复合微氧水解好氧工艺处理抗生素废水祁佩时

-＊祁佩时　丁　雷　刘云芝　黄华山(,150090)　韩洪彬(,150086)　介绍了复合微氧水解-好氧工艺的工艺原理,分析了该工艺在抗生素废水处理中的特性。工程运行状况表明,该工艺抗冲击负荷能力强、环境条件好且易于管理,实现了难降解抗生素废水的综合处理。　复合　微氧　水解酸化　抗生素废水　　　　　　　　＊(Z99A11-4)0　,,、、,。,。,、、。,SO42-(MPB),。,,　　。,。,,,,,。1　,、、,,,1。1,:(1)1　CODCr(mg·L-1)SCODCODCrBOD5CODCrSS(mg·L-1)VSSSSSO42-(mg·L-1)(mg·L-1)%1400～34000.80～0.870.35～0.42280～9000.85～0.90230～870470～19602～56500～220000.85～0.900.30～0.382500～132000.87～0.95790～52501920～115807～12,、;(2);(3),,;(4)、。。2　,,。,1。3　3.1　复合水解酸化池1　-,,,。,(VFA),24　　　20062241DOI:10.13205/j.hjgc.2006.01.006、、。CODCr(30%),、。,,DO0.2～0.5mgL。,,,。,8～10h,14～16h。3.2　复合好氧生物处理系统,。,,,,,;,,;,,,,,,。4　4.1　复合水解酸化池运行效果与特征分析,2。2　%CODCrBOD5SSVFA15～202065～7628～3510～151670～8322～30　　,BOD5CODCr0.4,BOD5CODCr0.35。,,,。2,,2,BOD5CODCr20%,BOD5CODCr16%,VFA22%～35%,。,,,。ORP-50～+50mV,,。,,。,,,,。,,(1)。SO42-SRBS2-O2SO32-O2SO42-(1),(SRB)H2S,;,S2-SO42-,,。SRB,SRB。4.2　复合好氧生物系统运行效果与特征分析,。,,,DO0.2～0.5mgL;,DO2.0～3.5mgL,MLSS3000～4000mgL;,(DO),,。,,SVI,,。,,《》(GB8978-96)。3。25　　　200622413　mgL(pH)CODCrBOD5SSpH186～23513～4368～1057.6～8.03001001506～94.3　生物处理系统的启动与污泥回用2。1,,,、。,2。。,。2。,,。,,6000～9000mgL;,,,。,,,pH,pH。5　(1),-、、,。(2),,。,SO42-,SRB。(3),,,,,。(4),;,,,。(5),pH,,,。[1]　..:,2000.[2]　..,1997,18(3):83-85.[3]　..:,1996.[4]　..:,2001.[5]　DaffonchioD,etal.Contactanglemeasurementandcellhydro-phobicityofgranularsludgefromupflowanaerobicsludgebedreactors.Appl.Environ.Microbiol,1995,61(10):3676.[6]　.-.,1999.20(3):75-78.[7]　()...:,1982.　　150090　2022519　(0451)86282317E-mail　[e-mail]2005-04-15　、,20051124～28。23202,1982。105,,70,58。“,”。、、、、,。。2008。()26　　　20062241CATALYTICOXIDATIONOFNAPHTHALENE-1,5-DISULFONICACIDINSUPERCRITICALWATERLinChunmian　TaoXuewen　XuMingxianetal(7)………………………………………………………………Abstract　Naphthalene-1,5-disulfonicacidwasoxidizedinsupercriticalwaterusingMn2O3γ-Al2O3andV2O5γ-Al2O3ascatalystsinapacked-bedflowreactor.TheresultsshowedthatMn2O3γ-Al2O3andV2O5γ-Al2O3catalystshadthedesiredeffectsofacceleratingthedegradationofnaphthalene-1,5-disulfonicacid,theTOCremovalratecouldreachover90%atapressureof24MPaandatemperatureof380～440℃.ThecatalyticeffectsofMn2O3γ-Al2O3andV2O5γ-Al2O3catalystswereenhancedwithbothraisingtemperatureandreducingpHvalue,andfirstenhancedandthenabatedwiththeextensionofresidencetime.Keywords　catalyst,supercriticalwateroxidation,naphthalene-1,5-disulfonicacidanddegradationPRINCIPLEANDDESIGNOFBIOLOGICALAERATEDFILTER(BAF)PROCESSFORWASTEWATERTREATMENTZhangWenyi　ZhaiJianping　ZhengJunetal(9)………………………………Abstract　Itwasexpoundedtheprincipleofbiologicalaeratedfilter(BAF)processandthestructureofBAFbasin,andamethodofusingflyashandclayforfiltermediawasalsointroduced.Thedesign&calculationofBAFincludevolumeoffiltermedia,totalareaoffilterbasin,heightofthebasin,waterandairdistributingsystem,backwashsystemandthetouchtimeofwatertothefilter.Asanexample,adesignofmunicipalwastewatertreatment2500m3dusingBAF(DCandDN)wasintroduced.Keywords　biologicalaeratedfilter(BAF),filtermedia,wastewatertreatmentandorganicloadingTREATMENTOFEARLYANDLATELANDFILLLEACHATESBYCOMPOSITEPROCESSOFMAP-SBBRYangZhaohui　LiChen　ZengGuangmingetal(14)…………………………………………………………Abstract　Basedontheurbanlandfillleachatescharacteristicofthedailyvariationalwaterqualityalongwiththelandfillprocess,thecompositeprocessofMAP-SBBRwasusedtotreattheearlylandfillleachateandthelatelandfillleachate.ThetestresultsshowedthatundertheoptimumrunningconditionsoftheMAPandSBBR,thetotalremovalratesofNH4-NandCODCrwere99.6%and94.0%respectivelyfortheearlylandfillleachate;andthetotalremovalratesofNH4-NandCODCrwere99.3%and87.1%respectivelyforthelatelandfillleachate.MAP-SBBRprocesswassuitableforthetreatmentofeveryperiodlandfillleachate.Keywords　landfillleachate,MAP,SBBRandnitrogenremovalEXPERIMENTONTREATMENTOFBEAN-PROCESSINGWASTEWATERBYASBRPROCESSWangLiang　LiFengting　LiuHua(18)………………………………………………………………………………………Abstract　Itwasstudiedthebean-processingwastewatertreatmentusingtheanaerobicsequencingbatchreactor(ASBR).Theresultsshowedthat:Theoptimalratioofthetimeofinfluentandreactionwas2.5(hours)4.5(hours)inthisexperimentwhichmadethepHofinfluentdecreaseto5.0.SotheNaHCO3dosagewasreducedgreatly;thetreatmentefficiencydecreasedwiththedecreasingofthetemperature.TheCODCrremovalefficiencywas83.45%,73%and57.26%respectivelywhenthetemperaturewas25℃,20℃and15℃respectively.Theoptimalfrequencyofmixingwas10minh.ThereactorhadthecapacityofadaptationtotheimpactofthepH.Butthedisinfectantwasharmfultothetreatmentprocessandwasdifficulttoresume.Keywords　ASBRsystem,bean-processingwastewaterandwastewatertreatmentTECHNIQUESFORWATERQUALITYSECURITYENSURINGOFRECLAIMEDWATERUSEDINLANDSCAPEWATERHeAnqi　HeMiao　ShiHanchang(22)………………………………………………………Abstract　Therisksofreclaimedwaterusedinlandscapewaterwereanalyzed,andtreatmenttechniquesforwatersafelyreclamationwasproposed.Theresultshowsthatthemainriskcomesfromthepathologypollutants,thetoxinpollutants,theeutrophicationpollutantsandthesecondarypollutionfromsullagewhenmunicipalwastewaterisreclaimedforlandscapewater.Themajorwaterqualitystandardincludingpathogenicmicroorganism,toxicorganism,theheavymetal,theplantnutrients,