纺织洗水回用作生活杂用水的中试研究  

Pilot Study on Reuse of Textile Washing Wastewater as Domestic Miscellaneous Water

作　　者：陈思莉[1] 江栋[1] 汪晓军[2] 李开明[1] 温勇[1] 

机构地区：[1]环境保护部华南环境保护研究所,广东广州510655 [2]华南理工大学环境科学与工程学院,广东广州510006

出　　处：《中国给水排水》2009年第11期40-42,46,共4页China Water & Wastewater

基　　金：国家重大科技专项(2008zx07211-005-004)

摘　　要：采用水解酸化／接触氧化／混凝工艺处理广东佛山某大型纺织厂的纺织洗水，并经臭氧消毒后回用作生活杂用水。结果表明，当水解酸化池和接触氧化池的水力停留时间分别为15、9h，接触氧化池的气水比为8：1，聚合氯化铝（有效浓度为15％）的投加量为75mg／L时，COD从680～800mg／L降至40—50mg／L，再经3～5mg／L的臭氧消毒处理后，各项指标均达到《城市污水再生利用城市杂用水水质》（GB／T18920-2002）的要求。The hydrolytic acidification/contact oxidation/coagulation sedimentation/ozone disinfection process was used to treat the textile washing wastewater, and the treated effluent was reused as domestic miscellaneous water. The results show that the COD can be reduced from 680 - 800 mg/L to 40 - 50 mg/L when the hydraulic retention time （HRT） of hydrolytic acidification tank and contact oxidation tank are 15 h and 9 h respectively, the ratio of gas to water in contact oxidation process is 8 ： 1, and the dosage of polymeric aluminum chloride（ effective concentration of 15% ） is 75 mg,/L. After disinfection by the ozone of 3 to 5 mg/L, all indexes can meet the requirement of Reuse of Urban Recycling Water-Water Quality Standard for Urban Miscellaneous Water Consumption （ GB/T 18920 - 2002）.

关 键 词：纺织洗水 水解酸化 接触氧化 混凝 臭氧 

分 类 号：X703[环境科学与工程—环境工程]