对三池式UNITANK工艺的几点深入认识雷明

UNITANK雷　明1　李凌云2　苏锡波1　李益洪1　张　勇1(1.,528000;2.,510655)　提高生物除磷效率为三池式UNITANK工艺的运行控制目标。本文通过对UNITANK工艺运行控制方面的研究及工程经验,分析了三池式UNITANK工艺厌氧空间、时间,UNITANK反应器进水流态,工艺及自控运行方式,并得出了相关结论。　三池式UNITANK工艺　生物除磷　运行控制0　　　UNITANK,10td,20029。UNITANK,。,。1a,、,B(GB18918-2002)。UNITANK、,UNITANK,,。1　UNITANK,、,,,(30min),,。,DO,,,()。,,DONO-3-N,,。,4h,,。2　,A2O,--。,、,,,,。NO-3-N,(VFAs)(PAOs)-β-。,(EBPR),。3　UNITANKUNITANK,0.8m75°,(1),,(1),;,,,。,,(ORP)-19.9mV。(2),,UNITANK,,,。,,,。,14(1),。ORP35　　　200612246DOI:10.13205/j.hjgc.2006.06.011-72.9mV。1　UNITANK2　UNITANK4　UNITANKA2OA2O2、,,UNITANK,A2O,:UNITANK,(60min)A2O。,,(1)(14)。,,、,“”。(30min),DO(DO0.2mgL)。,,A2O。,,,ORP141.2mV55.8mV。5　UNITANK,“UNITANKDOORP,、、,,”。2,,(DO、ORP、pH),2,。UNITANK,,。,,,。,。UNITANK,,,。UNITANK,。:,。6　(1),,UNITANK。(2)UNITANK1,,。(3)UNITANK,UNITANKA2O,。(4),UNITANK。　　528000　1615BOTE-mail　[e-mail]2006-03-0136　　　200612246ofbiologicaltreatmentprocessandhydraulicdesigntoascertainrelativekeyparametersinSBRprocess.Keywords　SBRprocess,nitrogenremovalanddesignREDUCTIONOFEXCESSSLUDGEPRODUCTIONBYAEROBIC-SETTLING-ANOXICPROCESSZhongXianbo　YeFenxia(26)………………………………………………………………………………………Abstract　Todeterminewhetheraerobic-anaerobiccyclecanbeusedtoreducesludgeproductioninbiologicalwastewatertreatment,aerobic-settling-anoxic(ASA)processwhichisamodificationofconventionalactivatedsludgebyinsertingasludgeholdtankinthesludgereturnlinebetweentheaerationtankandthesecondaryclarifierwasstudiedtoinvestigatethereductionofexcesssludgeyield.Itwascomparedthatthreeprocesseswithdifferentsludgeretentiontime(5.5,7.6and11.5h)inthesludgeholdtank,bywhichtheexcesssludgewasreducedby33.24%,22.99%and13.80%,respectively.TheseresultssuggestedthatitmightbeidealtoapplyASAprocesswith6～7hsludgeretentiontimetoreducetheexcesssludgeyield.Keywords　activatedsludgeprocess,excesssludgereductionandaerobic-settling-anoxic(ASA)processANEXPERIMENTALSTUDYONTREATMENTOFMONOSODIUMGLUTAMATEWASTEWATERBYHYDROLYTICACIDIFICATION-SBRPROCESSYanJin(29)………………………………………………Abstract　Itisdescribedanexperimentalstudyonmonosodiumglutamatewastewatertreatmentbyhydrolyticacidification-SBRprocess.TheexperimentalresultsshowthatCODCrandNH3-Nremovalratesofthewastewaterareover92%,thetimeofhydrolyticacidificationstageandSBRare8hand6h,respectively,andthewatertemperatureis20～25℃.TheseresultsdemonstratethathydrolysisandacidificationaspretreatmentmeanscanenhanceefficientlythebiodegradabilityofmonosodiumglutamatewastewaterandtheCODCrandNH3-Nremovalratesofthewholetechnology.Keywords　hydrolyticacidification,SBRandmonosodiumglutamatewastewaterSTUDYONDECONTAMINATIONOFSUSPENDEDSEDIMENTINWATERBYHYDROPHYTESGuoChangcheng　WangGuoxiang　YuGuohua(31)…………………………………………………………………………Abstract　Basedonspecialurbanenvironmentalproblem,ecologicalphysicalmodeofdecontaminationforwaterwithsedimentisbuiltwithCyperusalternifolius,Gladiolushybridus,Vallisneriaspiralis,Ceratophyllumdemersum,HydrillaverticillataandVallisneriaspiralisofawetland.Theresultindicatesthattheplantecosystemofthewetlandhasdifferentdecomtaminationeffectonthewaterbodywithdifferentamountofsuspendedsediment;andthewetlandplantswiththebestdecomtaminationeffectareCeratophyllumdemersum,Hydrillaverticillata,Vallisneriaspiralis,GladiolushybridusandCyperusalternifolius.Thesedimentswithdifferentparticlesizesedimenthavedifferentresultswhentheypassthroughthehydrophytesecosystem.Keywords　hydrophytes,ecological-physicalmode,suspendedsediment,adsorptionandparticlesizePROCESSSELECTIONINDESIGNOFFOURSEWAGETREATMENTPLANTSINLICHUANCOUNTYLǜYongjun　ChenShuicai　LiuPingbo(33)………………………………………………………………………Abstract　Designofsmallsewagetreatmentplantshouldholdthefeaturesofsafety,stabilityandconcision.Itisanalysedtheprocessselectioninthedesignofpre-anaerobicoxidationditchforfoursewagetreatmentplantsinLichuanCountry.Whichmayprovideexperienceforrelevantdesignsbyengineers.Keywords　mountainarea,pre-anaerobicoxidationditchandsewagetreatmentplantIN-DEPTHCOGNITIONONCONVENTIONALUNITANKPROCESSLeiMing　LiLingyun　SuXiboetal(35)……………………………………………………………………………………………………………………………Abstract　HowtoimprovetheefficiencyofTPremovalisthecontrolledtargetofconventionalUNITANKprocess.OnthebasisofthestudyonoperationandexperienceinmanagementofUNITANKprocess,itwasanalyzedtheanaerobicspace,timeandinlethydro-typeofUNITANKreactor,operatingmethodoftheprocessandautocontrol.Correlatedconclusionshavebeenobtained.Keywords　conventionalUNITANKprocess,biologicalphosphorusremovalandoperatingcontrolDESIGNANDAPPLICATIONOFSYSTEMFORSMOKE-GASCLEANINGANDWASTE-HEATREUSEOFCUPOLAHeYan　LiRen　WangZhaohanetal(37)………………………………………………………Abstract　Withanexampleofsmoke-gascleaning,fluegasdesulfurization(FGD)andwaste-heatreusefora10thcool-windcupolainYunnanProvince,theproblemsthatshouldbeconsideredinengineeringdesignforsmoke-gascleaningincludeFGDandheart-re-usingsystemareintroduced.Keywords　cupola,smoke-gascleaning,heatreusingandengineeringexampleCATALYTICEFFECTOFIRONORESONTHEREMOVALOFNITROGENOXIDESINSINTERINGEXHAUSTGASESBiXuegong　LiaoJiyong　XiongWeietal(42)…………………………………Abstract　Theintroductionofadditivesintoamixisabletoremovenitrico