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李 轶 翟剑峰 阮晓红(,210098) ,6g/L,HRT8h,5d,CODCr、20%9.6%,。。 ThestudyofchemicalfiberwastewatertreatmentwithhybridbiologicalreactorLiYi ZhaiJianfeng RuanXiaohong(DepartmentofEnvironmentalEngineering,HehaiUniversity,Nanjing210098)Abstract Theconcentrationofbiomassinaerationtankcanbeincreasedto6g/LandtheremovalratesofCODCrandammoniacanalsobeimprovedbyaddingcarriertoordinalaerationtank.WhentheHRTis8handthesludgeageis5d,theremovalratesofCODCrandammoniaareincreasedby20%and9.6%respectively.Theinfluenceofhydraulicretentiontimeonnitrificationinhybridbiologicalreactorislessthaninconventionalactivatedsludgeprocess.Atthesametime,sludgebulkingcanbecontrolledandlesssludgeisproduced.Keywords hybridbiologicalreactor; carrier; organicmatter; ammonia; sludgebulking (),,,,,,[1]。,、、[2]。、,,。,,。22Vol.2,No.220014TechniquesandEquipmentforEnvironmentalPollutionControlApr.,20011 1.1 ,1。1 1.;2.;3.;4.5.;6.;7.:1#(activatedsludgeprocess,ASP);2#(hy-bridbiologicalreactorprocess,HBRP)。。2m3,,。,60cm×20cm×80cm,30cm×30cm。2,60cm,10cm,8cm,,20%()。1.2 2#,,CODCr、、。1,,。,5d,()。2 1 1234567CODCr(mg/L)2745108768478879031129BOD5(mg/L)189301359339350298350BOD5/CODCr0.690.590.410.400.390.330.31pH6.997.056.947.007.106.756.78NH3-N(mg/L)13.619.43230.1333241.1HRT(h)888461212 10—15℃,DO2.0mg/L,pH6.75—7.00,5d,20%,HRT1。2。2 [3] CODCrBOD5NH3-NpHpH(pHS-3C)DOMLSS(ML-53)92 2 2 2.1 。2#,2d,DO2.0mg/L。,CODCr300—400mg/L,CODCr。10—15d,1—2mm,,,;、,,10d,CODCr65%,。13g/L,6g/L,1#2.4g/L60%。2.2 CODCr。CODCr3。3 CODCr3,,。,CODCr,,CODCr,,,2#CODCr1#。,3、4、5、6CODCr,CODCr,HRT12h5,。3,2#1#。2.3 ,4。4 4,,,,,,。,。2.4 ,5。,,SVI,。5,CODCr1#,2#;,2#SVI1#,2#。93 2 : 5 SVI2.5 (1),。1#,,2#,,,、、。2#1#,1#。,2#1#。,2#,,,。(2)。,,。,,,。,2#1#,1#。,,,()。(3),1#,。2#,。,,2#1#,A/V[4]。,,,。3 (1)13g/L,6g/L,50%;SVI,。(2),,,,,CODCr,。(3),CODCr,DO、,。[1]..,1997,(5)[2]..,1999,(2)[3]..:,1989[4]..:,199294 2
本文标题:复合生物反应器工艺对化纤废水的处理研究李轶
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