城镇污水处理厂一级A稳定达标的工艺流程分析与建议郑兴灿0dbfa0e13186bceb19e8b

24Vol35No52009A郑兴灿尚巍孙永利廖飞凤游佳李鹏峰黄鹏宁冰(,300074)依据江苏省太湖流域多座城镇污水处理厂实际运行情况的调查分析,特别是进水水质特性和出水达标情况的分析研究,结合太湖流域城镇污水处理厂一级A提标的除磷脱氮技术改造需求,总结分析了城镇污水处理厂一级A稳定达标所需的代表性工艺操作单元选择,在此基础上,提出了适合城镇污水处理厂一级A稳定达标处理的基本工艺流程和扩展工艺流程,阐述了工艺流程中各工艺单元的组合方式关键控制参数和设计选择重点城镇污水处理厂深度处理除磷脱氮提标改造工艺流程太湖流域0200621[1],,(GB189182002)AA,GB189182002,A,,,A,[2],,A,A,(TNNH3NCODCrTP)A,,1A,(CODCrBOD5)(2006BAC19B05),TNNH3N(),/,(),1A(),,,,,,,,2A[3],,1,1AVol35No52009251():;:::;::,,;:,:,:,:;;,,,:;:;:;:1AA,,(MBR),(1mm)SS/BOD5,,,,,A,TNNH3N,,(A2/O)[4],:(1)15d,,12~20d,(10)(2)(),,,(3~101.5),NH3N,,NH3N(3)TN,,;,()(4),,,;(),26Vol35No52009,TN(5),,,,TNNH3NA,CODCrBOD5SSTP,CODCrBOD5SSTP,,TNNH3NA,,TNNH3N,SS,,(),1mg/L3mg/LMBR,,,,,,3A3.1A:-()--TNNH3NA,CODCrB,BOD512mg/L,()(1)---,,,SS,,(2)--;,,,(3)-;,,,,3.2,,;TP3NTU,,,,:(1),(2),,,(3)()2,1,(4),,,(5),,Vol35No5200927(6),(7),,,5min,,(8),,,(9),30s,20~45min3.3A,TP,,,,--,,3.4,:,;;;()()(),:(1):E.coli,,,,pH,,,(2):,,,,;,,,(3):UV,,UVUV,,UV,4,A:-()-,,SS,4.1,,SS,10NTU,,,2~3,28Vol35No52009,,,,10~20min,,2~4h,1~10mm/s,0.4~0.6mm/s,4.2(),,:(1)0.2m0.1~0.2m(2),;,(500m)(3);,(4),,,:30~60min,:20~40d(5)0.5NTU4.30.2m,,0.2m(),,,3MPN/L55.1,TNNH3NA,TPCODCrBOD5A,,A,5.2A-()-A,:,,,,,TN,CODCr,,,,,,,[5],,,,()BOD5,()参考文献1.200621(GB189182002),2006,52,..,2003,29(9):89~943..,2007(7):110~1114..,2000,26(5):1~45.A.,2008(14):14~15&:[phone]Email:[e-mail]:20090208