EGSB处理废纸造纸废水的反应器快速启动试验研究杨柳

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EGSB1,2(1.,710049;2.,710049)[]EGSB,,(HRT)、、、pH、VFA。,EGSB4.85m/h2.9hHRT,COD70%~90%。,1.63,VSS/TSS88%。[]EGSB;;[]X703.1[]A[]1005-829X(2015)05-0045-03Experimentalresearchonrapidstart-upoftheEGSBreactorusedforthetreatmentofregeneratedpapermakingwastewaterYangLiu1,HeYanling2(1.SchoolofEnergyandPowerEngineering,Xi’anJiaotongUnversity,Shaanxi710049,China;2.SchoolofHumanSettlementsandCivilEngineering,Xi’anJiaotongUnversity,Shaanxi710049,China)Abstract:Takingthepilot-scaleEGSBreactorastheresearchtarget,theregeneratedpaper-makingwastewaterhasbeentreatedwithanaerobicsludgeusedfortreatingthesamekindofwastewater.Thechangesinthekeyfactors,suchashydraulicretentiontime,up-flowvelocity,reactorvolumeload,pH,VFAandsludgecharacteristics,etc.areresearched.Theresultsshowthatup-flowvelocitycanreach4.85m/h,hydraulicretentiontimeshortenedto2.9h,andCODremovingratebetween70%-90%stably,withinthefirstthreeweeks.Inthelatestageoftheoperation,thespecificmethanogenicactivityofthegranularsludgeis1.63timesofthatofthesludgeinoculatedintheearlystage,andVSS/TSSratioreaches88%.Keywords:expendedgranularsludgebedreactor;regeneratedpapermakingwastewater;rapidstart-up(expendedgranularsludgebed,EGSB)UASB(EGSB、IC、UFB),UASB,EGSB、、、〔1〕,,,,,,,,〔2-4〕。,。:,,〔5〕。EGSB,,,、EGSB,,。11.1EGSB,15.8m3,14m,1.2m。UASB-AS,1。[](011KTZB03-03-01)35520155IndustrialWaterTreatmentVol.35No.5May,20154511.2,,、、。,、。EGSB,:COD1010~1420mg/L,SS220~630mg/L,pH6.81~7.11,TN52.8mg/L,TP1.06mg/L,870~970mg/L,153~180mg/L。1.3UASB。,。(TSS)42.7g/L,(SMA)0.77g/(g·d),(VSS)TSS50%。1.4:COD、、pH、、(SS)、(VFA)、、、,〔6〕。:VSS/TSS,〔7〕。1.5,,。:4,。5,3,20m3/h,,5~10m3/h,195m3/h。COD、VFA、pH、SS、VSS、,:VFA3mmol/L;pH6.6;COD80%;。,。22.1(HRT)COD,HRTCOD2。2HRTCOD2,,HRT。,CODHRT。24,HRT2.9h,COD70%。,COD,,,HRT3h。2.2CODCOD3。3COD3,,。24,4.85m/h,COD70%。,4.9m/h,。2015-05,35(5)462.3HRTHRT4。4HRT4,,2411.8kg/(m3·d),HRT2.9h。,8.4kg/(m3·d),。,HRT3.8h。,,HRT3h。2.4pHVFApHVFA5。5pHVFA5,pH,VFA。27,VFA4.64mmol/L,,,,VFA。,,VFA2.6mmol/L,。2.5,,,13.17g/L4.5g/L,,,15.7g/L,0.08kg/(kg·d)0.73kg/(kg·d),0.7695g/(g·d)1.257g/(g·d),VSS/TSS50%88%,,,。3(1)EGSB,4.85m/h2.9hHRT,COD70%~90%。(2),HRT3h,4.9m/h,COD70%,VFA2.6mmol/L。(3)1.63,VSS/TSS88%,,。[1].[J].,1998,19(1):95-97.[2],,,.EGSB[J].,2011,37(7):130-132.[3],.EGSB-CASS[J].,2009,35(12):55-57.[4],,.EGSB/[J].,2011,27(14):75-77.[5]SuwannoppadolS,HoG,Cord-RuwischR.Rapidstart-upofthermo-philicanaerobicdigestionwiththeturffractionofMSWasinocu-lum[J].BioresourceTechnology,2011,102(17):7762-7767.[6].[M].4.:,2002:102-284.[7].[M].:,1998:538-543.———————————[](1988—),,。E-mail:yangliu2013@mail.xjtu.edu.cn。[]2015-04-11()2015-05,35(5),:EGSB47

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