UASB兼氧接触氧化气浮处理生物制药废水张书海

UASB-兼氧-接触氧化-气浮处理生物制药废水张书海(,223001)　朱雪梅(,223001)李英辉(,223002)　采用UASB-兼氧-接触氧化-气浮工艺处理高浓度生物制药废水,以废水中BOD5、COD和SS为主要因子,进水浓度为15000、8800和2500mgL的条件下,经4个单元的处理,出水浓度可达164、20.3和38mgL。该工艺具有系统稳定、污泥量少,产生沼气和综合利用等特点,具有推广价值。　生物制药废水　UASB-兼氧-接触氧化-气浮处理工艺0　,,,。,、、、,UASB---。1　200t、100t、80t、50t;,。1100m3d,《》(GB8978-1996),1。1。1　mgL1500088002500300301501　2　23。2　　　12×12×4.138.4×6.01UASB42×7.9×6.319×9×4.559×9×5.549×9×5.554.1×3.7×5.525×3.2×138.4×6×613　　　WQ100-13-7.56QJB464-3203-960C2I16B25-0.6900-1028.5×2.815()Υ150×80980HA65-5.5524mWQ10-8-7.5250D8×46Z-0.025162XMY80800-U2HX120S-5522　　　20086263DOI:10.13205/j.hjgc.2008.03.0103　4,UASB、、。(1)UASB(),,UASB,,。,,,、,,,:35℃,6kg(m3·d),2h,0.12m3(m2·h)。(2),,,。0.05kg(kg·d)(),。(3),,,,,,4kg(kg·d)()。(4),,,,,,,,,。120m3h,。3,,,,4。4,UASB。4　CODBOD5SS(mg·L-1)(mg·L-1)%(mg·L-1)(mg·L-1)%(mg·L-1)(mg·L-1)%UASB1500024008488001350852500120052240015603513508104012009602015602348581040.59596096902341643040.520.3509638604　(1)UASB---,,《》(GB8978-1996),,,。(2)UASB,CODBOD585%,。(3),,,。[1]　,,.UASB-SBR.,2002,22(3):363-365[2]　,,.UASB--.,2006,7(5):135-137　　223001　77　　(0517)3672267E-mail　[e-mail]2007-11-0723　　　20086263TREATMENTOFPHARMACEUTICALWASTEWATERBYUASB-FACULTATIVEAEROBE-CONTACTOXIDATION-AIRFLOATPROCESSZhangShuhai　ZhuXuemei　LiYinghui(22)……………Abstract　TheprocessofUASB-facultativeaerobe-contactoxidation-airfloatwasusedtotreatapharmaceuticalwastewaterofhighconcentration.WhenBOD5,CODandSSoftheinfluentwere15000,8800and2500mgL,thoseoftheeffluentwouldbe164,20.3and38mgLrespectivelyaftertreatingthewastewaterthroughfourstepsusingthesaidprocess.Thisprocessfeaturesstablesystem,lesssludgeandproductionofmathaneetc,whichisworthpopularizing.Keywords　treatmentofpharmaceuticalwastewater　processofUASB-facultativeaerobe-contact　oxidation-airfloatAPPLICATIONOFAIRFLOATATION-HYDROLYSISACIDIFICATION-MBRTECHNIQUEINTREATINGWASTEWATERFROMSTEAMINGWOODQinWeijie　ZhangXingwen　YuPengfeietal(24)……………………………………………………………………………………………………………………………………Abstract　Theprocessofairfloatation-hydrolysisacidification-MBRwasusedformixedtreatmentofdomesticsewageandwastewaterfromcookingwood(mixingratewas1∶1).Thewastewaterfeatureshighcontentofligninandpoorbiodegradationandsoon.Underthestableconditionofdaytreatingcapacityof80m3,theeffluentwaterreachesthedischargingstandardsofdomesticwater(GJT48-1999)andcanbedirectlyusedincookingprocessandpartofitusedingreeningaroundtheplantandflushingtoilet.Keywords　boilingwastewater　airflotation　hydrolysisacidification　MBRTREATMENTOFPRINTINGANDDYEINGWASTEWATERBYPROCESSOFCOAGULATIONDEPOSITION-DELAYEDAERATION-SLAGADSORPTIONLiangYixin(27)………………………………Abstract　Aimingatthecharacteristicsofprintinganddyeingwastewater,theprocessofcoagulationdeposition-delayedaeration-slagadsorptionisusedtotreatthiswastewater.TheoperationofprojectpracticeshowsthattheremovalratesofBOD5andCODareupto94%and97%respectivelywithadecoloringcapacityof72%aftertreatmentofthewastewaterbythesaidprocess,whoseeffluentcanmeetthedischargestandard.Keywords　printing&dyeingwastewater　coagulationdeposition　delayedaeration　biochemicaltreatmentAPPLICATIONOFVERTICALCUT-OFFCURTAINTOSANITARYLANDFILLSITEINPLAINAREASYaoYouchao　BaoZhongwei(29)………………………………………………………………………………………Abstract　Thefunctionandactionofverticalcut-offcurtainforsanitarylandfillwerediscussedthroughengineeringcases.Thecomparisonofthreekindsoftypicalcut-offcurtainswasmadewithcasesapplication,andthechoiceofcut-offcurtaintypewassuggested.Keywords　verticalcut-offwall　horizontallinersystem　permeabilitycoeffient　groundwaterTHEEXPERIMENTALSTUDYONFASTCULTIVATINGOFGRANULARSLUDGEWITHEXPANDEDGRANULARSLUDGEBEDLiuYongfeng　ZhouXingqiu　WuJiandong(32)…………………Abstract　Thefastcultivatingofgranularsludgewithexpandedgranularsludgebed(EGSB)wasstudied.TheanaerobicreactorinoculatedsludgefromUASBreactor,withflocsludge80%andanaerobicgranularsludge20%whosediameterwaslessthan0.8mm.Theexperimentalresultsshowedthattheapparentgranularphenomenonappearedintheanaerobicreactorafter35days'operation,andtheaveragediameterofthegranularsludgewasupto1.4mm,thedistributionofthediameterwasevenandthemediumdiameter(1～2mm)accountedfor61.84%byweight.WhentheinfluentCODwas7500mgL,thevolumeloadingrate52gm3·d,thehydraulicretentiontime3.2h,therecycledratio12,theupflowvelocity3.4mh,thereactorcouldrunstablyandtheremovalrateofCODwasupto95.4%.Andundertheabovecondition,thegranularsludgeincreasedquicklywhentheMLSSofthereactorstabledat45gLorsothroughdischargepropersludge,andtheMLSScouldbeupto65gLafter4-5days.Keywords　expandedgranularsludgebed　granularsludge　MLSSEXPERIMENTALSTUDYONPHYSICOCHEMICALANDBIOCHEMICALTREATMENTOFHIGHCONCENTRATIONNITROBENZENEINDUSTRYWASTEWATERZhuYiping　ZhangHaiping　ZhangJian(35)…………………………………………………………………………………………………………………………Abstract　ByusingFentonreagent-microelectrolysis-anaerobicsequencingbatchreactor(ASBR)-sequencingbatchreactor(SBR)process,highconcentrationnitrobenzeneindustrywastewatertreatmentisstudied.Wheninfluentnitrobenzeneconcentrationis1300mgL,CODis12480mgLandpHis2.80,operatingparametersforFentonoxidationprocessare:H2O2addingamount3.3gL,Fe2+being5