CSTRSBR工艺在畜禽废水处理中的应用林伟华

3.7　萃取剂循环使用　　-J,,,,,50,PCW-5,-JCODCr,。4　(1)PCW-5-J,,:25%、0.5∶1、;(2)-J-J;(3),-J,,J,。1　.Fe2+-H2O2J.,1998.(4),20～22.2　.J.,1997.(18)4:59～61.3　..:,263～268.　　210097　122　(025)35982272002-10-10CSTR-SBR＊林伟华(,310020)　蔡昌达(,310020)　针对当前我国规模化养殖场排放污染物的特点,以实际工程为例,介绍了“CSTR+SBR”工艺在畜禽废水处理中的设计及其运行情况。其中好氧反应池的脱氮效果特别理想,达99%以上,而且合理的池型结构确保了良好的出水效果,供同类工程参考。　厌氧罐　SBR反应池　工程应用　　　　　　　　＊(UNDP)(GEF)“”。1　,。6,10,“”。100td,1200td,CODCr、BOD5、SS、NH3-N。6500m3d,,。20013,,、,,,。1。2　“、”,“、(CSTR)、SBR”,1。1　t·d-1CODCrmg·L-1BOD5mg·L-1SSmg·L-1TNmg·L-1NH3-Nmg·L-112009600500060001300800:。(CODCr≤400mgL,BOD5≤150mgL,SS≤200mgL,NH3-N≤80mgL,pH6～9)。,、。,。,,。20℃,CODCr2.6kgm3·d,HRT=60h,1.0m3m3·d,3000m3d。CODCr13　　　20036213DOI:10.13205/j.hjgc.2003.03.0031　　1500mgL。(CSTR),,1,,150m3,HRT=3h。,,。,BOD5CODCr,。SBR,CODCr,。,、。、,,。3　3.1　资源化程度高,,,CODCr20000mgL。,,,,,,。———,,0.4mm,SS30%～40%,80%,。、、,,。3.2　SBR反应池,(),,SBR,。SBRCODCr,、。SBR1,NH3-N15mgL,SBR,,SBR2。2　SBRSBR2000m3×2,HRT=3.5d。8h,,1h,4h,1h,1h,1h。。BOD50.39kgm3·d,BOD50.13kgkg·d,MLSS　3000mgL。SBR,21。,,,,25%。SBR,250m3h,2.2kW。,,SBR(2)。3,21。14　　　20036213SBR2。(20018～20026)3.3　自动控制系统的应用SBR,3,。2　SBRCODCrBOD5SSNH3-Nmg·L-1250013501800850mg·L-1250651507.9%90959299.14　,,,,《》,。150,190。1.5m3·()。5　(1)“+”:,,,。(2)、,,,,。(3),。,。;,。1　..,2000.19(3).2　.-SBR.,2001.17.　　310020　897　(0571)86093262E-mail　[e-mail]2002-12-04中国环境科学学会环境工程分会2003年国际交流与合作项目之一　　———2003()　ENVIRO2003　:11　:2003111922　:··COEX　:、、　:、、、　:;;;;;;。　:、　:1.、、、。2.、、、。3.、、、。、、、、、!。　:33　　:100088　　:[phone]　:15　　　20036213STUDYONTREATMENTOFSAUCEWASTEWATERBYHYDROLYTICACIDIFICATION-SBR-AIRFLOATPROCESSTianYuetal(7)……………………………………………………………………………………Abstract　Basedonthesaucewastewatertreatmentinpractice,aseriesexperimentswereconductedtoinvestigatetheconditionsofformingsludgeandthedegradationlawsofCODCrandchromaineachunit.TherelationbetweenthevariationsofpH,SVI,microorganismbiofaciesandtheeffluentqualitywashighlightedandthecauseofSBRsludgebulkinganditseffectivecontrolmeanswerediscussed.TheresultsshowedthatafterasaucewastewaterwithCODCrandchromabeing3000mgLand500tirneswastreatedbyhydrolyticacidification-SBR-airfloatprocess,theeffluent'sCODCrandchromawerereducedto50mgLand90times,whichconformedwiththefirstgradedischargestandardofGB1998-67.Keywords　saucewasterwater,hydrolyticacidification-SBR-airfloatprocessanddegradationlawSTUDYONTREATMENTOFAMINO-JACIDWASTEWATERANDRECOVERYOFRESOURCEPengPanyingetal(11)…………………………………………………………………………………………………………………Abstract　Amino-JacidwastewaterisextractedwithPCW-5extractant,theremovalrateofCODCrofwastewaterisover95%.Extractisbackextractedwithalkaliforrecoveringamino-Jacidproduct.About27.9kgamino-Jacid(100%)isobtainedfromeachcubicmeterwastewater.Thepurityoftherecoveredamino-Jacidisinaccordwiththedemandsofinustrialproductquality.Thetreatmentmethodhasgoodeconomicandenvironmentalbenefits.Keywords　amino-Jacidwastewater,extraction,backextractionandrecoverAPPLICATIONOFCSTR-SBRPROCESSINTREATMENTOFANIMALWASTEWATERLinWeihuaetal(13)…………………………………………………………………………………………………………………………Abstract　WiththedevelopmentofChina'smodernizationpoultryfarm,environmentaroundisbecomingseriouslypolluted.Inthispaper,thedesignoftheprocessanditsoperationofCSTR-SBRsystemappliedtowastewatertreatmentprojectforfarm,areintroduced.Asforaerobicreactor,thedenitrificationeffectisideal,withmorethan99%forremovalrateofnitrogen.Andthat,reasonablestructureofthereactorishelpfultomakesureidealeffluenteffect.Keywords　anaerobictank,SBRreactorandprojectusageANALYSISOFCAUSESOFHIGHERCONCENTRATIONOFSUSPENDEDMATTERSINEFFLUENTANDCONTROLHuangZhengdao(16)………………………………………………………………………Abstract　TheinternalandexternalcausesofhigherconcentrationofsuspendedmattersintheeffluentoftrialrunforXinglinSewagerTreatmentPlantinFujianProvincewereanalyzedwithanemphasisontheproblemsofprocesscontroletcofaerationtanks.Thesystemcouldbeoperatedstablyandeffectively,whoseeffluent'sindexescouldallbeuptothestandardaftercarryingoutcorrespondentmeasuresandtheadditionaltreatmentoforganismpond.Keywords　urbansewage,suspendedmatterandcontrolADVANCEDTREATMENTOFRECLAIMEDPAPERMAKINGWASTEWATERBYPROCESSOFAIRFLOAT-BIOCONTACTOXIDATIONYaoLaiyin(19)………………………………………………………………Abstract　Thepaperdescribestheprocessofbiologicalcontactoxidationintheadvancedtreatmentofreclaimedpapermakingwastewater,basedonchemical-flocculation-airfloat.Therunningresultsshowedthattheprocesswashighlyefficientandthereuseofintermediatewaterwascontinuousandstable,thedischargedwastewaterreachedstandardsteably,therecoveredrateofproductionwasewaterwasover85%.Keywords　reclaimedpapermakingwastewater,airfloatation,contactoxidationprocessandadvancedtreatmentAPPLICATIONOFNEWTYPEOFIRONCHIPSFILTERINGTOWERFORINTERNALELECTROLYSISININDUSTRIALIZEDTREATMENTOFDYEINGWASTEWATERCaiGupingetal(21)…………………………………………………………………………………………………………………………………Abstract　Thepaperintroducestheapplicationofanewkindofironchipsfiltreringtowerforinternalelectrolysisintheindustrializedtreatmentofdyeingwastewater.Thetowercangetfidof90%chromaandenhancebiodegradabilityby30%underweakacidicconditions.Thetowercanavoidironinactivationandhardening.Beingt