SWCCA碱法草浆黑液处理的中试研究李志健

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№.4                              Dec.1999·20·    JOURNALOFNORTHWESTINSTITUTEOFLIGHTINDUSTRY    Vol.17 :1000-5811(1999)04-0020-05SW-CC-A(Ⅱ)李志健1,刘志峰1,张安龙1,王志杰1,谭凯2,靳高翔2,李浩2,高秀荣2(1., 712081;2., 710068) :SW-CC-A碱法草浆黑液处理中试研究是西安市1997年科技攻关项目,项目编号G9713,项目实施时间为1997年10月止1999年10月.本报告为其中厌氧-好氧处理单元中试研究内容.结果表明:厌氧UASB反应器可以6.0kgCOD/m3.d的容积负荷安全启动,稳定运行于12~14kgCOD/m3.d的负荷水平,平均COD去除率36%,BOD去除率87%,适宜的HRT=24小时,去除单位公斤COD产CH4气0.23m3,UASB反应器具有较强的负荷冲击耐受力;厌氧-好氧处理可消减COD平均43%,消减BOD平均97%,为后续处理创造了极为有利的条件.:草浆黑液;中试研究;厌氧处理;好氧处理:TS793∶TS749+·2   :A,,,,,!,,,,.1 1.1 蒸煮工艺条件    25m3      :60~90min:110~130kg/m3:60min:12%(NaOH): :1∶3~1∶4.5:10~15kMnO4:15%:42%~45%:6.5kg/m2:1999-05-013 :(1965-),,,,1.2 黑液性质3,1.1      pH9.59.0~13〔1〕CODcrmg/l1780014500~24000〔1〕BOD5mg/l5780〔1〕TSmg/l30702690~3310〔1〕SSmg/l1033740~870〔2〕K-Nmg/l29.3〔2〕T-Pmg/l190.7〔2〕(CaCO3)mg/l37303540~4120〔1〕68006000~8500〔2〕(uv280)A122.2118.8~125.4〔4〕VFA()mg/l4880〔3〕50%ICCODmg/l15000~24000〔5〕(℃)4233~46〔2〕1.3 主要设备UASB:TRS-A-Ⅰ/15;:TRS-O-Ⅰ/4.2 (UASB)2.1 种泥××,5∶1,、,、.2.2 UASB的启动、19971118,UASB,,,.4.5~5.0kgCOD/m3.d,(VLR),UASB(VLR)8.0kgCOD/m3.d,122612.0kgCOD/m3.d,.,UASB.2.2 UASBDateCODinCODoutVLRHRTCODremovedCH4mg/lmg/lkgCOD/m3.dhour%m3/d97.11.18~24616041084.623233.33.9097.11.25~30704047405.633032.74.0597.12.01~07859059908.02830.24.2597.12.08~1410930738010.12632.55.6397.12.15~2612230802012.22434.46.802.3 UASB的稳定运行,:19971227~199824;:·21·4      :SW-CC-A(Ⅱ)19981022~1999130.UASB,3.3 UASBDateCODconcentraionmg/lVLRkgCOD/m3.d BODconcentrationmg/lCODremoved%BODremoved%HRThour CH4yeildm3/dinoutinout97.12.27~98.01.0612050790012392050034.487.2246.7598.01.07~98.01.161298083601335.6247.0898.01.17~98.01.261410090101436.1247.2398.01.27~98.02.0413200855014.535.2227.4698.11.01~98.11.10998065001034.8245.3598.11.11~98.11.201102072201234.5226.1298.11.21~98.11.311206076501236.6246.898.12.01~98.12.1013260844014.5425057036.386.6228.298.12.11~98.12.201407087601437.7248.398.12.21~98.12.311560099201537.4249.1599.01.01~99.01.3015300924014489049039.690308.032.4 UASB负荷冲击情况UASB,1999320~1999430,,4.4 DateHRThourCOD-VLRkgCOD/m3.dCODconcentrationmg/linoutCODremoved%StyleofattackStrengthofattack%99.03.20~99.03.23241414030874037.7099.03.24~99.03.2699.03.27~99.04.032418185301223034.1184701167036.9128.699.04.04~99.04.0699.04.07~99.04.14261415160947037.514980919038.6+77.899.04.15~99.04.1799.04.18~99.04.252018152501012033.615100975035.4128.699.04.26~99.04.30241414260894037.3  4,VLR=14.0kgCOD/m3.d,30%,,3COD,.3 -·22·              173.1 好氧种泥,85%,(,),.3.2 厌氧-好氧运行控制条件5 -℃pHCOD∶N∶PO2mg/l35±2VLR=12~148~9.5500∶5∶10F/M=0.35~0.67.0~7.8100∶5∶12~33.3 厌氧-好氧运行情况1999510~1999710,5.5 -  HRThour mg/l%CODBODinoutinoutCODBOD  HRThour mg/l%CODBODinoutinoutCODBOD%CODBODⅠ24141808950462064036.986.26895083306402106.967.241.395.4Ⅱ24135208460435055037.487.38846077405501408.574.542.896.8Ⅲ26152309410498057038.288.610941085205701109.480.744.197.8Ⅳ24143308930463061037.786.912893080206109010.285.244.098.04 (1)COD/BOD=0.30~0.36,,N,P,Fe,Co,Ni,,.(2)UASB、6.0kgCOD/m3.d,12kgCOD/m3.d,.(3)UASB12~14kgCOD/m3.d,COD36%,BOD87%,HRT=24,CODCH40.16m3.(4)UASB,、+,、30%,3CODCH4,,4%,10%,,.(5)HRT8,COD8%~10%,BOD80%.(6)+COD43%,BOD97%,HRT=·23·4      :SW-CC-A(Ⅱ)30~36.(7),BOD5,GB3544-92,COD.(8),,,,.,,.〔1〕.(15)〔M〕.:,1985.〔2〕.()〔M〕.:,1989.〔3〕WageningenAgriculturalUnversity.WastewaterCharacteristicesandFactorAffectingReactorPerformance〔M〕,1990.〔4〕.〔M〕.:,1975.〔5〕.〔M〕.:,1989.FACTORY-EXPERIMENTONANAEROBIC/AEROBICTREATMENTOFPULPINGBLACKLIQUIDOFSTRAWLIZhi-jian1,LIUZhi-feng1,ZHANGAn-long1,WANGZhi-jie1,TANKai2,LIHao2(1.Dept.ofPulpingandPapermaking,NorthwestInstituteofLightIndustry,Xianyang712081,China;2.Xi′anTongriNewMaterielDevelopingCo.ltd,Xi′an710068,China)Abstract:Thekey-scienceandtechnologyprojecttitledG9713(Xian)havebeendoneinFeng-dongPaperMill.Theexperimentfocusonpulpingblackliquidtreatmentbyanaerobic/aero-biccombinedprocesses.Asaresult,CODremovedrateaverage43%,BOD5removedrateav-erage97%,remove1kgCODyields0.16m3CH4puregas.Keywords:pulpingblackliquidofstraw;factory-experimentprocess;anaerobicprocess;aerobicprocess·24·              17

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