谢 冰1, 徐亚同1, 戴兴春1, 吴 平2, 仓一华2(1.上海华东师范大学环境科学系,上海200062;2.上海石化股份有限公司环保中心,上海200540) : 为了筛选出一种既能提高常规活性污泥系统的除污效能,又能加强其抗冲击负荷能力的方法,考察了投加沸石粉的活性污泥系统对石化废水COD和氨氮的强化去除效果,研究了污泥絮体的性状和结构以及微生物DNA的多样性,探讨了沸石强化活性污泥系统对污染物去除的机理。模拟高氨氮浓度的进水对沸石强化活性污泥系统进行冲击的试验表明,沸石强化系统对氨氮的冲击比对照组有较强的耐受性;冲击后采取投加沸石粉的补救措施表明,它对于冲击造成的损伤有较好的修复效果。 : 沸石; 活性污泥; 石化废水; 强化处理:X703.1 :A :1000-4602(2004)07-0016-05StudyonPollutantsRemovalEfficiencyofZeoliteEnhancedActivatedSludgeSystemXIEBing1, XUYa-tong1, DAIXing-chun1, WUPing2, CANGYi-hua2(1.DeptofEnvironmentalScience,EastChinaNormalUniversity,Shanghai200062,China;2.SinopecShanghaiPetrochemicalCo.Ltd.,Shanghai200540,China) Abstract: Inordertoselectamethodbywhichthepollutantsremovalefficiencyofconventionalactivat-edsludgesystemcanbeimprovedanditsshockresistancecapacitycanbeupgraded,investigationwasconduct-edontheeffectofzeoliteenhancedactivatedsludgesystemonremovalofCODandammonianitrogenfrompetrochemicalwastewater;andstudywasmadeoncharacterandstructureofsludgeflocanddiversityofmicro-bialDNA,aswellasitsmechanismofpollutantsremoval.Also,simulationwascarriedouttotheshockloadingofinfluentwithhighammoniacontentonthezeoliteenhancedactivatedsludgesystem.Testresultsshowthatthezeoliteenhancedsystemhasmuchstrongerresistancetoshockloadingthanthatofthecontrolsystem.Theremediationmeasurestakenbyadditionofzeoliteindicatethatthezeoliteenhancedactivatedsludgesystemhasgoodeffectonrepairingthedamagerisingfromshockloading. Keywords: zeolite; activatedsludge; petrochemicalwastewater; enhancedtreatment :(02JG05030); 14×104m3/d,,,,,。,,·16· 2004Vol.20 CHINAWATER&WASTEWATER No.7。,,。Cs+、NH+4K+,[1]。,,,。1 试验材料与方法1.1 ,1。1 Tab.1 Thewaterqualityofinfluentmg/LCODBOD5NH4-NTN400~550120~15030~5040~601.2 2,,(1)。××100cm×18cm×14cm。,4.5L/h,5.5h,50%,15d,2.6h。1 Fig.1 Schematicdiagramofsmall-scaletest,25mg/L50mg/L,,,DNA,55mg/L(COD2116mg/L、pH11.2)50mg/L,4h1.5h,;,145mg/L2h,(50mg/L),。1.3 、,COD、BOD5、NH+4-N、TN、SS;SV30、SVI、AUR(),[2、3]。,,[4],13。2 结果与分析2.1 ① CODCOD2。2 CODFig.2 EffectofzeoliteadditiononCODremoval2,COD,50mg/LCOD10%,COD。② ,(3),,15%。,(4)TN(5)。,,,·17·2004Vol.20 No.7。,50mg/L,TN25mg/L50mg/L。3 NH+4-NFig.3 EffectofzeoliteadditiononNH+4-Nremoval4 NO-3-NFig.4 EffectofzeoliteadditiononeffluentNO-3-N5 TNFig.5 EffectofzeoliteadditiononeffluentTN③ ,,6、7:SV30SVI,SVI。,,,,。6 SV30Fig.6 ChangesofSV30withzeoliteaddition7 SVIFig.7 ChangesofSVIwithzeoliteaddition,AUR(8),,。,。8 AURFig.8 ChangesofAURwithzeoliteaddition④ DNA,DNA·18·2004Vol.20 No.72。2 Tab.2 Themolecularecologicalanalysisofsludgesamples 0.740.631.0225mg/L0.880.861.1750mg/L0.980.841.17 2,,,,,。,50mg/LCOD25mg/L,50mg/L。2.2 ① 4hCOD9。9 CODFig.9 EffectofshockofhighNH+4-NconcentrationonCODremoval9,50mg/L,COD,4~16h。C/N。,COD5%~8%。10。10 Fig.10 EffectofshockofhighNH+4-NconcentrationonNH+4-Nremoval 10,,,,,,20h,,,24h,。,3%~12%。SVI11。11 SVIFig.11 EffectofshockofhighNH+4-NconcentrationonSVI11,SVI,SVI。,50mg/L,SVI。② 4hpH,NH+4NH3·H2O,NH+4。,NH+4-N,CODSS。,。pH。·19·2004Vol.20 No.72.3 COD、12、13。12 CODFig.12 ChangesofCODremovalwithzeoliteaddedforrecoveryofthesystem13 Fig.13 Changesofammoniumremovalwithzeoliteaddedforrecoveryofthesystem12、13,(145mg/L)2h,,,10h,,COD20h;(50mg/L),,,,,。3 结论① ,50mg/LCOD10%,15%。,(50mg/L)COD5%~8%3%~12%。pH,。② ,,。,DNA、。③ ,50mg/L,。:[1] JorgensenTC,WeatherleyLR.Ammoniaremovalfromwastewaterbyionexchangeinthepresenceoforganiccon-taminants[J].WatRes,2003,37:1723-1728.[2] .(4)[M].:,2002.[3] KristensenGH,JorgensenPE,HenzeM.CharacterizationoffunctionalmicroorganismgroupsandsubstrateinactivatedsludgeandwastewaterAUR,NURandOUR[J].WatSciTech,1987,25(6):43-57.[4] ,.DNA[J].,2003,22(6):18-24.:(1968- ), , , , , 。:(021)62233670E-mail:bxie@des.ecnu.edu.cn:2004-02-23本期责任编辑: 江 荣 编辑: 衣春敏 孔红春 王领全·20·2004Vol.20 No.7