UASB厌氧消化器对丙酮丁醇废醪处理的研究吴香强

StudiesonWaysofRemovingSulphatesInhibitioninHighSulphateWastewaterAnaerobicDigestionGuYunxuan,FuZhengge;HuangZhilong,DangYi(BiogasResearchInstituteofMinistryofAgricultureofChina)Abstract:Physicalchemistryandanaerobicdigestiontechnologieswereemployedtostudythewaysofremovingsulphatesinhibitioninhighsulphatewastewateranaerobicdigestion.ByaddingHS-1withironsaltsasitsmaincomposi-tion,theresultsshowedthattheefficiencyofmolassesalcoholwastewatertreatmentishigh.Thestableoperationwasob-tainedunderloadingrateover8.0gCOD/(L.d),thevolumetricgasproductionratewasover3L/(L.d);theCODremovalratewas75%～78%;TheH2Scontentinbiogaswasbelow10mg/m3,lowerthanthecitygasstandard(20mg/m3).Keywords:Highsulphatewastewater,Sulphateinhibition,Anaerobicdigestion.5　1　IsaZiaidal.Appl.Environ.Microbiol.,1986;51:572～579.2　,..,1988。3　HiltonMG.:.,1991;1:31～33。UASB、吴香强　钱贻伯　颜秀琴　樊映明　朱　辉(　　610041)　:采用UASB厌氧消化器对丙酮、丁醇废醪进行了厌氧处理研究,结果表明:经固液分离后的丙酮、丁醇废醪(COD浓度约20.0g/L)进UASB厌氧消化器处理,HRT为2.5天,启动COD负荷为2.5g/(L.d),运行负荷8.9g/(L.d),COD去除率达92%,容积产气率3.2L/(L.d),甲烷含量63%。:UASB,厌氧消化器,丙酮、丁醇废醪1　、,,70。1%～3%,COD15.0～30.0g/L。,,,。UASB,、,。2　2.1　试验装置;160mm,550mm,500mm,10L。2.2　试验水质、。UASB:25℃,pH5.6,BOD57.26g/L,CODcr15.3g/L2250,0.93g/L,TS1.4%。2.3　分析方法16　ChinaBiogas1996,14(4)CODcr:;:;BOD5:CB-1BOD;pH:pS-25;SS:;:;:;TS:;:。3　,:,,,HRT。3.1　污泥驯化期35℃,15UASB。2/5。CODcr8.00g/L,4L,HRT60,COD。1、1。1　UASB(L/d)HRT(h)(d)(g/L.d)(L/L.d)CODcr(g/L)(%)BOD5(g/L)(%)()SS(g/L)CH4(%)1460372.801.06.870.84882.270.2191750554.120.386024.553366.902.815.31.21937.260.159822501878.230.88643460348.913.022.41.709211.00.6594518647410.91.0763412.519.6725.121.64.180.61862.060.2190689634.020.40621　、HRTCODcr·-·CODcr　Δ·Δ　...HRT37,1,20,,2g/(L.d),CODcr90%;20,,2g/(L.d),CODcr90%;CODcr3g/(L.d),CODcr,,。3.2　逐步提高负荷期2.5gCOD/(L.d),36,35℃,HRT53,1、1。1、HRTCODcr,10,8g/(L.d),HRT40,CODcr80%。20,7g/(L.d),HRT60,CODcr90%。3.3　满负荷运行期,CODcr,UASB、。1、1。17　ChinaBiogas1996,14(4)36,4L/d,35℃,HRT60。1,,9g/(L.d),CODcr90%;10g/(L.d),CODcr90%;9g/(L.d),CODcr90%。3.4　HRT极限运行期,CODcr,HRT。,UASB、,。72,12.2L/d,35℃,HRT19.6。1、1。1,4g/(L.d),HRT20,CODcr85%。40,HRT30,CODcr4g/(L.d),CODcr85%。,4g/(L.d),HRT20。4　(1)UASB、,,UASB。SSUASB。(2),,。(3),CODcrHRT,,HRT,CODcr。(4),HRT2.5,9g/(L.d),CODcr90%。AStudyonAnaerobicTreatmentofdistilleryWastewaterwithUASBDigesterWuXiangqiang,QianYibo,YanXiuqin.(BiogasResearchInstituteofMinisitryofAgricultureofChina)Abstract:UASBanaerobicdigesterwasusedtotreatthedistillerywastewaterfromacetoneandbutanolproducingfactory.TheresultshowedaCODcrremovalof92%,Volumetricgasproductionrateof3.2L/(L.d)withamethaneContentof63%under35℃operationtemperture,2.5daysofHRTand8.9g/(L.d)ofCODloadingrate.Thestartinguploadingratewas2.5gCOD/(L.d).Keywords:UASBdigester,　Anaerobictreatment,　Distillerywastewater《》1997《长江蔬菜》是由农业部农业司、武汉市蔬菜办公室主办,上海等15个省市蔬菜主管部门联合协办的蔬菜科技期刊,以实用技术为主,每月8日出版,16开本。每期定价3.80元,全年45.60元。国内外公开发行,邮发代号38-129,全国各地邮局(所)均可办理订阅。18　ChinaBiogas1996,14(4)