废水生物脱氮的研究进展李礼

(四川大学建筑与环境学院,成都,610065)　　　　:、;A/O、A2O、SBR;SHARON、ANAMMOX、OLAND、SND,。:生物脱氮硝化反硝化新工艺　　,。,。,、。,、、,,。、、。1,[1]:1.1　,。RCH(NH2)COOH+HOHRCH(OH)COOH+NH31.2　,NH4+NO-2NO-3。。NH+4+2O2NO3-+2H++H2O1.3　,NO2-NO3-N2,。6NO-3+5CH3OH5CO2+3N2+7H2O+6OH-,,BOD5/TKN3～5,。22.1[2]A2/O(AnaerodicAno-xicOxic)、A/O、SBR。2.1.1A/O法脱氮工艺A/O80,,。[2]/,、。;、,。A/O、、,,,,,。。2.1.2A2/O法脱氮工艺A2/O[2]//,。,43第4期　　　　　　　　　　　　　　废水生物脱氮的研究进展,VFA()。,,。,。,。,。,、,,10～15.。,3,,3～5。,。,,。,,。,,,,VFA,VFA。,。,。2.1.3SBR工艺SBR[3],。,,,,;,,;,,,,,,,,,。,SBR。SBR。SBR,,SBR。2.2。,,,。、、。、,,。[4]、,,、、。,,,。。,、,。3,、、。,[5～7]。,-,。,,,,25%40%。,1.5～2。,(NH3)pH,,1～5mg/L,。,,,、。。[8]。3.1　SHARONSHARONDelft[9]。44四川化工　　　　　　　　　　　第10卷　2007年第4期,。。SHARON,,。,,,。SHARON:,,;,,NO2-NO3-40%;,,;SRT=HRT(),,SRT;,Ks(),、,,;,[10]。3.2(ANAMMOX),:NH+4+NO-2N2←+2H2O■G=-358kJ/molNH+4,■G0,,;,。,,。,,,Jetten,NO2-20mmol/L,ANAMMOXNH+4-N,(2h)NO2-,ANAMMOX,(10nmol/L),。,,pH。,ANA-MMOXpH7.5;,ANAMMOXpH6.7～8.3。,,JettenANAMMOX20～43℃,40℃;,15℃30℃,,35℃,,30℃[11]。ANAMMOX,、BOD。3.3　SHARON-ANAMMOXSHARONANAMMOX[12]。,SHARON、、pH,。SHARON/,,,SHARON,ANAMMOX。,SHARON,NH4+NO2-1∶1,ANAMMOX,。、、,[11]。3.4OLANDOLAND(OxygenLimitedAutotrophieNitrifi-cationDenitrification,)Gent[13]。NO2-,。,,,。OLAND,,[14],。,62.5%,,。3.5(AerobicDeammonification)Hippen45第4期　　　　　　　　　　　　　　废水生物脱氮的研究进展,[11]。(N2)。。,Mueller,(1kPa0.2%O2)。0.3kPa58%,。-。,。3.6　(SND):;pH,pH。。[15]。、。、、。,,,。、,,[16]。[17]:,,;;;,。,。DO。DO[18]:,;,,、,DO,/。,SND、。Gupta[19]SND,。YooiSND,,,90%,95%COD。,SND,,90%70%[20]。3.7　(CANON)Strous(1997)ANAMMOX0.5%。Third(2002)(0.5%),,。Vanloo-sdreeht&Jetten,,CANON(CompletelyAutotrophieNRemovalOverNitrite),“”,。,,,ANAMMOX。,ANAMMOX,[21]。4　[22]4.110,、、。,15。46四川化工　　　　　　　　　　　第10卷　2007年第4期1pHkg/(m3·d)SHARON1NH4+、NO2-1SND1N2、NO3--ANAMMOX1N2、NO3-6～12planctomycetalesOLAND1N20.05NitrosomonaseutrophisCANON1N2、NO3-1～3、planctomycetales2N2、NO3-、N2O0.05～4、　　,,。、、BOD,;-,,,;、,。,,。,。[21]:(1):,。SHARON,、CSTR,ANAMMOX,,、、UASB、SBR。。(2):SHARON、SHARON-ANAMMOXOLAND,。(3):-CANON,-,。。4.2　[23、24]。,,NH3-N,、、、,、、。:,;,,,;,;,,。[1],[M],,:,1996[2],[J],,2002,21(1):47～49[3].,[M],,:,1999,261～262[4]　,,　,,[J],,2006,23(3):12～15[5]CecenF.,GonencI.E,Nitrogenremovalcharacteristicofnitrifi-cationanddenitrificationfilters[J],Wat.Sci.Tech.,1994,29(7):409～416[6]CecenF.,OrakE.,Nitrificationoffertilizerwastewatersinabiofilmreactor[J],J.chem..Technol.Biotechnol.,1996,65:229～238[7]MannA.,Mendoza-EspinosaL.,StephensonT.,Acomparisonoffloatingandsunkenmediabiologicalaeratedfilltersfornitrifica-tion[J],J.Chem.Technol.Boltechnol.,1998,72:273～27947第4期　　　　　　　　　　　　　　废水生物脱氮的研究进展[8],　,:、、[M],:,2004,13～18[9],,　,[J],,2000,16(2):20～24[10]　,,　,,[J],,2006,23(3):12～15[11]　,,[J],,2007,13(7):101～102[12]　,,,[J],,2006,35(9):527～530[13]VerstraeteW.,PhiliPsS.,Nitrification-denitrificationproces-sesandtechnologiesinnewcontexts[J],EnviroumentalPollution,1998,102:717～726[14]　,　,,[J],(),2004,30(3):241～246[15],,,,[J],,2003,8(4):444～447[16],,[J],,2000,1(6):11～20[17]　,　,[J],,2003,29(1):17～l9[18],　,[J],,2004,24():141～145[19]CuptS.K.,RajaS.M.,Simultaneousnitrificationdenitrifica-tioninarotatingbiologicalcontacter[J],EnvirTeeh.,1994,15(3):145～153[20],,[J],,2005,31(6):22-24[21],,[J],,2005,7(1):17～19[22],,　,,[J],,2004,24(4):252～255[23]　,,[J],,2002,24(3):180～183[24],,[J],,2002,3(1):41～45DevelopmentTrendsofbiologicalNitrogenRemovalProcessLiLi,YangPing(CollegeofArchitecture&Environment,SichuanUniversity,Chengdu,610065)Abstract:Thetheoryofremovalofnitrogeninwastewaterbybiologicalmethods,whichincludethreesteps:ammoniastripping,nitrificationanddenitrification,havebeenin-terpreted.Severaltraditionalbio-ogicalnitrogenremovaltechniquesandtheircharact-ers,suchasA/O、A2/Obiologicalnitrogenremovalmethod、sequencingbatchreactor.Atthesametime,newtechniquesproducedrecentyearshavebeenex-pl-ained,andth-eircharactershavebeenanalyzed.Atlast,theproblemsanddevelopmenttrendsofbi-ologicalnitrogenremovaltechniquesinthefuturehavebeenpointedout.Keywords:biologicalnitrogenremoval;nitrification;denitrification;newprocess(38)AStudyonHighEfficientBio-reactortreatingcokewastewaterXiongHuan-wei,YangPing(CollegeofArchitectureandEnvironment,SichuanUniversity,Chengdu,610065)Abstract:Coke-plantwastewatercomesfromhigh-temperaturepyrolysis,coal-gaspurificationandtherefi-ningprocessofchemicalproduct.ItisasortofindustrywastewaterwhichcontainshighconcentrationofNH3-N,organicpollutantsandotherhard-removalmatters.Sothetreatmentofcoke-plantwastewaterisalwaysadifficulttopiceitherinchinaorinothercountry.Thisarticlemainlyfocusesonthebio-reactorwhichisusedinthecoke-plantwastewatertreatment.Introductionsoftraditionalbio-reactoraregivenout.Besides,theimprovementoftraditionalbio-reactorandnewtypebio-reactorusedinthefiledarealsoin-troduced.Keywords:cokewastewater;bio-reactor;CODcr;bio-denitrification48四川化工　　　　　　　　　　　第10卷　2007年第4期