您好,欢迎访问三七文档
当前位置:首页 > 商业/管理/HR > 质量控制/管理 > 短程硝化反硝化影响因素研究傅金祥
Studyontheinfluentialfactorsaffectingshort-cutnitrification-denitrificationFuJinxiang,ZhangYu,YangHongxu,HuangYaoling(SchoolofMunicipalandEnvironmentalEngineering,ShenyangJianzhuUniversity,Shenyang110168,China),,,(,110168)[],、DO、pH、C/N、。,。[];;[]X703.1[]A[]1005-829(2010)12-0038-04Abstract:Thetechnicalmechanismsofshort-cutnitrification-denitrificationarebrieflyintroduced.Theeffectsoftemperature,DO,pH,C/N,sludgeageandmaterialswithrejectioncapabilityonshort-cutnitrification-denitrificationareanalyzed.Theshort-cutnitrificationkineticsisintroducedandsomepiecesofadviceonthefutureresearchofshort-cutnitrification-denitrificationareputforward.Keywords:short-cutnitrification-denitrification;biologicaldenitrification;wastewatertreatment3012201012IndustrialWaterTreatmentVol.30No.12Dec.,2010,,。,“”,,。30,,、、,、、。、、,、,。1,,。::2NH4++3O2→2NO2-+4H++2H2O,:Nitrosomonas、Nitrosospira、Nitrosococcus、Ni-trosovibrio、Nitrosolobus;():3CH3OH+6NO2-→3N2+3H2O+3CO2+6OH-,:Pseudomonas、Alcaligenes、Bacillus。,:(1),25%,;(2),C/NTN;(3)50%;(4);(5),〔1〕。2,。,。、DO、pH、C/N、。2.1,,。5~45℃,20~35℃。12~14℃,,HNO2;15~30℃,NO2-NO3-;>30℃NO2-。38——2010-12,30(12)Arrhenius:μmt=μm20exp〔Ea(20-t)293R(273+t)〕(1):μmt———t℃,d-1;μm20———(20℃),d-1;Ea———,kJ/mol;R———,8.314J/(mol·K)。10℃,1。5~30℃,,。,;4℃,〔2〕。2.2DO,,。DO。0.2~0.4mg/L,1.2~1.5mg/L。,,。DO0.5mg/L,60%,30%〔3〕,,。,5,,,。〔4〕0.6~0.8mg/L,,,,。DO,1。2.3pHpH,pH7.0~8.5,pH6.0~7.5。pH,,;pH,。,,pH8。〔5〕pH7.5~8.5,pH7.9。pH,。,pH,。pH:pH,;pH、,pH。2.3.1pH2,:NH4+葑NH3+H+pH:ρ=1714×[NH4+-N]×10pHKb/Kw+10pH(2):ρ———,mg/L;[NH4+-N]———,mg/L;Kb———;Kw———,Kb/Kw=e6344/(273+t)。(2),pH,,pH,pH,。0.1~1.0mg/L,10~150mg/L,,,。〔6〕0.6mg/L,,>5mg/L,,40mg/L,。2.3.2pHHNO2NO2-2,:HNO2葑NO2-+H+pH:CFNACT,NO2=11+Ka×10pH(3):CFNA———,mol/L;,:39——2010-12,30(12)CT,NO2———,mol/L;Ka———,Ka=exp〔-2300/(273+t)〕。(3),pH,HNO2,pH,pH,HNO2。2.4C/N,,。C/N、;C/N,,;C/N,,。C/N,C/N6。〔7〕C/N,,,C/N,。C/N6.5,C/NNH4+-N、TN,2。2.5,,;,,,。,,,,。,,,2,>2,,,。10~15d。R.vanKempen〔8〕SHARON,1~2.5d。A.Pollice〔9〕,(84d3d),,。2.6,,,,。、(Ag、Hg、Ni、Cr、Zn)、(、、)、(、、)。,〔10〕。3,,,。,Monod,,,〔11〕。,。〔11〕Monod〔12〕,:μn=μnmaxNKN+N(4),μn———,g/(g·d);μnmax———,g/(g·d);N———,mg/L;KN———,,mg/L。,:v=-1XdNdt(5):v———,g/(g·d);X———,mg/L。(4)(5),μnmax、KN、vmax,。4、、40——2010-12,30(12)(:,、、、、、、、、、、、、,,,)。[][1].(1958—1988)[Z].:,1993.[2].:[Z].:,1998.[3].[N].,1997-12-12(2).[4],.[N].,2000-07-29(1).[5].———[N].,1997-12-12(2).[](1925—),1950,,《》。:025-83422551。[]2010-11-05(5),。,,:(1),。(2),,,。(3),、、,,。(4),,。[][1].[M].:,2002:189-193.[2]AntoniouP,HamiltonJ,KoopmanB,etal.EffectoftemperatureandpHontheeffectivemaximumspecificgrowthrateofnitrifyingbacteria[J].WaterResearch,1990,24(1):97-101.[3]LaanbroekHJ,BodelierPLE,GeratdsS.Oxygenconsumptionki-neticsofNitrosomoaseuropaeaandNitrobacterhamburgensisgrowninmixedcontinuousculturesatdifferentoxygenconcentrations[J].Arch.Microbiol.,1994,161(2):156-162.[4],,,.DOHRTMBR[J].,2007,39(6):887-890.[5],,,.[J].:,2000,23(3):74-76.[6].[J].,1999,25(7):30-32.[7],,,.COD/N[J].:,2007,6(5):55-59.[8]vanKempenR,MulderJW,UijterlindeCA,etal.Overview:FullscaleexperienceoftheSHARONprocessfortreatmentofrejectionwaterofdigestedsludgedewatering[J].WaterScienceandTechno-logy,2001,44(1):145-152.[9]PolliceA,TandoiV,LestingiC.Influenceofaerationandsludgere-tentiontimeonammoniumoxidationtonitriteandnitrate[J].WaterResearch,2002,36(10):2541-2546.[10]PengYongzhen,YuDeshuang,LiangDawei,etal.Nitrogenre-movalvianitritefromseawatercontainedsewage[J].JournalofEn-vironmentalScienceandHealthPartA:Toxic/HazardousSub-stancesandEnvironmentalEngneering,2004,39(7):1667-1680.[11],,.[J].,2008,28(5):817-824.[12],,.[M].:,2003:32-40.[](1955—),1982,,。:13066624531,E-mail:fujinxiang@sina.com。[]2010-08-26()!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!,:41——
本文标题:短程硝化反硝化影响因素研究傅金祥
链接地址:https://www.777doc.com/doc-6557470 .html