白酒废水厌氧条件优选的实验研究刘煦晴

　　　　336201106　　　　　　　J.　Wuhan　Inst.　Tech.Vol.33　No.6Jun.　2011　　　:2011-04-08::(1969-),,,,.:.:1674-2869(2011)06-0038-04白酒废水厌氧条件优选的实验研究刘煦晴,贺　珍,邓光天,向　科,熊　诚(武汉工程大学环境与城市建设学院,湖北武汉430074)　:、,:55℃,,、、,24000mg/L,:5:1、HRT48hCOD90.17%、pH7.0、VFA1869mg/L,COD2575mg/L.:,;HRT16h,()HRT32h.:;;;;COD;VFA:X703　　　:A　　　doi:10.3969/j.issn.1674-2869.2011.06.0080　　,,、,COD100000mg/L.,(20000t/a),,,.[1](600t/a)、,、,,,VFACOD,,.1　1.1　1.8(、,,1),,,COD,.SHZ-C,.IC.1　Fig.1　Schematicofequipmentofanaerobicreactor1.1　8(50mL)8,850mL,pH7.0,[2-3],55℃[4].,,,48h,CODVFA,.1.2　、,、6,:39　　　1.1　Tab.1　Characteristicsofthepollutantsinliquorproductswastewatermg/LCODBOD5NH3-NSS1965059203803150100000350005008001.2.1　锅底水、窖底水及两者混合样的高温厌氧实验　　8、50mL8,pH7.0,,.1.2.2　水力停留时间(HRT)对厌氧反应效果影响的实验　　50mL,pH7.0,.8hCOD[5].1.2.3　pH对厌氧反应效果影响的实验　　50mL,pH,.pHCOD[6].1.2.4　厌氧反应过程中VFA与COD去除率及产气量的关系实验　　50mL,pH7.0,.8hCODVFA[7].2　2.1　、、COD23.23,、COD、,COD90%.:5:11COD90.84%,.,:5:11,24000mg/L,COD,24000mg/L.,,:5:11,24000mg/L.2　CODTable2　AnaerobicreactionCODremovalefficiencyandgasproductionsituationCOD/(mg/L)COD/(mg/L)COD/%/(mL)12000120001934.03018.383.8374.8528129814000140002013.03218.685.6277.0132831416000160002170.03380.286.4478.8737939718000180002360.43528.486.8980.4041547320000200002470.03471.187.6582.64443531220003018.486.28629240003988.383.3859626000449982.70547　　　　　　　:20000mg/L.3　COD　Table3　MixwateranaerobicreactionCODremovalefficiencyandgasproductionsituation323141COD/(mg/L)200002200024000260002000022000240002600020000220002400026000COD/(mg/L)3046.42726.42662.433603474.23424.12854.43662.43870.62982.43078.43837.2COD/%84.7787.6188.9187.0882.6384.4488.1185.9180.6586.4487.1785.24/mL523573671597427437602559501531638536516191COD/(mg/L)200002200024000260002000022000240002600020000220002400026000COD/(mg/L)3165.12493.12198.43686.43110.23281.42982.43762.43594.32982.42579.23388.8COD/%84.1788.6790.8485.8284.4585.0887.5785.5382.0386.4489.2586.97/mL41552367553939847155448141654356249740　　　332.2　(HRT)　　HRTCOD2.2　HRTCODFig.2　HRTongasproductionandCODremovalwouldaffecttheresult2,32h,,COD,40h,COD,,48h,COD90.17%,650mL,,,COD,48h.,HRT48h.2.3　pHpHCOD3.3　pHCODFig.3　pHongasproductionandCODremovalwouldaffecttheresult3,pH6.67.0,COD、;pH7.0,COD90.12%,872mL.pH7.07.3,COD.,pH7.0.2.4　VFACODVFA,[8].VFACOD.VFACOD45.4　VFACODFig.4　VFAonCODremovalwouldinfluenceontheresult5　VFAFig.5　VFAtoinfluencetheresultofgasproduction45,HRT16h,VFA,16h,,COD,,HRT16h,VFA,,COD,HRT48h,COD2575mg/L,608mL,,HRT48h,COD.,VFACOD.3　　、:a.(v/v)5:11.b.HRT16hVFA,16h,,COD.c.HRT48h,COD90.17%,650mL,.d.pH7.0.6,:41　　　:,,,COD3000mg/L,.HRT16h,()HRT32h.:[1]　,,,.[J].,2011,34(3):72-75.[2]　,,,.[J].,2009,27(1):78-84.[3]　SenQ,YukiK,ToichiroK,etal.Partialnitritationofrawanaerobicsludgedigesterliquorbyswim-bedandswim-bedactivatedsludgeprocessesandcomparisonoftheirsludgecharacteristics[J].JournalofBioscienceandBioengineering,2008,106(5):433441.[4]　EskiciogluC,KennedyKJ,MarinJ,etal.Anaerobicdigestionofwholestillagefromdry-grindcornethanolplantundermesophilicandthermophilicconditions[J].BioresourceTechnology,2010.[5]　.ABR[D].:,2007.[6]　,,,.[J].JournalofAnhuiAgriSci,2010,38(8):3919-3921.[7]　.[D].:,2006.[8]　KaanY,ZehraS-Z.StochasticmodelingapplicationsforthepredictionofCODremovalefficiencyofUASBreactorstreatingdilutedrealcottontextilewastewater[J].StochEnvironResRiskAssess,2007,23:113-26.LiquorwastewateranaerobicconditionsoptimizationofexperimentsLIUXu-qing,HEZhen,DENGGuang-tian,XIANGKe,XIONGCheng(WuhanUniversityofEngineeringEnvironmentandCivilEngineering,WuhanInstituteofTechnology,Wuhan430074,China)Abstract:Thepotbottomwater、cellarbottomwaterofsaucesweetmodelliquorenterprise,highconcentrationorganicwastewatertreatmentofthepotbottomwaterandcellarbottomwaterofsaucesweetmodelliquorenterprisewasmadeinthelaboratoryathighemperaturewithanaerobicdigestiontest.Theexperimentalresultsshowthatatthehightemperatureof55℃reactionconditions,bycontinuoustraining,ofpotofwater,themixedwatercellarbottomwaterthanisbetterthansinglepotofwaterandbottomwater.Themixedwaterinletconcentrationto24000mg/Lisperferabhle,Bestratioforpotwater:bottomwatercellar5:1,HRT48hCODremovalwouldreachpeak90.17%,bestpH7.0.Inreactorin1869mgVFAconcentrationwhengasproductionpeaked,CODconcentrationcanbereducedto2575mg/L.Parametersoptimizationexperimentresultsshowthatthewastewateranaerobicprocessesexistobvioustwo-phasestage,treatmentprocesstotwo-phaseanaerobicpreferable;HydrolysisacidificationreactorHRTto16hpreferable,anaerobicreactors(methanogenesisstage)HRTcanbecontrolledin32h.Keywords:saucesweetmodelliquorenterprisewastewater;potofwater;cellarbottomwater;anaerobicreaction;COD;VFA本文编辑:张瑞