COD,NH_4^+—N and organic nitrogen will increase with the increasing of distance during the process of reclaimed water supplemented into river.The changes of NO_2^-—N and NO_3^-—N are not obvious.The change of TP is influenced mostly by the surrounding environment,and the TP in A river is in increasing status,while the concentration of TP in B decreases.Chloramine has been produced during the disinfection process of reclaimed water,and decomposed during the process of river water supplement and releases NH_4^+—N.The supervising results show that the effluent of the first class A standard from the sewage treatment plan can be used as river supplement,and water quality in the process of water supplement slightly fluctuates,and satisfies the requirement of landscape ecology.
出处
《长春工程学院学报（自然科学版）》
2017年第4期64-69,共6页
Journal of Changchun Institute of Technology：Natural Sciences Edition
关键词
污水处理厂
再生水
河流补水
水质变化
sewage treatment plant
reclaimed water
river water replenishment
water quality change
