二段BAF工艺处理炼油废水研究钟华文

二段BAF工艺处理炼油废水研究钟华文1,　廖艳1,　张钧正2,　何东升2(1.,　525000;　2.,　525000)　:,。,4.5h,、、NH3—Nⅴ,COD,,。,。:;　;　:X785　　:A　　:1003-6504(2004)02-0084-03　　、、COD、NH3—N,,“”,,A-O、O-O、SBR,,,、、、NH3—N。(Biolog-icalAeratedFilter,BAF)。1　1.1　工艺参数NH3—N[1];NH3—N,BAF:BAF、COD,BAF,BAFBAFNH3—N。BAF1。1　BAFBAFBAFHRT/h2.52.04.0～8.04.0～6.0DO/mg·L-12.0～4.03.0～4.5/℃25～3725～37pH6.5～8.07.0～8.01.2　曝气生物滤池滤料BAF。、:(1967-),,,,。10,6。、,、[2]。、BAF,BAF,:3～5mm,1.55g/cm3,42.4%;BAF:2～4mm,1.58g/cm3,40.1%。1.3　微生物的培养和驯化BAF();BAF()。;,,;DO3～5mg/L,Na2CO3pH7.0～8.0,。3d,;,15d,4,、、,,、、,,。2　2.1　二段BAF工艺对污染物的去除2BAFCOD、、。2　/mg·L-1/mg·L-1/%/mg·L-1/%/%COD36588.175.953.739.085.324.82.7089.10.6277.097.53.660.3690.20.0488.998.9NH3—N27.227.4～01.0596.296.1　　2,BAF,NH3—N,BAF;,CODⅤ[3]。·84·　27　2　20043DOI:10.19672/j.cnki.1003-6504.2004.02.0362.2　一级BAF的有机物降解动力学分析BAF(COD);1COD160～550mg/L,CODCOD。1,,,Monod[4],。,BAF,1.2～4.0kg/m3·d,4～8。1y=0.0082x-0.3262,y=0,:x=39.8mg/L,;COD54.6mg/L,BAF,,。2.3　二级BAF的NH3—N降解动力学分析NH3—N,NH3—N,,NH4ClNH3—N,BAFNH3—N,NH3—NNH3—N,2。2:NH3—N025～30mg/L,,;25～30mg/L55～65mg/L,Monod;65～70mg/L,,Monod,,[4]:,。NH3—N,NH3—NMonod,NH3—N,,NH3—N60～70mg/L,NH3—N,,NH3—N180～200mg/L,,,。2.4　影响二级BAF硝化的因素(1)　35℃,5℃;28℃,20℃,[1]。,BAF38℃25℃,。(2)pH　H+,Na2CO3pH。pH7.0～8.0,6.5NH3—N,8.0,pH,。(3)DO　,,BAFDO3.0mg/L,DO3.0mg/L,NH3—N。(4)　。,3mg/L,2d,NH3—N;,。2.5　系统的反冲洗,,,BAF。、,,[5〗。BAF,,,24～36h;BAF,,,,2～3d。BAF—,。:45～60m3/m2·h,20～30m3/m2·h,30min;:30～45m3/m2·h,15～20m3/m2·h,20min。3　BAF,·85·BAF　,4.5h、4～8h,《(GB8978-1996)》,、、NH3—NⅤ,,,。[][1]　.A/O[J].,1999,30(2):38-41.[2]　.[J].,2002,22(4):459-464.[3]　.(2)[M].:,2002,348.[4]　.(2)[M].:,1993,55-60.[5]　.[J].,1999,20(6):49-52.(2003-04-28;2003-06-25)(上接第26页)(3)SV30:,;,,。(4),。4　SV30SVISV30(%)SVISV301998-02-2015.080.251998-02-2115.078.531998-02-2214.580.781998-02-2315.083.011998-02-2416.581.281998-02-2514.575.751998-02-2621.086.921998-02-2716.583.761998-03-0317.585.081998-03-0712.067.641998-03-0915.579.6980.27(1),,30min,。(2),,。(3),。5　SV30SVISV30(%)SVISV301998-07-1816.571.271998-07-1914.568.171998-07-2015.570.231998-07-2111.060.981998-07-2214.064.611998-07-2319.074.771998-07-2414.068.361998-07-2514.566.0914.968.06(1),,,。(2),,。(3),。2.4.2　(1),,;,,。(2)、,,(12℃),;,(27℃),[4]。,、。3　(1)≥2kgBOD/kgMLSS·d,HRT18min90min,SVI,SV30,、;5.00kgCOD/kgMLSS·d,,、;0.2mg/L2.5mg/L,SVI,SV30,,,,。(2),,;,,、,。[][1]　.[J].,1997,2.[2]　,.()[M].:,2000,9.[3]　.()[M].:,[4]　,.()[M].:,1988.(:2003-01-10;:2003-06-23)·86·　27　2　20043EnvironmentalScienceandTechnologyVol.27,No.2,March2004　　　　　　　　　　　　　　　　　　　　　　　　　　　　AbstractAbstract:Anaerobicandaerobicmicroorganismwasculturedtobiochemicaltreatheparinsodiumwastewaterthatcontained3%NaClandNa2SO4,withremovalefficiencyover90%forCOD,BOD5andSS.Keywords:inorganicsalts;heparinsodiumwastewater;anaerobicreactorCyclePeriodofMotherLiquorfromIndustrialAmmoniumChlorideandItsPollutionControlXIEXue-yuan(YingchengMunicipalEnvironmentProtectionBureau,Yingcheng432400)Abstract:Underpresentprocesscondition,thereuseofmotherliquorfromindustrialammoniumchloridehasalimitationthatde-terminedthecycleperiodofthereuseofmotherliquor.Fortheconvenienceofpollutioncontrol,amodelofcycleperiodisputfor-wardinthispaper.Keywords:cycleperiod;pollutioncontrol;motherliquor;ammo-niumchlorideDesignandOperationofWastewaterTreatmentforLarge-scaleWhiteSpiritIndustryMIAOLi1,WUShao-jie2,KOULiu-xiu3(1.ShangqiuMunicipalEnvironmentProtectionCompany,Shangqiu476000;2.PingdingshanEngineeringCollege,Pingdingshan467001;3.CollegeofForestryandHorticulture,HenanAgricultureUniversity,Zhengzhou450002)Abstract:Traditionalbio-oxidationmethodwasusedtotreatwastewaterforlarge-scalespiritindustry.AndresultsshowedthatSS,CODandBOD5ineffluentwas28mg/L,55.0mg/Land23.5mg/LrespectivelyattheconditionofinletSS,CODandBOD5upto762mg/L,791.0mg/Land350.8mg/L,whichcanmeetthecriteria.Keywords:whitespirit;wastewatertreatment;bio-oxidation;projectdesignStudyonRefineryWastewaterTreatmentbyTwo-stageBAFProcessZHONGHua-wen1,LIAOYan1,ZHANGJun-zheng2,HEDong-sheng2(1.DepartmentofEnvironmentEngineering,MaomingCollege,Maoming525000;2.MaomingPetrochemicalCompany,Maoming525000)Abstract:Two-stageBAFprocesswasusedtoimprovebiochemicaltreatmentefficiencyofrefinerywastewater.Resultsshowedthattheeffluentoil,phenol,NH3-NcanmeetsurfacewatercriteriaofclassVandCODuptonationalcriteriaunderhydraulicretentiontimeof4.5h.Relativeparametersandoperationconditionswereproposedthroughlongtimecontinuousrunning.Keywords:refinerywastewater;two-stageBAFprocess;nitrify-ingreactionTreatmentofPlasticizerWastewaterbyBiofilmOxidationDENGChu-zhou,NINGBin,JIANGQiong,WUZhong(JingzhouMunicipalEnvironmentScienceInstitute,Jingzhou434000)Abstract:Anaerobicbiofilmoxidationmethodwasintroducedtotreathighconcentratedorganicwastewaterofplasticizer.ResultsshowedthatmaximumremovalrateofCODwasupto99.96%wheninletCODandsulphateconcentrationwas5520.0～57600.0mg/Land3255.0mg/Lrespectively.Keywords:plasticizerwastewater;treatmentandresearch;biofilmoxidationVOCsPollutioninIndoorAirandItsControlWENYuan-gao1,2,LIANZhi-wei1(1.InstituteofRefrigerationandCryogenics,JiaotongUniversity,Shanghai200030;2.WuhanUniversityofScienceandTechn