EGSB处理玉米淀粉生产废水中试研究石宪奎

EGSB处理玉米淀粉生产废水中试研究＊石宪奎(,100083)(,150027)　倪　文　(,100083)王凯军(,100037)　研究了厌氧膨胀颗粒(EGSB)反应器处理玉米生产废水的运行过程现象,结果表明,液体表面上升流速是影响EGSB反应器效能的重要参数,当进水CODCr为3500～6500mgL时,液体表面上升流速为1～3.5mh时,EGSB反应器处理始终保持在85%以上,污泥经过选择后能够适应EGSB反应器的运行条件。　厌氧膨胀颗粒床反应器　颗粒污泥　淀粉生产废水　厌氧处理　　　　　　　　＊“863”(No.2002AA601190);2003(No.110531144)1　(expandedgranularsludgebed,EGSB)(UASB),UASB,,,,,,EGSB、、、、[1,2]。,EGSBUASB,[3]。EGSB,3～4kgm3·d,≤2mh,EGSB,UASBEGSB。2　。1。Fe2+、Co2+、Mo2+、Ni2+,pH7。　　UASB,2、3。1　mgL(pH)CODCrBOD5SSpH5000～70003725～5623450～11009.32～20.3124～1765.0～6.02　kg·(kg·d)-1kg·m-3VSSSS%SVImL·g-1%kPa0.43210770.75310.6710.0428563　mm0.6～0.80.8～1.01.0～1.251.24～1.41.4m·h-122.427.236.445.248.0()67.413.25.15.98.4　　EGSB300mm,6000mm,,347L,,,G1.6B(0.016～25m3h)。1。1　3　3.1　反应器运行效果UASB,17　　　20052231DOI:10.13205/j.hjgc.2005.01.005CODCr4kgm3·d,3000～4000mgL,1,67%,,85%,200mgL,1～3.5,2。2　3.2　污泥负荷与污泥量22gL7.02kg,CODCrSLR=0.28kgkg·d,27d,3.84kg,54.7%,0.708kgkg·d,EGSB,,0.5kgkg·d,,(),,,,87d8.276kg,SLR=0.53kgkg·d,3。3　3.3　水力负荷及污泥颗粒的变化EGSBUASB,、,,,,,,(),,EGSB,,,。,,[4,5]。,。。,,。,。,。,,,,。,。1mhEGSB,4。4　1mh(),,,,。22.5mh,,,37d,3mh,47d3.51mh。(50%SS,1～2.5mm),UASB,、。EGSB,,1～3mm,18　　　20052231、。,。4　(1)1～3.5mh,CODCr3500～6500mgL,。UASB。(2)1～2mh,,,、。(3),EGSB,。(4),UASB,,EGSB。1　KatoMT.Theanaerobictreatmentoflowstrengthsolublewastewaters.WagenigenAgriculturalUniversity.andedgranularsludgebed(EGSB)reacter.Wat.Sci.Tech.,1999.40(8):99～106.2　VanLierJB,etal.Newperspectiveinanaerobicdigestion.Wat.Sci.&Tech.,2001.43(1):1～18.3　,,.(EGSB).,2000.18(4):8～10.4　YuLiu,Joo-HwaTay.Theessentialroleofhydrodynamicshearforceintheformationofbiofilmandgranularsludge.WaterResearch,2002.36:1653～1665.5　,,,.EGSB.,2001.14(3):34～36.　　100083　E-mail　[e-mail].2004-04-20生物移动床技术在电厂生活污水回用工程中的应用研究李　明　宋存义　邢　奕　邹安华(,100083)　盖正勇　李朝海(,050400)　河北西柏坡发电责任有限公司对生活污水进行回用改造,厂区内的生活污水CODCr在100mgL左右,采用“生物移动床+生物过滤+深度过滤+臭氧消毒”联合工艺。实践证明,该工艺处理效率高,效果稳定,运行安全可靠。　污水处理　中水回用　生物移动床1　,,,,,,。、、。,CODCr、BOD5;CODCr100mgL。,“+++”。,,。2　(),。-,,。2.1　设计数据60m3h,,90m3h。:(1)　CODCr=100mgL,BOD519　　　20052231STUDYANDAPPLICATIONOFPURIFICATIONANDRECYCLINGOFWASTEWATERFROMAMINERALCONCENTRATINGPLANTSunShuiyuetal(7)…………………………………………………………Abstract　ThepurificationandrecyclingofwastewaterfromNanjingXixiashanXinyangMineCompanyareinvestigated.Thetestsofwastewatertreatmentandrecyclingarecarriedout.Inaddition,thetestsoforeflotationareconductedinordertodeterminetheeffectofwastewaterrecyclingontheoreflotationprocess.Thezerodischargeofwastewaterisobtained.Theplantengineeringsystemofpurificationandrecyclingofwastewaterisdesignedandconstructed.Thesystemhasbeenoperatdsuccessfully.Thegoodenvironmentalandeconomicalbenefitsareproduced.Keywords　mineralconcentratingwastewater,purificationandrecycling,zerodischargeandplantoperationBIOLOGICALFILTRATIONOXIDATIONREACTORFORTREATINGCOKEPLANTWASTEWATERXiaoWenshengetal(9)………………………………………………………………………………………Abstract　Duetothefactthattheactivatedsludgeprocessisusedtotreatcokingwastewaterinacokingplant,whoseeffluentcannotmeetthedischargestandard.Thereforeabiofiltrationoxidationreactorisusedtofurthertreatthewastewater.Theresultsshowthattheefficiencyofthisprocessisstableandfeasibleandthesystemdisplaysahigherresistancetoshock.TheaverageremovalratesofCODCr,NH3-N,SS,oils,volatilephenolandcyanideare64.7%,79.8%,76.6%,52.1%,95.4%,61.4%respecitvely.Thequalityofeffluentmeetsdischargingstandardofourcountry.(GB8978-1996thesecondlevelofnationaldischargedstandardforthesecondcontaminants)Keywords　cokeplantwastewater,biologicalfiltrationoxidationreactorandactivatedsludgeEXPERIMENTALRESEARCHONTREATINGETHYLAMINEWASTEWATERUSINGTHEPRESSURIZEDAERATION-SEQUENCEBATCHREACTORACTIVATEDSLUDGEPROCESSChenLiboetal(12)…………………………………………………………………………………………………………………Abstract　Itisresearchedthattreatingethylaminewastewaterbythepressurizedaeration-sequencebatchreactoractivatedsludgeprocess.WhenCODCrofinfluentis2600mgL,andthatofeffluentislessthan150mgL.Thevolumetricloadingis3.0～8.0kgCODCrm3·d.Thismethodfeaturesfastbiochemicalreactionrate,highefficiencyofremovingnitrogenandlessland-occupying.Keywords　P-SBRreactor,ethylaminewastewateranddenitrificationRESEARCHONTHENITROGENANDPHOSPHORUSREMOVALOFTHEMODIFIEDABPROCESSZhangZhibinetal(14)………………………………………………………………………………………………Abstract　AmodifiedABprocesswasstudiedforsolvingthecarbonresourceshortageprobleminordertoimprovethenitrogenandphosphorusremovalefficiencyoftheABprocess.Theresultsoftheparallelbench-scaleexperimentshowedthatthenitrogenremovalandphosphorusremovalefficienciesofthemodifiedABprocessreached79.8%and90.61%respectivelywithoutlosingorganicremovalperformanceandaddingaerationvolume,whichimprovedgreatlycompardwiththetraditionalABprocessandintermittentaerationprocess.TheCODCr,TNandTPconcentrationsmeettheNationalWastewaterIntegratedDischargeStandard.Keywords　modifiedABprocess,biologicalnitrogen&phosphorusremovalandcarbonresourceshortageproblemAPILOT-SCALESTUDYONEXPANDEDGRANULARSLUDGEBED(EGSB)REACTORFORTREATINGMAIZESTARCHPROCESSWASTEWATERShiXiankuietal(17)………………………………Abstract　TheperformanceofEGSBfortreatingmaizestarchprocesswastewaterwasstudied.Theresults