反硝化除磷过程的影响因素探讨董继红

第38卷第12期辽　　宁　　化　　工Vol.38,No.122009年12月LiaoningChemicalIndustryDecember,2009董继红(,130021)　　　:　,。MLSS、、C/NC/P、、pH,、。　　:　;(DPB);;:　X703　　:　A　　:　10040935(2009)12092403　　A/O。,DPBPAO;,PAOO2,DPBNO-3PHB,PHBATP,(),,Poly-p;NO-3N2。/,DPB。1　1.1　MLSSMLSS(DPB),DPB[1]。[2]MLSS,。:MLSS,MLSS;MLSS,MLSS,,。,MLSS,,,。1.2　　1.2.1　。,、。,。Evans[3],、、,。(VFA),。,,NO-3-NNO-2-N。1.2.2　、PHB。[4],,PHB:ηP=7.05ΔPHB+33.99　　(R2=0.996)ηN=5.94ΔPHB+50.89　　(R2=0.987):ηN—,%;ηP—,%;ΔPHB—PHB,%;R2—。,PHB:ΔN=4.45e0.25ΔPHB　　(R2=0.991)ΔP=2.22e0.25ΔPHB　　(R2=0.981):ΔN—,mg/L;　　收稿日期:　2009-07-03　　作者简介:　董继红(1963-),女,高级工程师。　　　ΔP—,mg/L;ΔPHB—PHB,mg·g-1·MLSS。,,1mgPHB5.71mgNO-3-N,2.8mgPO3-4-P。,,“”,[4]。1.3　C/NC/PC/N,C/N(DPB)。,,、。,,C/N。Kuba(1996)A2NSBRC/N3.4,100%。C/N()(O2);C/N。1999,G.BortoneDe-phanoxJHBC/N,Mat/Lab-SimulinkC/NN/P,C/N、N/P(),Dephanox90%。1.4　(SRT)、。、。SRT[5-6]。Merzouki:SBRSRT15d(SRT=7.5d1.8),SRT[7]。,SRT。[8]:;。,,,。1.5　,/。(DO)、。,、PHB。DO0.2mg/L。(ORP)DO。ORP,ORP。ORP-200～-300mv[9]。1.6　pHpH,pH,。T.Kuba,pHPAODPB。[10]pH、/HAc(P/C,mol-P/mol-C):(1)(6.5～8.0)AUR,PRRpHP/CpH,P/CVSSP;(2)pH,。[2]pH,,pH(pH=6～8)P/C,pH8,。,pH。pH。[11]、SBRpH。,pH=8.0、pH=7.0±0.1,。[12](SBR),,pH。,pH8.0±0.1,pH7.2±0.1。1.7　(1)/。,/,DPB,/,,[13];(2)。,,;(3)。、。,、,[14]。2　　,925第38卷第12期　　　　　　　　　董继红:反硝化除磷过程的影响因素探讨　　　　　　　　　,,,。[1]　FalkentoftC.Thesignificanceofzonationinadenitrify-ingphosphorusremovingbiofilm[J].WatRes,1999,33:3303-3310.[2]　,,.MLSS、pHNO-2-N[J].,2005(7):47-51.[3]　WachtmeisterA,KubaT.Asludgecharacterizationassayforaerobicanddenitrifyingphosphorusremovingsludge[J].WatRes,1997,31(3):471-478.[4]　,,,.A/ASBRPHB[J].,2005,27(3):80-84.[5]　,,.[J].,2005,27(5):83-86.[6]　,,.[J].,2003,13(6):13-15.[7]　MerzoukiM,BernetN.BiologicaldenitrifyingphosphruremovalinSBR:effectofaddednitrateconcentrationandsludgereten-tiontime[J].WatSciTech,2001,43(3):191-194.[8]　,,,.[J].,2004(5):29-32.[9]　,.SBR[J].,2002,33(4):7-10.[10]　Filipe,C.D.M.,G.T.Daigger,C.P.L.Jr.Grady.Stoichiom-etryandkineticsofacetateuptakeunderanaerobicconditionsbyanenrichedcultureofphosphorous-accumulatingorgan-ismsatdifferentPHs[J].Biotech.Bioeng.,2001,76(1):32-43.[11]　,.pH[J].,2004(5):284-286.[12]　,,,.[J].,2005,25(5):515-518.[13]　,,,.[J].,2005,21(7):23-25.[14]　FalkentoftC.Thesignificanceofzonationinadenitrifyingphosphorusremovingbiofilm[J].WatRes,1999,33:3303-3310.DiscussiononInfluencingFactorsofDenitrifyingPhosphorusRemovalDONGJi-hong(DesignInstitute,JilinInstituteofArchitectureandCivilEngineering,Changchun130021,China)Abstract:Inthedenitrifyingphosphorusremovalprocess,simultaneousremovalofnitrogenandphosphoruscanbeachievedbyusingthesamesubstrate.Ithasbecomeahotissueinstudyofbiologicalwastewatertreatment.InfluencingfactorsofdenitrifyingphosphorusremovalwerediscussedsuchasMLSS,carbonsource,C/NandC/P,sludgeage,dissolvedoxygen,oxidation-re-ductionpotentialandpHinordertoprovidereferenceandbasisforthesimulationofdenitrifyingphosphorusremovalprocess,ex-perimentalresearchandpracticalapplication.Keywords:DenitrifyingPhosphorusRemoval;DPB;InfluencingFactors;Simulation(上接第923页)ResearchProgressinSolidPhaseSynthesisofNanometerCdSYANGHong-ping(ChemistryandMaterialsScienceInstitute,LangfangTeachersCollege,Langfang065000,China)Abstract:NanometerCdSbyitsuniqueelectro-opticalperformance,inthephotoluminescence,theelectroluminescence,thesensor,theinfraredwindowmaterial,thephotochemicalcatalysisandsoonmanydomainshasthewidespreadapplication,itssyntheticmethodreceivespeople'swidespreadattention.Inthisarticle,thedomesticresearchsituationtosynthesizeCdSnanoma-terialswiththesolidphasereactioninrecentyearswassummarized,advantagesandshortcomingsofdifferentpreparationmethodswerediscussed,itsdevelopmenttrendwasputforward.Keywords:CdS;Nanomaterials;Solidphase;Synthesis926　　　　　　　　　　　　　　　辽　　宁　　化　　工　　　　　　　　　　　　　　　2009年12月