A2O工艺脱氮特性研究及其污泥膨胀控制

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18200521}_JiangusEn、irorlnlonralsc.andTechnologyVol.18suPPDee.2(X)5AVO’,’,“l(.,l)22;2.,,1(XX)22):,HRT、DO、、,A:lO,,6h、DO4mL、300%、l()0,A)。,,。:V()/;:NitrogenRemovalEffectStudyonAZIOProcessandSludBngControlMAJun,,ZHANGYongXiang,,FUBing,Abstract:f}、1*t*ha、irlvestgatedtheerm`,valeffeetofoaricmattersandnitorgenofA0poreessatdiffeerntHRT,I)().let、rnratio.teml,eratueretc.Theresultshows*hatforLllot,rbanwastewater,theAZ/Opesshasstorngermovale」,、t、、1thHRT6}1al。l)()3n.g/Linaerobieaa.、ludgereturntio100%,mixedliquorreturnratio3X()%.Athteseti,:let}l,·restal*()re、earohedhowtosettletheslu(lgebulk]ngpr、)})leminthournning,andhadeontorlledabulking。ffectivelythn)ughplieationofosdiumhyPoehloriteandsupplementingfreshsludgetothemixdeliquor.Keywords:()r、“,`·。、s;Ni:〔genmoval;51(lgel)ulki.:gAOAO,、,,,,}”。,,,;。1.11.1.1、AZo/.:20050829:—15N(:40372113),.:(1979),.,,.,480L,、1::24。,300L。,:COD〔、2004oomL;BOD,90200mg/L;NH4+N50100mg/L;(TN)8011omL;pH7.28.0。:N03N;NNN(1;NH4N;TNTOC:MLSSMS;DODO;;COD(COD。1.1.24,(HR)T、DO、、、C/N,。1HRT;2DO;3;4。l。1.216。18AVO251HR〕,DOrRS’13mL300%80%28℃12d26h,30()%80%28℃12d36h3mL-28℃12d46h3mL3X()%80%12`1.~`-,UUr1..-....gUCOD00000O26ùfù4ǎàHRT3~HRT4HR=T5HRT69080,~61820222426℃COO0U00,Oùfù4ǎà0023456,HRTCOO-HRT3..esIRT4~,HRT5..111T69080607050403020ǎà2-23456HRD)ZmL.eeDO3mlee`)O4。L1.2.1HRT1、2,HRTsh4h,COD;4h3h,;,;,。1..22DO3、4,DOZmL3mL,COD,DO;DO4mL,COD,,DO3mLOQO,6`.ànO7.ō,7zǎàO1oo902345300COO4I)0Zml~DO3nlI』,Do4nll·`.~.~..`..~-.23456807060,ǎà400R=80,r2(%Rl〕%.x2()0R300r80R!(,300ùǔùǔ1656055504540ǎà2345[l5N1.2.35,()r`R),NT,。:TN,。1.24+i16,26℃,89%,COD79%;16℃,40%,COD68%。,25~30℃l2[,J。,COD20℃,20℃COD,20℃,COD。262005121..25,HRT、、DO、AVO,,,。,,,:(HRT)6h;(DO)4mL;(r)300%;(R)100%。,。13(1)(HR,。(2)(DO),Do3m,。(3),TN;;,TN,。(4),。(5):6h、4mL、300%、100%,,。4IJ。,:a、(;;;pH);b、(;;)。!:a、();b、;c、。(),SVlln,。:a、:,;b、:,,C、:。,SVI,。,。:a、:;b、:;,,;,,。【]2Aoz/。,,,,,,SVI150,、,l3]。:90%!,【Ml.:,2003:448.2[]..[M〕.:,2(〕4:27.!31,,,、tJ].(),2002,18(4):46467.」.【lJ.,1993,9(5):3234.l,,.J[」.,2005,6(2):505.2「6j,.「M」.:,1997:86.【7〕BrueeE.Rittmann,PeL.MeCarty.EnvionmentalBioteeh-,`01。。gy:pirnoiplesandApplieations「M].:,200:23.()

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