EGSBBAF组合工艺处理石化废水的研究

20131740259·165·EGSB-BAF(027300)[]EGSB-BAFCODCr100mg/L88%EGSB-BAF(AS)ASEGSB-BAF7[][]TQ[]A[]1007-1865(2013)17-0165-01StudyontheTreatmentofPetrochemicalWastewaterwiththeEGSB-BAFProcessLiYanfang(InnerMongoliaDuoLunEnvironmentalProtectionBureau,Duolun027300,China)Abstract:Accordingtotheaforementionedparameters,theEGSB-BAFprocesswasrunningverywell.TheresultsindicatedthattheCODCroftheoutputwaterwaslessthan100mg/L;theremovalofCODCrwasabove88%.ComparetotheActivatedSludgetechnology,theEGSB-BAFprocessmayproductlesssludgeandhadhighcapacityforadsorbingshockload.Keywords:thesewagetreatmentplantthecombiningplantthesludgeproductrate(EGSB)[1-4](BAF)2080[5,6]11.1EGSB-BAF1EGSBEGSBBAF21.2EGSB0.1~2mmMLSS20.75mg/LMLVSS/MLSS48%BAFASCODCr1500mg/LBOD5500~700mg/L500mg/L30mg/L5mg/LpH6~9NH3-N40~50mg/L1EGSB-BAFFig.1TheTechnologicalFlowsheetoftheEGSB-BAF2ASDrawing.2theTechnologicalFlowsheetoftheAS2EGSB-BAFHRT17.5h(EGSB6HRT16h34±1BAF9HRT1.5h20)ASHRT18h2.0mg/L252.12.1.1EGSBB/C0.48~0.55EGSBB/C0.46~0.51EGSBBAF2.1.2EGSB-BAFCODCrCODCr679~1327mg/LCODCr70~95mg/L85mg/L88%~93%90%CODCrCODCr2.2EGSB-BAF2.2.1CODCr8dCODCr1002mg/LASCODCr91mg/L148mg/L92%86%CODCr778mg/LASCODCr80mg/L98mg/L89%87%CODCrCODCrASEGSB(169)[]2013-08-09[](1983-)20131740259·169·A31B1Fig.1Pipesupportcoldinsulationlayerthickness(3)(4)252Fig.2Setvariablediameterpipesupport[1][S]2008[2][S]2011(144)25.47MPa4611.94MPa0.6×10-3μm222.99MPa(3)4(1)SN4(2)(3)[1][M]2003[2][J]200425(4)433-435(165)2.2.2EGSBAS1)(eCiCQeXeQdTdXVY(1)VLX(MLVSS)mg/LQeL/dXeMLVSSmg/LCiCODcrmg/LCeCODcrmg/LQL/dAS0.1~0.4mgMLVSS/mgCODCr0.262mgMLVSS/mgCODCr-0.1~0.1mgMLVSS/mgCODCr0.036mgMLVSS/mgCODCrEGSBAS0.036/0.262×100%=13.7%BAFAS13.7%3(1)(EGSBHRT16h6pH7~934±1BAFHRT1.5h209)CODCr70~95mg/L85mg/L88%~93%90%(2)ASAS13.7%[1]2000[M]2003121-130[2][M]1996115-131[3][M]199089-95[4][J]199912(3)9-11[5]PujolPTaralloSJulesBetalTotolnitrogenremovalintwo-stepbiofiltration[J]WatSciTech200041(4)65-68[6][M]200591-110