CAST、UNITANK、李凌云1, 雷 明2(1.南海发展股份有限公司,广东佛山528200;2.佛山市水业集团有限公司,广东佛山528000) : 对CAST、UNITANK和氧化沟三种二级强化生物除磷工艺的不同设计形式进行了分析,结合污水处理厂的实际运行情况,总结了设计的优缺点,同时指出了强化生物除磷工艺运营管理的控制措施。 : 强化生物除磷; 厌氧; CAST; UNITANK; 氧化沟:X703.1 :C :1000-4602(2010)02-0045-04DesignandOperationofBiologicalPhosphorusRemovalProcesses(CAST,UNITANKandOxidationDitch)LILing-yun1, LEIMing2(1.NanhaiDevelopmentCo.Ltd.,Foshan528200,China;2.FoshanWaterGroupCo.Ltd.,Foshan528000,China) Abstract: ThedesignformsofCAST,UNITANKandoxidationditchforenhancedbiologicalphos-phorusremovalareanalyzed.CombinedwiththeactualoperationoftheseprocessesinWWTPs,thead-vantagesanddisadvantagesofthedesignaresummedup.Atthesametime,controlmeasuresfortheop-erationandmanagementofenhancedbiologicalphosphorusremovalprocessesareputforward. Keywords: enhancedbiologicalphosphorusremoval; anaerobicprocess; CAST; UNI-TANK; oxidationditch 、,“”,2007—2010680×104m3/d,、,,。,,《》(GB18918—2002)B,,。,,,。,(CAST、UNITANK、),。1 CAST工艺CASTCASS,4SBR。4SBR、、4,SBR、、。SBR,1/3。,CASTSBR·45·第26卷 第2期2010年1月 中国给水排水CHINAWATERWASTEWATER Vol.26No.2Jan.2010(4),、,,。CAST,,CAST。,。1.1 SBR,,PHB。4SBR,、。1。1 SBRFig.1 Commonanaerobiczonefor4SBRs,SBR,。,。CAST,:,,,15min。SBR,,2/3,MLSS1.5,MLSS。SBR,,。,,,,。HRT2.5h,SBR1h,HRT。4SBR,,。CAST1。1 CASTTab.1 EffectofCASTwithcommonanaerobiczone 200620072008TPTNTPTNTPTN/(mg·L-1)2.4619.94.623.663.9122.35/(mg·L-1)0.289.680.259.810.27.71/%88.6251.3694.5758.5494.9565.51 ,,,4SBR,。,。1.2 SBRCASSSBR,,SBR。2。2 SBRFig.2 OneanaerobiczoneforoneSBRSBR,SBR、。SBR,,SBR。CAST,、,。SBR,,,。,,。SBR,SBR,。·46·第26卷 第2期 中国给水排水 。2 UNITANK工艺2.1 UNITANKUNITANK,UNI-TANK,,,。UNITANK,UNITANK、[1],。① UNITANK0.8m75°,,。,;,,。,(3),,,。,1/3,。3 Fig.3 Optimizationofinfluentflowintosidetank② ,(30min),,。,,NO-3-N,,UNITANK。,,,,A2/O。TPNH3-N,,。UNITANK2。2 UNITANKTab.2 EffectofconventionalUNITANK 200620072008TPTNTPTNTPTN/(mg·L-1)2.8616.573.3318.613.7920.81/(mg·L-1)0.47.610.337.980.237.88/%86549057.193.962.12.2 UNITANK,UNITANK(4)。4 UNITANKFig.4 UNITANKwithseparateanaerobiczone,,UNITANK。,,,·47·李凌云,等:CAST、UNITANK、氧化沟的生物除磷工艺设计和运行第26卷 第2期MLSS700mg/L,。,。,UNITANK。3 前置厌氧段氧化沟工艺[2]:,。,,。,,,。,、,。,、,,,。,,、,,NO-3-N,。4 结语① SBRCASTSBR,SBR、,。,。,4SBR,。② CASSSBR,,SBR,。③ UNITANK,,,,UNITANK。,,。,UNITANK。④ ,、,,NO-3-N,。:[1] ,,,.UNITANK[J].,2006,24(6):35-36.[2] ,,.[J].,2008,24(6):1-4.:15815992859E-mail:lyli80@126.com:2009-08-27(上接第44页),,H0,h。,。,,。,,,。:[1] .[M].:,1980.[2] ,,,.[M].:,1992.[3] ,.(4)[M].:,1999.:(0512)65150313E-mail:chensu63@126.com:2009-07-30·48·第26卷 第2期 中国给水排水