丙烯腈废水的三级处理米治宇

1　,..:,2001.2　.-SBR-.,2003.20(5):77～79.3　..,2000.18(5):12～14.4　..,2002.22(5):412～415.5　.-.,2003.7(3):23～25.6　..,2000.18(4):16～18.　　315822　　(0574)861921402003-11-05米治宇(,163711)　赵春梅(,163316)　根据含氰废水生物脱氮装置的运行实践分析了生物脱氮反应中废水的氨化、硝化和反硝化特点。改造前,氨氮合格率为0,改造后,氨氮合格率为95%以上。　前置反硝化　含氰废水　硝化反应　反硝化反应　氨化反应1　50m3h,、、、、,,,。,,,、,。,,-,“”。2　,1。2,4,3,1,1,。1,、、,12,,4。24,,,,,,,1,。,,,,,。1　3　,2,,,,、1、2,,1、2,,2。32　　　200410225DOI:10.13205/j.hjgc.2004.05.0112　　、、。4　:40.7mgL,99.7mgL;49.1mgL,18.9mgL;,40mgL,0,95%。,4。(1)　1。1,、,C、N、P、S,,CO2,,N、P、SNH+4、PO3-4、SO2-4。　、、()mgLCODCr΢CNNH3-NCODCr΢CNNH3-NCODCr΢CNNH3-NCODCr΢CNNH3-N14577.5340.71140.14799.716441.549.11260.14618.9　　(2)　,、、、,,,,,:CN+O2+H2OCO2+NH+4,,。(3)　12,NH+4NO-2NO-3,2,,。CO2,,。(4)　,NO-2NO-3N2N2O。,,()。,,COD,(、、、),、,(、、、),,,。,,,,COD,(、、、),,,。5　。1　.().:,1996.724～727.2　..:,1989.308～312.　　163711　　0459-6758392E-mail　[e-mail]2003-06-0233　　　200410225DISCUSSIONONTREATMENTOFPHARMACEUTICALCOMPLEXWASTEWATERBYADOPTINGCOMBINEDBIOTECHNOLOGYLangXianmingetal(22)……………………………………………Abstract　AdoptingtheimprovedUNITANKandBAFmethods,thepharmaceuticalcomplexwastewaterfromNortheastGeneralPharmaceuticalFactory(NEGPF)isstudied.Thekeyprocessprincipleispresented.RemovalrateofCODCrofthisprocessismorethan90%.Fordisposinghighconcentratewastewater,CODCrofeffluentislessthan500mLL.ThetreatmentsystemcanprovideapowerfulbasisandguaranteeforNEGPF'sengineeringconstructionduetoitssteadyrunning,highefficiencyandlowtreatmentcost.Keywords　combinedbiotechnology,pharmaceuticalwastewaterandexperimentalresearchASTUDYONTECHNICALPARAMETERSOFMEMBRANEBIOREACTORDESIGNCaoBinetal(24)……………………………………………………………………………………………………………………………………Abstract　Theprocessconfiguration,membranemoduleandbioreactorarethecriticalelementsofamembranebioreactor(MBR)design.MBRparametersarestudiedsuchasdesignrule,configurationandmembranemoduleaswellasorganicloading,mixedliquorsuspendedsolidsconcentration,solidretentiontimeandhydraulicretentiontimeinbioreactorand,theseresultscanhelpMBRpilot-testdesign.Keywords　membranebioreactor,processdesignandtechnicalparametersAPPLICATIONOFAERATIONBIOFILTERINPROCESSOFDENITRIFICATIONANDDEPHOSPHORIZATIONZouWeiguoetal(27)………………………………………………………………………………Abstract　ThemainfeaturesofanaerationbiofilterareanalyzedanditsprocessofdenitrificationanddephosphorizationisintroducedwithanemphasisontheprincipleandfeaturesofthePASFprocess.Itispointedoutthattheprocessofactivatedsludgeandaerationbiofiltercansolvethecontradictionbetweensludgeagesofroutionedenitrificationanddephosphorization,andthatallsortsofcombinedprocessescanprovideabrightfutureofuseofaerationbiofilterinsewagetreatment.Keywords　aerationbiofilter,PASFanddenitrification&dephosphorizationSTUDYONTREATMENTTECHNIQUEOFREFUSELEACHATEFROMREFUSE-BURNINGPOWERPLANTHuYanningetal(30)…………………………………………………………………………………………Abstract　Throughacomparisonofthecharacteristicsoftheleachatefromarefuseincineratorwiththatfromarefuselandfill,theoptimumtreatmentparametersofUASB-CASSprocessweredetermined.Theresultshowedthataftertreatmentoftheleachatesbythisprocess,theremovalratesofCODCrandNH3-Nwere98.1%and96.3%respectively.Thismeansthatthebestpurificationoforganicmattersanddenitrificationhavebeenobtained,andthiscompositeprocessisreliableandeffective.Keywords　landfillleachate,UASBreactorandCASSreactorTERTIARYTREATMENTOFWASTEWATERCONTAININGACRYLONITRILEMiZhiyuetal(32)…………………………………………………………………………………………………………………………………………Abstract　Basedontheoperationalexperienceofbio-denitrificationdeviceforcyanicwastewater,thecharacteristicsofammoniation,nitrationanddenitrificationofwastewaterwereanalyzedinbiologicaldenitrificationreactions.Eligiblecontentofmorethan95%werereachedforammoniaandnitrogenintreatedwastrwater.Keywords　pre-denitrification,cyanicwastewater,nitrationreaction,denitrificationreactionandammoniationreactionSTUDYONCORONAWIREGROUPWITHSHIELDINGTUBEINESPHuManyinetal(34)………Abstract　ThestudyonthecoronawiregroupwithshieldingtubeinESPadaptstothesituationofthestrictenvironmentalstandardincreasinglyandsubstantivecoalwithlowsulphurforcoal-firedpowerplants.Thenewmatchmodelcanadjustthepositionofshieldingtubeaccordingtothesituationofpowerplant,soastorestraintheintensityofthecoronacurrent,whichcanmaketheESPworkinthesafetysituationof“highvoltageandlowelectriccurrent”,anditcanequalizetheplateelectriccurrentdensity,sothatitweakensorrestrainstheanti-coronaandsavesenergy.Keywords　ESP,anti-corona,coronawiregroupandenergy-savingCOMPUTATIONOFFLOWFIELDDISTRIBUTIONINELECTROSTATICPRECIPITATORBYEQUALRESISTANCESIMULATIONTuJianhuaetal(37)……………………………………………………………Abstract　Asimplesimulatingmethodofcomputingtheflowfielddistributioninanelectrostaticprecipitatorwasintroduced.Themainideawastotaketheairdistributionplateasthehomogeneouslyinfiltratedplate,andlettheresistanceofthetwotypeofplatesbeequal,thentheamountofthemeshandthecomputationtimewouldbelargelyreduced.Thecomputationdatawereidenticalwiththoseoftheexperiments,thus3ENVIRONMENTALENGINEERINGVol.22,No.5,Oct.,2004