摘要
为解决南方河网地区给水厂常规处理工艺出水中细菌和有机物超标等问题,进行了超滤膜处理滤后水的试验研究,结合O3—BAC工艺生产数据,对比分析两种深度处理工艺的效能。研究表明:O3—BAC工艺出水溶解性总有机碳(DOC)、高锰酸盐指数(CODMn)和UV254平均值分别为3.76mg/L、2.51mg/L和0.053cm-1;超滤膜工艺出水DOC、CODMn和UV254均值分别为3.95mg/L、2.85mg/L和0.071cm-1。超滤膜工艺出水浊度小于0.1NTU,粒径>2μm的颗粒物为9～17个/mL,对细菌的去除率达到100%;O3—BAC工艺出水平均浊度为0.25NTU,细菌数和颗粒数较高且波动较大。O3—BAC和超滤膜深度处理工艺分别增加运行成本0.21元/m3和0.187元/m3。
In order to solve the problems that bacteria, alga, and organic matters in the water treatment plant effluent exceed standards after conventional process in the southern China river network area, the experimental study on the effluent from ultrafiltration. Combined with the production data of the O3--BAC, the efficiency difference between ultrafilation and O3--BAC was analyzed. The results showed： the average DOC, CODMn, and UV254 were 3. 76 mg/L, 2.51 mg/L and 0. 053 cm^-1 in the O3-BAC effluent; and so were 3.95 mg/L, 2.85 mg/L and 0. 071 cm^-1 in the UF effluent. The average turbidity was less than 0.1 NTU, the particles with diameter bigger than 2 μm were 9-17 ceil/mL, and the removal rate of the bacteria reached 100% in the UF effluent; the average turbidity was 0.25 NTU, the number of bacteria and particles had a larger fluctuation in the O3-BAC effluent, which affected the biological safety of the water. The operation cost of the O3--BAC and UF increased 0. 21 YUAN/ma and 0. 187 YUAN/m^3 respectively.
出处
《给水排水》
CSCD
北大核心
2009年第9期22-26,共5页
Water & Wastewater Engineering
基金
国家水体污染控制与治理科技重大专项(2008ZX07422-005)
国家科技支撑计划(2007BAC26B03)
关键词
饮用水
常规工艺
深度处理
O3-BAC
超滤膜
Drinking water
Conventional process
Advanced treatment
O3--BAC
Ultrafiltration membrane
