改性沸石结合组合菌固定化小球去除河水中氨氮商平

、[1]。[2]。。、、、[3]PVA[4-6]。[7]PVA－PVANH4+-N90%。63%COD、COD48%92%。3。、、。11.11.1.1YX27、X5、FX123。1.1.2NaCl100。1.1.3、、300457。10%PVA+2%SA、(3g2g)·L-1、10g100g、1g·100mL-1、2%CaCl2、24h83.445%。X522A1000-3770(2010)05-0103-0042009[e-mail]36520105TECHNOLOGYOFWATERTREATMENTVol.36No.5May,2010103DOI:10.16796/j.cnki.1000-3770.2010.05.028、4。1.1.4SS97～135mg·L-1NH3-N6.57～21.23mg·L-1TP0.33～1.68mg·L-1COD168.18～316.7mg·L-1pH7.2。1.2YX280BSHA-B800、BL-2200HpH211TDA-8002VIS-723。1.31.3.11230℃、160r·min-17d30℃、120r·min-15d3。1L30℃、160r·min-110d、。1.3.2、、。1.3.2.11PVA-10gPVA、100g80℃23g2g·L-1。33mm2%CaCl2Na2CO3pH7.04℃2～3。1.3.2.2100mL2530℃6d、。1.3.2.34PVA。PVA。。22.1、1。13g2g·L-179.263%0.033mg·L-10.047mg·L-1。。3g2g·L-1。2.2、、。3540455055606570758085
NH-N /%1:11:21:32:12:33:13:20.000.020.040.060.080.100.120.14
(NO-N)/mgL1、Fig.1Ammonianitrogenremovalrateandnitritenitrogencumu-lant,nitratenitrogencumulantofcombinationbacteria3651042Tab.2OrthogonalexperimentresultsandanalysisABCD123456789K1(a)K2(a)K3(a)k1(a)k2(a)k3(a)RaK1(b)K2(b)K3(b)k1(b)k2(b)k3(b)RbK1(c)K2(c)K3(c)k1(c)k2(c)k3(c)Rc111222333235.902229.675239.46178.63476.55879.823.2620.2770.2260.1870.0920.0750.0620.030.3940.2920.2570.1310.0970.0860.045123123123226.209234.822244.00775.40378.27481.3365.9330.2250.2750.190.0750.0920.0630.0290.3230.3370.2830.1080.1120.0940.018123231312238.7230.432235.90679.56776.81178.6352.7560.1960.240.2540.0650.080.0850.020.2570.3380.3480.0870.1130.1160.029123312231230.853242.991231.19476.95180.99777.0654.0460.220.2130.2570.0730.0710.0860.0150.320.2970.3260.1070.0990.1090.0175.54279.70380.65770.82475.40683.44579.84379.71379.9050.0760.1050.0960.0860.0950.0450.0630.0750.0490.1170.1410.1360.1120.1180.0620.0940.0780.085/%/mg·L-1/mg·L-12.2.1、、PVA4。12。1k1(a)、k2(a)、k3(a)A3B3C1D284.098%2RaBDAC33A3、B3、C1、D24A2B3C1D283.445%A3B3C1D2A2B3C1D20.062mg·L-10.045mg·L-1。2.2.2、A/%BC/gD/h12312350:10025:100101001231824321Tab.1Factorandleveloforthogonaltable3Tab.3Eachfactorlevelaveragetable/%A/%B/%C/gD/h12350251012318243278.63476.55879.8275.40378.27481.33679.56776.81178.63576.95180.99777.0651054。41PVAPVA。10%PVA。PVA。2PVASiO20.3%CaCO3SiO2CaCO33。pH7.0。pHCa(OH)2420hPVA。。24h53mm。PVA。、、、A2B3C1D210%PVA+2%SA、3g2g·L-1、10g100g、1g·100mL-1、2%CaCl2、24h83.445%。3。10%PVA+2%SA、3g2g·L-1、10g100g、1g·100mL-1、2%CaCl2、24h83.445%。。[1],.[J].,2005,24(5):34-36.[2],,.[M].:,2004．[3],,.[J].,2006,37(3):44-46．[4],,．[J].,2004,24(5):316-319．[5],,.[J].,2001,16(15):4-6．[6]Guo-minCao,Qing-xiangZhao,Xian-boSun,etal.CharacterizationofnitrifyinganddenitrigyingbacteriacoimmobilizedinPVAandkineticsmodelofbiologicalnitrogenremovalbycoimmobilizedcells[J].EnzymeandMicrobialTechnology,2002,30(8):49-55．[7].[D].:,2004.4Tab.4Performancetestoftheimmobilizationpellet/mm333333333!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!114365106THEIMMOBILIZATIONPELLETOFMODIFIEDZEOLITEBINDINGCOMBINATIONBACTERIAREMOVINGAMMONIANITROGENOFRIVERShangPing,WeiLina,LiuTaoli,KongXiangjun（CollegeofMarineScienceandEngineering,TianjinUniversityofScience&Technology,Tianjin300457,China）Abstract:Quantitativestudiedtheimmobilizationpelletbytakingpolyvinylalcohol(PVA)andsodiumalginate(SA)astheskeletoncarrier，usingembeddingmethodembeddingmodifiedzeolitebindingcombinationbacteria．Theresultsindicated：theembeddingmedicinalpreparation10%PVA+2%SA，combinationbacteria(3g:2g)·L-1&occupyingpercentage(10g：100g)，modifiedzeolite1g/100mL，thecrosslinkingagentofpH=7&2%CaCl2boricacidsolution，thecrosslinkingtime24h，theammonianitrogeneliminationratereached83.445%，andtheformationoftheballbetter，anddisplayedthegoodmechanicalstrengthaswellasthemasstransferingperformance．Keywords：modifiedzeolite;combinationbacteria;PVA;SA;immobilization;embeddingmethod;river;ammonianitrogenelimination!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1062.2.5。。。。332℃0.16MPa0.16MPa1%。5min0.2MPa1%Ca(OH)2+0.1%NaC1O+1%Ca(OH)2。[1],,.[J].,2004,26(4):329-331.[2],.[J].,2005,12(12):40-41.[3],,,.[J].,2006,21(2):67-70.[4],.[J].,2008,24(2):137-138.[5],,.、[J].,1997,23(4):157-193.[6]RiinaLiikanen,JukkaYli-Kuivila,RistoLaukkanen.Efficiencyofvariouschemicalcleaningsfornanofiltrationmembranefouledbyconventionally-treatedsurfacewater[J].JournalofMembraneScience,2002,195:265-276.[7],,,.[J].,2006,22(10)10-15.3Tab.3Effectofpressureonwashingeffect/min/MPa/L·m-2·h-1/L·m-2·h-15550.120.160.2183330132150177RECOVERINGOFCERAMICMEMBRANEUSEDFORTHECHLOROGENICACIDEXTRACTSFuZhensheng,JinJiang（CollegeofMaterialScienceandEngineering,NanjingUniversityofTechnology,Nanjing210009，China）Abstract:TheceramicmembranetechnologytopurifythechlorogenicacidextractspreparedfromsteamedfruitofLonicerajaponicawasstudied.Therelationshipbetweenthepermeatedfluxandtimewasinvestigatedunderdifferentoperationpressure.Whendealingwiththechlorogenicacidextracts.thecleaningeffectofthesingle，multiplestepandsynergeticcleaningprocedurehavebeenstudied．Thecleaningconditionsforthemembraneusedinultrafiltrationofthechlorogenicacidextra