常温厌氧处理真丝印染废水的技术研究沈东升

浙江大学学报()　31(6):750～754,2005JournalofZhejiangUniversity(Agric.&LifeSci.):1008-9209(2005)06-0750-05　　:2004-09-13:(1963—),,,,、Tel:[phone];E-mail:shends@zjueducn沈东升,刘新文(,310029)　:采用复合式厌氧反应器常温处理低浓度真丝印染废水,在进水COD约为300mg牤L,色度400倍,有机负荷分别小于10kgCOD牤(m3ꆤd)和1.5kgCOD牤(m3ꆤd),水力停留时间(HRT)分别在10.8h和5.5h的条件下,出水COD分别100mg牤L和150mg牤L,出水色度分别50和80,均达到国家规定的一、二级污水排放标准工艺技术经济分析表明采用复合式厌氧反应器常温处理低浓度印染废水是可行的　　:厌氧生物处理;印染废水;复合式厌氧反应器:X703.1　　　:ASHENDong-sheng,LIUXin-wen(DepartmentofEnvironmentEngineering,ZhejiangUniversity,Hangzhou310029,China)StudyontreatmentoftherealsilkprintanddyeingwastewaterwiththeanaerobicbiotechnologyunderambienttemperatureJournalofZhejiangUniversity(Agric.&LifeSci.),2005,31(6):750-754Abstract:ThecombinedanaerobicreactorwasusedtodealwithlowCODconcentrationwastewaterfromtherealsilkprintanddyeingindustryWhenCODininfluentwasabout300mgL,influentcolordilutionfactorwas400,theorganicloadwaslessthan10kgCOD(m3ꆤd)and15kgCOD(m3ꆤd)andthehydraulicretentiontimewas108hoursand55hours,CODintheeffluentwaslessthan100mgLand150mgL,effluentcolordilutionfactorwaslessthan50and80,respectively,whichsatisfiedthenationalfirstandsecondrankdischargestandardItwasdemonstratedtobefeasiblebythetechnologicalandeconomicalanalysisKeywords:anaerobicbiotreatment;printanddyeingwastewater;combinedanaerobicreactor　　,,、、,、,,,BOD5,80%,COD,,,,,:,;、COD30%,、、、、、、,CODCODCr1000mgL,、,、()、,,、、,1　材料和方法1.1　,32.4mL(gVSSꆤd)1.2　,5.8cm,63.5cm,1790mL,1210mL,,2～3cm,(28±1)℃11#,(HRT)12h;2#,(HRT)6h1-;2-;3-;4-;5-;6-1　Fig1　Diagramofcombinedanaerobicreactorsystemtreatingthedyeingandprintingwastewater1.3　,,11　Table1　ExperimentwaterqualityNH4ClKH2PO4K2HPO4ꆤ3H2ONaHCO3(gꆤL-1)27.50.37.52.51.333()pHCODCr(mgꆤL-1)125～12006.14～8.76220～3371.4　(1～20d)、(20～47d)(47～70d)3,,130～1501#COD65%,2#COD40%,,;,,(25%751　6浙江大学学报()50%、75%、100%);100%1.5　,pH、、CODCr,pHmVpH-;;CODCr-;BSD-0.5;-UV75002　结果与讨论2.1　1#2#,pH22　1#、2#pHFig2　ChangeofpHininfluentandeffluentofReactor1#,2#　　2,COD1000～2000mgL,1#2400mLd,1#COD65%,0.58m3(m3ꆤd),pH7.0;2#5700mLd,COD40%,0.4m3(m3ꆤd),、,2#pH,,,20d,pH,20d,1#COD406～654mgL,COD88.4%,84.6%,COD50mgL50;2#COD300～654mgL,COD60%,63.4%,COD80mgL802,,2.2　COD231～337mgL,125～6251#0.5～1.0kgCOD(m3ꆤd)、HRT10.8h,COD123～54mgL,100～10,COD63.5%～795%,76%～95%;2#1.0～1.5kgCOD(m3ꆤd),HRT5.5h,COD134～62mgL,250～20,COD55.4%～76.6%,60%～92%,,2.2.1　产气量　　3CODCOD3,CODCOD,,,10,COD,,,2.2.2　COD和色度的去除　　2COD2,1#COD75231　,:,COD70%,85%,2#COD,COD554%～766%,60%～92%,,2,COD、3　CODCODFig3　RelationshipbetweenCODvolumeloadandCODvolumeremovalloadorvolumegasproductionvelocity2　CODTable2　RemovalrateofCODandcolorunderdifferentorganicvolumeloadCOD(mgꆤm-3ꆤd-1)COD(mgꆤL-1)COD(mgꆤL-1)COD%()()%5.17911.533712363.5625100845.18944.933710967.75.21674.53379970.662550921#5.25483.22316970.112530765.28543.62315377.112520845.31537.32687073.912510926.3616.52645479.525012.5955.171142.43378076.3625250605.181215.33377976.65.211321.733713460.262550922#5.251074.623110355.412530765.281079.62319160.612520845.31987.62688568.312520846.31103.82646276.52502092　　44,,,2.2.3　水质水量变化对COD和色度去除率的影响　　,COD867mgL、780,6h,1#COD124mgL,COD84.8%,100,87.2%;2#COD328mgL,COD62.1%,200,74.4%,,,753　6浙江大学学报()4　-Fig4　Ultraviolet-visiblespectrumofinfluentandeffluentofcombinedanaerobicreactor2.3　,1000m3,500(tꆤd),,0.10(tꆤd);——————,1000～2000(tꆤd)(),0.5(tꆤd),0.20(tꆤd)0.8,70%,12,3　结　论　　COD300mgL、400,1.0kgCOD(m3ꆤd)、(HRT)10.8h,COD100mgL50,;1.5kgCOD(m3ꆤd)、(HRT)5.5h,;1270%References:1　LIYa-xin()Studyonthetreatmentoftheprintanddyeingwastewaterusingtheanaerobicbio-filtertankwiththeplasticholeboardripplepaddingJChinaWaterandWastewater(),1995,11(5):16-19(inChinese)2　LIUJian-rong()MagneticmaterialcatalyticanaerobicfluidizedbedfortreatmentofdyeingwastewaterJChinaEnvironmentalScience(),1996,16(1):64-67(inChinese)3　MINHang()StudiesonthecharacteristicsofstartupoftheanaerobicdigestorwithsludgeimmobilizedbyPVAJJournalofZhejiangAgriculturalUniversity(),1996,22(1):13-18(inChinese)4　CHENGGuo-feng()ApplicationofanaerobictreatmentontheprintanddyeingwastewaterJChinaBiogas(),1997,15(1):3-6(inChinese)5　ZHENGPing,FANGShi(,)TreatmentofbrewerywastewaterwiththepilotanaerobicattachedmicrobialfilmexpandedbedreactoratambienttemperatureJJournalofZhejiangAgriculturalUniversity(),1993,19(3):287-292(inChinese)6　ZHENGGuang-hong,GUGuo-wei(,)Treatmentofpolyvinyl-alcoholwastewaterusingcombinedanoxicdenitrification-aerobicprocessJEnvironmentPollutionandPrevention(),2003,25(6):326-328(inChinese)7　LiXZ,ZhaoYGAdvancedtreatmentofdyeingwastewaterforreuseJWaterScienceandTechnology,1999,39:249-2558　LiXZ,ZhangMDecolorizationandbiodegradabilityofdyeingwastewatertreatedbyaTiO2-sensitizedphoto-oxidationprocessJWaterScienceandTechnology,1996,34:49-5575431