©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1.,100084;2.,710055):,CODNH+4-NTN1201.6510.4540.1110.4mgPL,CODNH+4-NTN197.114.2181.50.4mgPL,83.6%97.2%66.4%99.6%,,CPNTN:;;CPN;:X703.1:A:1000-4602(2003)08-0011-04Short-cutNitrificationandDenitrificationforTreatmentofHighAmmoniaContentWastewaterfromCokingPlantLIUChao2xiang1,HUHong2ying1,PENGDang2cong2,WANGZhi2ying2,QIANYi1(1.DeptofEnvironmentalScienceandEngineering,TsinghuaUniversity,Beijing100084,China;2.SchoolofEnvironmentalandMunicipalEngineering,XianUniversityofArchitecturalScienceandTechnology,Xian710055,China)Abstract:Pilot-scaleexperimentwasmadeontheshort-cutnitrificationanddenitrificationforcok2ingwastewatertreatment.TheexperimentalresultindicatedthatwhentheinfluentconcentrationofCOD,NH+4-N,TNandphenolis1201.6,510.4,540.1,and110.4mgPLrespectively,theaverageeffluentconcentra2tionofCOD,NH+4-N,TNandphenolis197.1mgPL,14.2mgPL,181.5mgPL,and0.4mgPLrespectively,withremovalrateof83.6%,97.2%,66.4%,and99.6%achievedrespectivelyforCOD,NH+4-N,TNandphenol.Ascomparedwiththeconventionalbiologicaldenitrificationprocess,thisprocesshastheadvantagesofhighammonia-nitrogenloadingandtheincreasedTNremovalrateatlowerCPNratio.Keywords:short-cutnitrificationanddenitrification;cokingwastewater;CPN;ammonianitro2gen1111,200LPh,2.43.62m3(),pH1121,7501000mgPL,COD18002900mgPL,1,112003Vol.19CHINAWATER&WASTEWATERNo.8©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()(m3Ph)HRT(h)7.58.025300127.07.52530152518113,,(),12,,,,,,,2211COD,COD(540mgPL1420mgPL)COD80230mgPLCOD,COD75%88%,COD55%70%,COD30%40%,,COD212222,(200mgPL530mgPL),20mgPL,2,530mgPL,14mgPL,97.4%,()[1],530mgPL,,,(3)33,10mgPL,,1.60kgNH+4-NP(m3d),()0.71kgNH+4-NP(m3d),56%,212003Vol.19No.8©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(APO),,,5,83%,()66%75%1gNO-3-N2.86gBOD,CPN(46),,,CPN[1]CPN23.5,CPN,,214NO-2-N4(NO-2-N)P(NO-x-N):(NO-2-N)NO-2-N,(NO-x-N)(NO-2-N+NO-3-N)(NO-2-N)P(NO-x-N),NH+4-NNO-2-N,NO-3-N4(NO-2-N)P(NO-x-N)4,(NO-2-N)(90%),,(NO-2-N)62%,,,,NO-2-N,NO-3-N,,,(NO-2-N)P(NO-x-N)Anthonisen(FA),,0.11.0mgPL,10150mgPL,,NO-2-N215,22CODNH+4-NTN(mgPL)1201.6510.4540.1110.4(mgPL)197.114.2181.50.4(%)83.697.266.499.62,,(95%),,(GB89781996),,3CODNH+4-NTN1201.6510.4540.1110.4mgPL,HRT30h(12h,18h),51,CODNH+4-NTN197.114.2181.50.4mgPL,(GB89781996)NH+4-N,1.60kgNH+4-NP(m3d),NH+4-N300530mgPL,NH+4-N20mgPL,95%CPN23.5,66%75%,,,312003Vol.19No.8©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[1],.[M].:,1998.[2],,.[J].,1993,14(3):2-6.[3],,.[J].,2000,16(2):29-31.:(1974-),,,,:(010)62778943(O)E-mail:liucx99g@mails.tsinghua.edu.cn:2002-12-31,,,10SPcm100gPL,SiO2,:,,NaOH,OH-,,2050gPL,0.320.54SPcm,,,12SPcm,35SPcm,100gPL,10%20%,,,,NaOH,,,,NaOH,,,1SPcm;,30minSiO215min,,,,,0.20.3SPcm,,,,,,,10%,,(NaOH),(),,,0.20.3SPcm()412003Vol.19No.8