杭州市南星水厂O_3/BAC工艺的运行效果分析  

Analysis on Operation Efficiency of O_3/BAC Process in Hangzhou Nanxing Water Treatment Plant

作　　者：张磊[1] 陈士才[1] 

机构地区：[1]杭州市水业集团有限公司,浙江杭州310009

出　　处：《中国给水排水》2006年第17期42-45,共4页China Water & Wastewater

摘　　要：杭州市南星水厂深度处理一期工程采用预臭氧、常规处理、后臭氧、生物活性炭工艺。结合生产性试验确定了预臭氧及后臭氧段的臭氧投量分别为0．30～0．60mg／L和1．50～1．70mg／L。工程投产后的运行结果表明：O、／BAC工艺对微污染源水的处理效果良好，对浊度、CODM。NH4^＋-N、NO2^--N的去除率分别为99．2％、（57％～77％）、（61％～99．7％）、（-25％～99．74％），出水浊度〈0．2NTU、色度〈3倍，CODMn、NH4^＋-N、NO2^-N分别为0．48～1．57mg／L及0．237、0．053mg／L以下；季节对O3／BAC工艺的净化效果影响较大，春、夏、秋季的除污效果较好，冬季的相对较差。深度处理工艺的制水成本为0．561元／m^3，较常规工艺的（0．447元／m^3）仅增加约0．114元／m^3。Advanced treatment process, including pre-ozonation, conventional treatment process, post-ozonation, and biological activated carbon filter, is applied in the reconstruction project of Nanxing Water Treatment Plant. Productive test shows that ozone dosage in pre-ozonation and post-ozonation process is 0.30 -0.60 mg/L and 1.50 - 1.70 rag/L, respectively. Operation results indicate that O3/ BAC process has good purification effect for micro-polluted source water. Turbidity, color, CODMn, NH4^＋ -N, NO2^- -N in treated water are 〈0.2 NTU, 〈3 degrees,0.48 - 1.57 mg/L, 〈0.237 mg/L, 〈0.053 mg/L, respectively. Accordingly, the removal rates are 99.2%, 86.4% -95%, 57% - 77% , 61% -99.7% , -25% -99.74%. Temperature has influence on treatment effect, pollutants removal rates are lower in winter. The production cost is 0. 561 yuan/m^3 , which is 0.114 yuan/m^3 higher than that of conventional process.

关 键 词：给水厂 深度处理 O3/BAC 

分 类 号：TU991.2[建筑科学—市政工程]