合理控制UASB改善厌氧出水水质姬巧玲

合理控制UASB改善厌氧出水水质姬巧玲1,　周培疆1,　吴新国1,　邵希豪2(1.,　430072;　2.,　430019)　:UASB,:。UASB,。:UASB12.5kg/m3.d,90%。:;　;　UASB;　:X703　　:A　　:1003-6504(2004)02-0021-03　　,、SS。,-[1]。,,,、。,。(UpflowAnaerobicSludgeBed)UASB,WageningenLettinga1972～1978。,UASB,,[2]。,UASB,。、(85%)[3]、,UASB,。,,。UASB,:,。1　1.1　厌氧颗粒污泥、,,UASB。:(1976-),,,。,,UASB,,。1.2　厌氧污泥颗粒化过程,UASB,、,。:、;;;。1.2.1　。,,;,、UASB,。,。COD17000mg/L,60%,。1.2.2　(1)COD,,,COD4000mg/L～5000mg/L,。(2)SS。,。SS2000mg/L,UASB。1.2.3　(1)UASB。UASB(20～30℃),(33～41℃)(50～55℃),。(55℃)。,。1～2VFA,·21·UASB　,DOI:10.19672/j.cnki.1003-6504.2004.02.010,UASB,。(2)pH。,pH,pH6.5～7.8。,pH,Ca(OH)2、NaHCO3。,。,,,。(3)。UASB,C∶N∶P=200∶5∶1。,,、。,Ca、Mg。,,,。1.2.4　(1)。,UASB。,,。,,17000mg/L,0.05～0.30kgCOD/m3.d,,5d50%,2.0kgCOD/m3.d。,0.60kgCOD/m3.d。,,。(2)。。,,。,0.4～1.0m3/m2.d,,,。,、、。,UASB,,。2　SS80%COD(SS)[4]。,,UASB,,。,:2.1　控制表面产气负荷、,,。,。。,,,。,4～6m,。,,,。2.2　延长固体停留时间,,,。,,UASB,。2.3　定期排放污泥1t,10kg()。,UASB,。,,。,UASB,,。,,0.5～1.5m。,,。,,,,,UASB,。2.4　轻微的搅拌和布水器的优化设置UASBHRTSRT,。,,。,,,,。,。·22·　27　2　20043,。,,。,,,。,,。2.5　厌氧消化前对酒精废醪进行预处理30000～50000mg/L,SS8000mg/L,UASB。,,。,,。25000mg/L,。,,;,,,SS80%。3　,UASB,,80%90%。,UASB。SS、pH、,;UASB、;,,UASB;。3.1　工艺流程示意如图13.2　进出水水质指标UASB;9.0～12.5kgCOD/cm3.d,pH4.5,pH7.5;COD25000mg/L,COD1500～2500mg/L,COD90%～95%;SS10000mg/L,85～90%;BOD515000mg/L,BOD5600～800mg/L。3.3　启动调试情况4:、、。UASB12,1,12kg/m3.d,COD90%,52～55℃;,,,2。4　、,、UASB、。,,UASB,、。[][1]　DriessenWJBM(PAUESBV),TailboardMH,VereijkenTLFM.Experieneonanaerobictreatmentofdistilleryef-fluentwiththeUASBprocess[J].WaterScienceandTech-nology,1994,30(12):23-28.[2]　.UASB[J].,1999,19.[3]　,,.UASB[J].,2000,26(4):31-34.[4]　.AC-AF[J].,1995,13(4):24-26.(:2002-11-26;:2003-02-10)·23·UASB　,EnvironmentalScienceandTechnologyVol.27,No.2,March2004　　　　　　　　　　　　　　　　　　　　　　　　　　　　AbstractStudyonEnrichmentofEffectiveCompoundBacteriaTIANNa,ZHULiang(NanjingUrbanPlanningandDesignInstitute,Nanjing210098)Abstract:Effectivecompoundbacteriawereenrichedbyusingcon-fectedsewageandgrocerywastewaterasculturemedium.There-sultsindicatedthat1)thegrowthcurvesofeffectivecompoundbacteriahavemultiplepeakvaluesbecauseofdifferenceofdominat-edbacteriumanditsgenerationperiod;2)thegrowthcurvesofparallelculturesolutionaredissimilarbecauseofmicroscopicacti-vatedconditionsofvariousaerobicbacteria;3)theeffectivecom-poundbacteriacanscarcelyre-existevenenrichedatthesamecon-ditions.Keywords:culturemedium;enrichment;predominantbacteriumExperimentalStudyonTreatmentandReuseSystemforDiningHallSewageJIGui-xia,ZHANGDao-fang,WANGChen,WANGYu-ping(CollegeofUrbanConstructionandEnvironmentEngineering,ShanghaiUniversityofScienceandTechnology,Shanghai200093)Abstract:Thesewagepre-treatmentforoilremovalandprecipita-tion,SBRbiochemicaltreatmentanddeeptreatmentofcoagulantprecipitationandfilteringareselectedtotreatdininghallsewage.Resultsshowthataround90%BOD5,CODandSScanbere-moved,andtheeffluentqualitycanmeetNationalWaterReuseCriteria.Keywords:dinninghallsewage;waterreuse;treatmentprocess;experimentalstudyStudyonUraniumBiosorptionbyBanyanLeavesWANGCui-ping,XUWei-chang,PANGHong-shun(SchoolofArchitecturalEngineeringandEnvironment,NanhuaUniversity,Henyang421001)Abstract:TheeffectsofpH,timeandbiosorptionconcentrationwereexaminedtostudythepropertiesofuraniumbiosorptionbyBanyanleaves.TheisothermsweredrawnandLangmuirandFre-undlichequationsdeduced.ResultsshowthathighestabsorptionisachievedwhenpHvalueis3andtimeis20minute.Quantityofabsorptionisincreasedbyincreasedconcentrationofheavymetalions.Keywords:Banyanleaves;biosorption;uraniumAnaerobicTreatmentofDistilleryEffluentwithUASBProcessJIQiao-ling1,ZHOUPei-jiang1,WUXin-guo1,SHAOXi-hao2(1.DepartmentofEnvironmentScience,WuhanUniversity,Wuhan430072;2.WuhanAcademyofEngineeringScienceandTechnology,Wuhan430019)Abstract:Thispaperdiscusseshowtoimprovewaterqualityofdis-tilleryeffluentwithUASBprocess,anddescribesthatgoodprecipi-tationofactivatedsludgeplaysanessentialroleindistilleryeffluentqualityimprovement.Keywords:distilleryeffluent;waterqualityofanaerobiceffluent;UASB;anaerobicreactorInterrelationStudyonSludgePropertyandBiologicalPhaseinUrbanWastewaterIntensifyingTreatmentZENGXiao-lan,ZHANGZhi,DINGWen-chuan,XUPing,DENGXiao-li(CollegeofUrbanConstructionandEnvironmentEngineering,ChongqingUniversity,Chongqing400045)Abstract:Experimentofintensifyingprimarytreatmentwascon-ductedtotreaturbanwastewaterwithbio-flocculationadsorptiontechnique.Sludgeprecipitationpropertyandaffectingfactorsofbi-ologicalphaseunderdifferentsludgeloadwereanalyzed.Keywords:bio-flocculationadsorption;sludgeprecipitationproper-ty;biologicalphase;urbanwastewaterHPLCStudyonElectrolyticCatalyticDegradationofOrganicPollutant:PrincipleandExperimentalResultsLINMei-qiang1,SONGWei-feng1,NIYa-ming2(1.CollegeofEnvironmentalScienceandEngineering,GuangdongUniversityofTechnology,Guangzhou510090;2.AnalysisandTestCentre,TongjiUniversity,Shanghai200092)Abstract:Highperformanceliquidchromatograph(HPLC)isin-troducedtostudyorganicdegradationmechanisminelectrolyticcatalyticsystem,withphenolusedascollectorofHO.andaromat-iccompounds.ExperimentshowedhighoxidizedHO.wasgener-at