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1,2(,361005)[]—,——,、、。,——,—。[];;;[]X703.1 []A []1006-1878(2004)07-0141-04 、、、、,。,,。,:。、、、、、、、。、、。,,。、,—-。1 生物硝化和反硝化。,NO2--NNO3--N。,35℃;,1℃,4.5%,,1℃,10%。pH8.0;pH5.0～8.5,pH,13%;G.RuizpH8.956.45。DO0.5mg/L。pH7.0～8.5,20～35℃,15℃,,5℃,;3℃。DO,DO0.1mg/L,。,。,,,COD/TKN,。;,COD/TKN9。,()(),A/A/O、A/O,SBR、。,DO,COD。,,—、-。—,。2 短程硝化—反硝化(Nitrobacter),,[]2004-01-26;[]2004-02-09[](1977—),,。·141·200424 ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRYNO2-,NO2--NN2。,。—,—:(1)25%;(2)40%,63%;(3)300%;(4),30%～40%;(5);(6),。,,;0.1kg/kg·d,,98%,1;,NO2--NNO3--N,,。NO2-。NO2-、pH、DO、。2.1 (FA)FA,FA7mg/L;FA20mg/L,。FA,FA0.06mg/L。Abeling,FA1～5mg/L,,,NO2-。FA,。FA,FA,(mgNH3free-N/VAS,VAS:volatileattachedsolids),,1mgNH3free-N/VAS,0.1,5%;1mgNH3free-N/VAS,,2mgNH3free-N/VAS,80%～90%。FA,100-250mg/L,,FA,。(FH)FA,,。2.2 pHpH。pH7.5～8.5,pH7.9;CamillaGrunditz,pH8.17.9,pH。pH7.5,pH8.585%;pH,,pH7.5,pH6.8。,,pHNO2-。2.3 DOKeisukeHanaki,DO0.5mg/L,,DO,,。G.Ruiz,DO1.7～5.7mg/L,;DO1.4mg/L,,DO,,DO0.7mg/L,;DO0.5mg/L,。NO2--N,。(SRT);,。,70%,,50%90%。,DO/FA,DO/FA5,5。,DO/FA。2.4 38℃35℃,,。18～25℃,Hyungseok·142·200424 ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRYYoo25℃。,20～30℃。,,15℃,,,,,SHARON(30～40℃),。2.5 NO2-N,A/O,,,,,。HNO2,。,FA、pH、,FHDO、pH。,FA,、pH,。,35℃、DO0.5～2.5mg/L、pH7～7.8,1.2kg/m3·d,95%。:30℃、pH8.1、140mg/L、68%。92.6%,。3 同时硝化—反硝化,,。—(SND:si-multaneousnitrificationanddenitrification),:(1);(2)pH,pH,。—,SND,,,。SNDDO。DO:,;,/,DO,/。 AnkeHippen。ChistineHelmer。。,NO2-,N2,(),—(Aerobicshortcutsimultaneousnitrification-denitrification)。,Psedomonasspp,Alcaligenesfaecalis,Thiosphaerapantotropha,Pseudomonasfluorescens,Pseudomonasaureofaciena,Pseudomonasaeruginos,Microvirgulaaerodenitrificans。,。、、SND。P.MenoudSiporaxTM(),,SND。HyungseokYoo,、、,,SND。,,,(),,,SND;,2。。KazuakiHibiyaMABR·143·.(membrane-aeratedbiofilmreactor),,,,SND。Yuan-LynnHsiehPSB(permeablesupportbioreactor)MFSB(membranefeedingsubstratebioreactor)SND。96.5%,82%。4 结语———,。,,。,、。·144·200424 ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRY