复合生物反应器处理焦化废水试验研究毋海燕

:,,1978,,,。　　*(No.202548)复合生物反应器处理焦化废水试验研究*毋海燕1杨云龙2(1.,　250022;2.,　030024)　　　,,,CODNH3-N。,,CODNH3-N,CODNH3-N670、260mg/L,CODNH3-N94.8%91.4%。　　　　　　　　　[1,2],CODNH3-N,。,,,,。,,[3,4]。。,,、,[4]。　　[5,6],。,,,,CODNH3-N。1　　　、、、、、DO、pH、、、、。、pH。1.1试验条件　　,(20cm×15.2cm×27cm),2cm1、2,7、9cm,;;,MLSS=4500mg/L,SVI=65,,,。1.2　试验设计　　1。pH2。3。1　COD=534mg/L,NH3-N=202mg/LT=28℃,DO=6.7mg/Lt=4、5、6、7、8、9、10、20h2　pHCOD=350～480mg/L,NH3-N=95～120mg/LT=28℃,pH=7.0、7.5、8.0、8.5、9.03　COD=390～1230mg/L,NH3-N=98～245mg/LMLSS=16607mg/LCOD0.028～0.089kgCOD/(kgMLSSd)NH3-N0.007～0.018kgNH3-N/(kgMLSSd)206　　27　3　20056DOI:牨牥牨牭牴牳牭牤jcnki牨牥牥牨牫牳牰牭牪牥牥牭牥牫牥牨牰4　CODNH3-N/h4567891020COD/(mgL-1)1661401281257510910585/%68.973.876.076.686.079.680.384.1NH3-N/(mgL-1)191171104118901099385/%5.415.348.541.655.446.054.057.9　　,CODNH3-N,、pH。1.3　测定方法　　COD:;NH3-N:;pH:5.5～9.0、6.9～8.4,1～14。2　2.1　反应时间对COD和NH3-N去除率的影响　　CODNH3-N41。1　CODNH3-N　　1,,CODNH3-N,COD70～85mg/L,,NH3-N15～60mg/L,,,。、NH3-N;8、10、20h,20h,CODNH3-N,8、10h,NH3-N,8hCOD,,8h。2.2　pH对COD和NH3-N去除率的影响　　2:pHCODNH3-N。pH7.0～9.0,COD,75%～95%,pH8.5。pH7.5～8.7,,COD76%;pH7.7～8.7,NH3-N,70%～85%,pH8.5,pH7.9～8.6,NH3-N80%,pH79,NH3-N,:①pH,,NH3-N;②pH,;③pH,,NH3-N;④pH,,;pH,NH3-NCOD;pH,pHNH3-N;,pH,,。。　　3:pH7.3～9.0,7.5～8.6,80%～90%,pHCODNH3-N。2　pHCODNH3-N5　pHCODNH3-NpHCODNH3-NNO-3pHCODNH3-NNO-37.0476.796.916.24.5113.564.129.27.5356.6112.17.55.083.640.441.58.0371.5115.47.05.261.322.252.88.5392.498.16.55.535.815.263.59.0378.4118.515.35.884.652.664.9207　6　CODNH3-NCODNH3-NCOD/(mgL-1)COD/(kgCOD(kgMLSSd)-1)NH3-N/(mgL-1)NH3-N/(kgNH3-N(kgMLSSd)-1)COD/(mgL-1)NH3-N/(mgL-1)1538.90.067121.90.0126245.680.42576.30.068108.90.0128285.658.33565.60.074106.90.0139329.864.74581.60.077110.00.0146357.474.75554.90.080104.90.0150397.386.96533.60.081100.90.0154667.395.73　pH　　,pH7.5～8.6。2.3　污泥负荷对COD和NH3-N去除率的影响。　　4,COD,COD;COD0.067～0.080kgCOD/(kgMLSSd),COD30%～55%,COD0.067kgCOD/(kgMLSSd)COD,COD0.081kgCOD/(kgMLSSd),COD,,,,,,,COD。0.08kgCOD/(kgMLSSd),,。4　COD5　NH3-N　　5:NH3-N,NH3-N,NH3-N0.0147kgNH3-N/(kgMLSSd),NH3-N30%,NH3-N0.0147kgNH3-N/(kgMLSSd),NH3-N,NH3-N,CODNH3-N。2.4　最佳运行条件下COD和NH3-N的去除效果　　6,COD、NH3-N。COD554～670mg/L,34～90mg/L,86.6%～94.8%;NH3-N202～258mg/L,22～79mg/L,61.3%～91.4%;NO-37.6～16.3mg/L,29.3～78.4mg/L,60.8%～90.3%。6　3　　　　(1),CODNH3-N。　　(2):8h,25.0～31.0℃,DO6.59～6.83mg/L,pH7.5～8.6,COD0.047kgCOD/(kgMLSSd),NH3-N0.0104kgNH3-N/(kgMLSSd)。　　(3):COD、NH3-N。CODNH3-N670、260mg/L,COD79mg/L,(COD≤100mg/L),CODNH3-N94.8%91.4%。　　(4),COD、NH3-N,COD(COD≤100mg/L),NH3-N,NO-3,,,208　　27　3　20056:　,,1976,,。#。,,,NH3-N,NO-3N2。1　,,　,.A-A/O.,1992,8(2):7～122　..,1992,12(3):141～1463　,,　..,1997,17(1):58～604　,,　,..,1999,25(2):40～435　CantetJ.Upgradingperformanceofanactivatedsludgeprocessthroughadditionoftalqueouspowder.Wat.Sci.Tech.,1996,34(5～6):75～836　,,..,1998,19(1):62～65责任编辑:陈泽军　(:2004-08-29)厌氧折流板反应器处理化纤厂棉浆粕综合废水的实验研究张波1陈金龙1#　王1　张炜铭1　孙剑辉2(1.,　210093;2.,　453002)　　(ABR)。:ABR,,HRT1d、COD3360mg/L、(OLR)3.36kgCOD/(m3d),COD71.5%,COD958mg/L;pH,,。　　　　　　　(、),,()。,。,、、,、、、。,、、。、、、、、,,、、、、pH12.5、。,pH2,。　　(AnaerobicBaffledReac-tor,ABR),McCarty1981[1],、、、、。,ABR,ABR、、[2～4]。ABR,。1　1.1　试验装置　　ABR,,600mm×170mm×450mm,34L,5,,,1。,(35±1)℃,ABR,∪,,。1　ABR1.2　废水水质　　pH,12.5,,pH2。。,,,pH。1。209　(SchoolofChemicalandEnvironmentalEngineering,BeijingTechnologyandBusinessUniversity,Beijing100037)Directingtotheproblemofscaleformationinwetdesulfu-rizationwithlime,theprocessofwetFGDwithlimewassimula-tedinbubblebed.Throughtheanalysisofthecomponentsofdesulfurizationsolutionandtakingreactionmechanismintoac-count,theeffectofpHvalueonscaleformationwasdiscussed.TheexperimentresultsshowedthatavoidingscaleformationandhighdesulfurizationefficiencycouldbeobtainedwhenthepHvalueswere6.0～8.0,andamethodforpredictingthetendencyofscaleformationwasproposed.Keywords:ScaleformationpHPredictingStudyonmagnesiaactivityinflue-gasdesulphrizationLiJuan　QianFeng　LiJianyu(BeijingTechnologyandBusinessUniversity,Beijing100037)Toimproveefficiencyofwetmagnesiaflue-gasdesul-phrization,differentactivitymagnesiawaspreparedbycalci-ningatarangeof550～800℃.Therelationshipamongcal-ciningtemperature,magnesiacrystalstructureandactivitywasanalyzedbyX-raydiffraction(XRD).Usingbubblingdesulphrizationequipmenttests,itwasfoundthatthehigherdesulphrizationefficiencywasobtained,thehigheractivityofmagnesiawas.Keywords:FGDMagnesiaActivityX-xaydiffractionTreatmentofhighlyconcentratedmonosodiumglutamatewastewaterwithcoriolusversicolorJiaCuiying1　ZhangYuhui2　CongWei1(1.StateKeyLaboratoryofBiochemistryandBioengi-neering,InstituteofProcessEngineering,ChineseAcade-myofSciences,Beijing100080;2.HenanAgriculturalofUniversity,ZhengzhouHenan450002)Biologicaltreatmentofhighlyconcentratedmonosodiumglu-tamatewastewaterbycoriolusversicolorwasinvestigated.ItisfoundthatbothCODandcolorcanberemovedeffectivelyfromthewastewaterusingcoriolusversicolor.Theby-productsob-tainedintheeffluentsmaybeusedasfeedmaterialswithoutanysecondarypollution.ThehighestremovalsofCODandcolorwerefoundtobeover49%and56%respectivelyat30%mono-sodiumglutamatewastewater.Theby-productfeedmaterialsintheeffluentwas5.8g/L.WhenpHvaluewas5.0,around50%COD