城市中水再生利用研究  

Experimental Study on the Recycling of Reclaimed Water in Cities

作　　者：马洁 曹永哲 康树珍 于志宝 

机构地区：[1]天津市格瑞花苗木经营有限公司,天津300000

出　　处：《安徽农业科学》2009年第6期2686-2689,共4页Journal of Anhui Agricultural Sciences

摘　　要：[目的]探索天津市中水再生利用的有效途径。[方法]对高尔夫球场的湖泊、环沟场的中水进行了自然净化试验,并在室内水族箱中进行了人工控制试验。[结果]随着中水在蓄水池、环沟到东湖的逐级净化,氨氮由1.67 mg/L下降至1.38 mg/L,硝酸态氮由9.43 mg/L下降至4.19 mg/L,亚硝酸态氮由0.18 mg/L下降至0.07 mg/L,无机氮由11.28 mg/L下降至5.68 mg/L,总磷由2.36 mg/L下降至1.93 mg/L,磷酸盐磷由0.51 mg/L下降至0.33 mg/L;浮游植物由5.80×106个/L上升到7.98×106个/L,浮游动物由0.64个/L上升到0.82个/L,细菌由6.73×106个/L上升到3.79×107个/L。对无机氮的去除效果为:东湖>环沟2>环沟1>西湖,对总磷的去除效果为:东湖>西湖>环沟1、环沟2,对磷酸盐的去除效果为:西湖>东湖>环沟2>环沟1,对COD的去除效果为:环沟2>环沟1>东湖>西湖。[结论]净化后中水的水质指标达到了"景观环境用水(河道类)的再生水水质标准"。[Objective] The aim was to explore the effective approach of recycling reclaimed water in Tianjin City. [ Method ] The natural clarification experiment was performed on the reclaimed water of the lakes and ring ditch fields in golf course and the artificial control experiment was performed in indoor aquarium. [ Result ] As the reclaimed water was clarified gradually through reservoir, ring diteh and east lake, the ammonia nitrogen was reduced from 1.67 mg/L to 1.38 mg/L, the nirate nitrogen was reduced from 9.43 mg/L to 4.19 mg/L, the nitrite nitrogen was reduced from 0.18 mg/L to 0.07 mg/L, the inorganic nitrogen was reduced from 11.28 mg/L to 5.68 mg/L, the total phosphorous was reduced from 2.36 mg/L to 1.93 mg/L and the phospilate phosphorous was reduced from 0.51 mg/L to 0.33 mg/L; the amount of phytoplankton was increased from 5.80 ×10^6/L to 7.98 × 10^6/L, the amount of zooplankton was increased from 0.64/L to 0.82/L and the amount of bacteria was increased from 6.73 × 10^6/L to 3.79 × 10^7/L. The removal effects on inorganic nitrogen were as follows： east lake 〉 ring ditch 2 〉 ring ditch 1 〉 west lake, that on total phosphorous were as follows ： east lake 〉 west lake 〉 ring ditch 1 and 2, that on phosphate were as follows ： west lake 〉 east lake 〉 ring ditch 2 〉 ring ditch 1 and that on COD were as follows ： ring ditch 2 〉 ring diteh 1 〉 east lake 〉 west lake. [ Conclusion ] The indices of water quality of clarified reclaimed water reached the water quality standard of reeyeled water of water for scenic environment use （watercourse）.

关 键 词：再生利用 氨氮 硝酸态氮 浮游植物 净化 

分 类 号：X703[环境科学与工程—环境工程]