欢迎来到人人文库网! | 帮助中心 人人文库renrendoc.com美如初恋!
人人文库网
首页 人人文库网 > 资源分类 > PDF文档下载

外文翻译--两段式厌氧固定床反应器处理含愈创木酚废水的研究 英文版.pdf

  • 资源大小:720.98KB        全文页数:5页
  • 资源格式: PDF        下载权限:游客/注册会员/VIP会员    下载费用:5
游客快捷下载 游客一键下载
会员登录下载
下载资源需要5

邮箱/手机号:
您支付成功后,系统会自动为您创建此邮箱/手机号的账号,密码跟您输入的邮箱/手机号一致,以方便您下次登录下载和查看订单。注:支付完成后需要自己下载文件,并不会自动发送文件哦!

支付方式: 微信支付    支付宝   
验证码:   换一换

友情提示
2、本站资源不支持迅雷下载,请使用浏览器直接下载(不支持QQ浏览器)
3、本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰   

外文翻译--两段式厌氧固定床反应器处理含愈创木酚废水的研究 英文版.pdf

第33卷第4期2007年12月延边大学学报自然科学版JOURNALOFYANBIANUNIVERSITYNATURALSCIENCEVOL33NO4DEC2007收稿日期2007208222基金项目教育部留学回国人员科研启动基金资助项目20052383号作者简介尹成日1963,男朝鲜族,博士,教授,研究方向为环境污染物的生物处理文章编号10042435320070420259205TREATMENTOFWASTEWATERCONTAININGCHLOROGUAIACOLSUSINGTWO2STAGEANAEROBICFIXEDBEDREACTORYINCHENG2RI1,GAOZAI2YUAN21KEYLABORATORYOFORGANISMFUNCTIONALFACTORSOFTHECHANGBAIMOUNTAIN,MINISTRYOFEDUCATION,YANBIANUNIVERSITY;2LIBRARYOFYANBIANUNIVERSITYYANJIJILIN133002,CHINAABSTRACTANAEROBICTREATMENTOFWASTEWATERCONTAININGCHLOROGUAIACOLSWASSTUDIEDWITHFOCUSONTHEREMOVALOFCHLORINATEDGUAIACOLSEXPERIMENTSWERECARRIEDOUTUSINGALABORATORY2SCALEANAEROBICFIXEDBEDREACTOROPERATEDATDIFFERENTHYDRAULICRETENTIONTIMESHRTSTHEPROCESSEFFICIENTLYREMOVEDFOURTYPESOFCHLORINATEDGUAIACOLSWHENTHEHRTWAS24HINTHISCONDITION,ALLCHLORINATEDGUAIACOLSWEREALMOSTCOMPLETELYREMOVEDTHEMICROBIALCOMMUNITYSTRUCTUREINTHEREACTORWASNOTCHANGEDSIGNIFICANTLYDURINGOPERATINGPERIODKEYWORDSANAEROBICTREATMENT;CHLOROGUAIACOLS;FIXEDBEDREACTORCLCNUMBERX7031DOCUMENTCODEA1INTRODUCTIONTRADITIONALLY,THECONCERNOVERDISCHARGESFROMTHEPULPANDPAPERINDUSTRYHASBEENFOCUSEDONTHERISKOFFIBERDEPOSITIONSANDOXYGENDEFICIENCYINRECENTYEARS,HOWEVER,INTERESTHASSHIFTEDTOWARDSTHEENVIRONMENTALIMPACTOFCHLORINATEDORGANICCOMPOUNDSINTHEEFFLUENTS,RESULTINGFROMPULPBLEACHINGWITHCHLORINE2CONTAININGCHEMICALSMANYCHLORINATEDORGANICCOMPOUNDSOFLOWMOLECU2LARMASSAREKNOWNTOBETOXIC,BIOACCUMULABLE,MUTAGENICANDPERSISTENTANDITISTHEREFOREIMPORTANTTOAVOIDRELEASINGSUCHCOMPOUNDSINTOTHEENVIRONMENTCONVENTIONALAEROBICBIOLOGICALTREATMENTEMPLOYINGAERATEDLAGOONSANDACTIVATEDSLUDGEPROCESSESISCOMMONLYUSEDATPULPANDPAPERMILLSTOREMOVEBIOCHEMICALOXYGENDEMANDBODFROMTHEEFFLU2ENTSTHESETREATMENTMETHODSREMOVEALSOASIGNIFICANTPARTOFABSORBABLEORGANICHALOGENSAOX;THEAOXREMOVALRANGINGFROM20TO60HASBEENREPORTED1HOWEVER,AEROBICTREATMENTGENERAL2LYHASAPOOREFFECTONPOLYCHLORINATEDCOMPOUNDSUNDERAEROBICCONDITIONS,CHLORINATEDGUAIACOLSANDPHENOLSCANBEO2METHYLATEDTOTHECORRESPONDINGANISOLESANDVERATROLES,WHICHAREMORERESISTANTTOBIODEGRADATIONANDHAVEHIGHERPOTENTIALFORBIOACCUMULATIONINFISH2ANDMANYVOLATILECHLORO2ORGANICCOMPOUNDS,SUCHASCHLOROFORM,ARELIKELYTOBEREMOVEDFROMTHEEFFLUENTBYSTRIPPINGRATHERTHANBYBIODEGRADATION,RESULTINGINANUNCONTROLLEDEMISSIONOFTHESECOMPOUNDSINTOTHEENVIRONMENTSTUDIESONANAEROBICTREATMENTOFBLEACHINGPLANTEFFLUENTHAVESHOWNTHISTREATMENTTOHAVESEVERALADVANTAGESASCOMPAREDTOAEROBICTREATMENTPOLYCHLORINATEDCHLOROPHENOLICSAREREMOVEDSIGNIFICANTLY,AHIGHERAOXREMOVALISACHIEVEDANDTHEPHYTOTOXICCHLORATEELIMINATEDFURTHERMORE,ANAEROBICTREATMENTSHOULDBEASIGNIFICANTLYMORECOST2EFFICIENTWAYTHANAEROBICTREATMENTTOREMOVEBOD,PROVIDINGTHATANEFFICIENTCONVERSIONOFORGANICMATTERINTOBIOGASCANBEMAINTAINEDINTHEPROCESSTHUSFAR,MOSTINVESTIGATIONSHAVEBEENFOCUSEDONTHEREMOVALOFUNSPECIFIEDAOXHOWEVER,THEDEGRADATIONOFSPECIFICCOMPOUNDS,EGCHLORINATEDGUAIACOLSINTHEANAEROBICTREATMENTPROCESSHASNOT19942009CHINAACADEMICJOURNALELECTRONICPUBLISHINGHOUSEALLRIGHTSRESERVEDHTTP//WWWCNKINET延边大学学报自然科学版第33卷BEENSYSTEMATICALLYSTUDIEDTHEAIMOFTHEPRESENTSTUDYWASTOEVALUATETHEPOSSIBILITYOFACHIEVINGCHLOROGUAIACOLSTETRACHLOROGUAIACOLTECG,4,5,62TRICHLOROGUAIACOL4,5,62TRICG,4,52DICHLOROGUAIACOL4,52DCG,AND42CHLOROGUAIACOL42CGREMOVALINTHETWO2STAGEANAEROBICFIXEDBEDREACTOR2MATERIALSANDMETHODS21SYNTHETICWASTEWATERCONTAININGCHLOROGUAIACOLSSYNTHETICWASTEWATERCONTAINEDMIXTURESOF42CG,4,52DCG,4,5,62TRICG,ANDTECGTHEWASTEWATERWASSUPPLIEDWITH02GYEASTEXTRACT,01GNH4CL,27MGKH2PO4,25MGMGSO47H2O,113MGCACL2,28MGFESO4H2O,55MGMNCL2H2O,068MGZNCL2,12MGCOCL26H2O,12MGNISO44H2O,0025MGNA2MOO42H2OAND0026MGNA2SEO35H2OL1THECONCENTRATIONOFALLFOURCHLOROGUAIACOLSINTHESYNTHETICWASTEWATERWAS005MMGLUCOSEASELECTRONDONORFORANAEROBICDECHLORINATIONWASUSEDTHECOMPOUNDWASADDEDTOTHESYNTHETICWASTEWATERINANAMOUNTCORRESPONDINGTO1000MGCODL122ANAEROBICDIGESTERSLUDGETHEANAEROBICDIGESTERSLUDGEHADBEENOBTAINEDFROM3500M3ANAEROBICDIGESTERREACTORINOPERA2TIONFOR10YEARSATTHEHYDRAULICRETENTIONTIMEOF25DAYSOFTAEJONSEWAGETREATMENTPLANTINKOREATHESLUDGEWASSTOREDAT4℃INGAS2TIGHTPLASTICCONTAINERFORAMAXIMUMPERIODOFFIVEMONTHSINTHEASSAY,174GVOLATILESUSPENDEDSOLIDL1RATIOOFVSSTOSSWAS056∶1OFTHEANAEROBICSLUDGEWASUSED23REACTORDESIGNANDOPERATIONTWOIDENTICALREACTORSR1ANDR2,DESIGNEDASANAEROBICFIXEDBEDREACTORANDCONSTRUCTEDOFPOLYVINYLCHLORIDEPVC,WEREUSEDINTHESTUDYEACHREACTORWAS70CMINDIAMETER,ANDHEIGHTFROMTHEINLETTOTHEOUTLETWAS480CMTHISPROVIDEDANEFFECTIVEBEDVOLUMEOF14LATTHETIMEOFEXPERIMENTATION,THESLUDGEDEPTHWASAPPROXIMATELY340CMTHEREACTORSWEREOPERATEDATHYDRAULICRETENTIONTIMESHRT,BASEDONTHEREACTORLIQUIDVOLUME,OF12,AND24HOURS,PLACEDINATEMPERATURECONTROLLEDROOMAT30℃THEPHOFTHEBLEACHINGPLANTEFFLUENTWASMEASUREDANDADJUSTEDTO75WITH2MH2SO4THEREACTORSWEREFILLEDWITHCERAMICSPHERESDIAMETER≈5MMASSUPPORTMEDIUMFORANAEROBICDIGESTERSLUDGEWASTEWATERWASFEDTOTHESYSTEMBYAPERISTALTICPUMPINITIALLY,THEREACTORSWEREINOCULATEDWITHANAEROBICDIGESTERSLUDGE,ANDTHENSTARTEDUPANDOPERATEDFORAWEEKONTHESYNTHETICWASTEWATERATALOWFEEDRATEHRT48HTOALLOWTHESLUDGETOACCLIMATIZETOTHECHLORINATEDGUAIACOLS24NUCLEICACIDEXTRACTIONANDPCRAMPLIFICATIONOF16SRDNADNAWASEXTRACTEDWITHHOTSODIUMDODECYL2SULFATE2PHENOLANDWASPURIFIEDBYUSINGPHENOL2CHLOROFORM2ISOAMYLALCOHOL25∶24∶1,V/V/V,FOLLOWEDBYETHANOLPRECIPITATION;ABOUT100MGFRESHWEIGHTOFSLUDGEANDTHEPROTOCOLOFOELMULLERETAL3WEREUSEDFRAGMENTSOFTHE16SRIBOSOMALDNARDNASUITABLEFORDENATURINGGRADIENTGELELECTROPHORESISDGGEANALYSISWEREOBTAINEDBYUSINGTWODIFFERENTPRIMERCOMBINATIONSFORDIFFERENTPHYLOGENETICLINEAGESTABLE1;ONECOMBINATIONWASUSEDFORMEMBERSOFTHEDOMAINBACTERIA4,THEOTHERCOMBINATIONWASUSEDFORMEMBERSOFTHEDOMAINARCHAEA5THELENGTHSOFTHEPCRPRODUCTSWERE585AND624BP,RESPECTIVELYRECENTLY,RESEARCHERSHAVESHOWNTHATTHEBACTERIALPRIMERCOMBINATIONCONSISTINGOFPRIMERS341FAND907RUSEDHEREPROVIDESTHEMOSTRELIABLERESULTS6THEPCRCONDITIONSUSEDFORTHEBACTERIALPRIMERSETSHAVEBEENDESCRIBEDPREVIOUSLYBYMUYZERETAL4TOAMPLIFYTHEARCHAEALGENES,WEUSEDATOUCHDOWNPROTOCOLFOR20CYCLESWITHTEMPERATURESRANGINGFROM71TO61℃;THEANNEALINGTEMPERATUREWASREDUCED1℃EVERYTWOCYCLESTHISPROCEDUREWASFOLLOWEDBY15ADDITIONALCYCLESATANANNEALINGTEMPERATUREOF61℃EXCEPTFORTHE06219942009CHINAACADEMICJOURNALELECTRONICPUBLISHINGHOUSEALLRIGHTSRESERVEDHTTP//WWWCNKINET第4期尹成日,等两段式固定床厌氧反应器处理含愈创木酚废水的研究INITIALDENATURATIONSTEP94℃,5MIN,DENATURATIONANDANNEALINGPHASESTEPSWERE1MINLONG,WHILEMOSTOFTHEPOLYMERIZATIONPHASESTEPSWERE3MINLONGTHEONLYEXCEPTIONWASTHEFINALCYCLE,WHICHWAS10MINLONGTABLE1SEQUENCES,TARGETSITES,ANDSPECIFICITIESOFTHEPRIMERSUSEDINTHISSTUDYPRIMERATARGETSITEBSEQUENCE5’TO3’SPECIFICITY341F2GCC341~357CCTACGGGAGGCAGCAGMOSTBACTERIA907R907~926CCGTCAATTCCTTTGAGTTTMOSTKNOWNORGANISMSARC344F2GC344~363ACGGGGYGCAGCAGGCGCGAMOSTARCHAEAARC915R915~934GTGCTCCCCCGCCAATTCCTMOSTARCHAEAAFFORWARDANDRREVERSEINDICATETHEORIENTATIONOFTHEPRIMERSINRELATIONTOTHERRNASEQUENCESBESCHERICHIACOLINUMBERINGOFBROSIUSETAL7CGCISA402NUCLEOTIDEGC2RICHSEQUENCEATTACHEDTOTHE59ENDOFTHEPRIMERASDESCRIBEDBYMUYZERETAL4THEGCSEQUENCEIS5’2CGCCCGCCGCGCCCCGCGCCCGTCCCGCCGCCCCCGCCCG23’25DGGEANALYSISOFPCRPRODUCTSDGGEWASPERFORMEDFOR40HATACONSTANTVOLTAGEOF200VABOUT600NGOFPCRPRODUCTWASDEPOSITEDINEACHWELLAFTERELECTROPHORESIS,THEGELSWERESTAINEDWITHGELSTARNUCLEICACIDSTAINTAKARA,JAPANANDPHOTOGRAPHEDWITHUVTRANSILLUMINATIONWAVELENGTH,314NMWITHAPOLAROIDCAMERA26ANALYSISOFCHLOROGUAIACOLSANDVSSTHEHEXANEEXTRACTSOFACETYLATEDSAMPLESWERETHENINJECTEDINTOTHEGASCHROMATOGRAPHY,FORCHLORINATEDGUAIACOLSANALYSISALLGASCHROMATOGRAPHYEXPERIMENTSWEREPERFORMEDWITHAHEWLETTPACKARDMODEL5890SERIESⅡINSTRUMENTEQUIPPEDWITHAFLAMEIONIZATIONDETECTORAFUSEDSILICACAPILLARYCOLUMN30M053MM265ΜMWASUSEDTHEINITIALOVENTEMPERATUREWASHELDAT100℃FOR1MINANDTHENINCREASEDATARATEOF6℃/MINTOAFINALTEMPERATUREOF260℃INJECTIONPORT,ANDDETECTORWEREHELDAT275℃HELIUMWASUSEDASACARRIERGASATAFLOWRATEOF30ML/MINVSSWEREDETERMINEDACCORDINGTOTHESTANDARDMETHODS827CHEMICALSCHLORINATEDGUAIACOLSTHATAREUSUALLYPRESENTINRATHERHIGHCONCENTRATIONSINBLEACHINGPLANTEFFLUENTWEREANALYZEDANDUSEDASINDICATORSOFTREATMENTEFFECTTHECHLORINATEDGUAIACOLSPURITYTETRACHLO2ROGUAIACOL99,4,5,62TRICHLOROGUAIACOL99,4,52DICHLOROGUAIACOL99,42CHLOROGUAIACOL90~95WEREPURCHASEDFROMHELIXBIOTECHCORPCOLUMBIA,NEWWESTMINSTER,BC,CANADAOTHERCHEMICALSWEREREAGENTGRADEANDWEREPURCHASEDFROMTHEUSUALCOMMERCIALSOURCESNITROGENGASOF99999V/VPURITYWASUSEDWITHOUTANYTREATMENT3RESULTSANDDISCUSSIONHYDRAULICRETENTIONTIMEHRTISONETHEMOSTIMPORTANTFACTORSAFFECTINGTHEBIOREACTOREFFICIENCYTOINVESTIGATETHEBIODEGRADATIONEFFICIENCYOFCHLORINATEDGUAIACOLSINRESPONSETOTHEVARIANCEOFHRT,SYNTHETICWASTEWATERCONTAININGCHLOROGUAIACOLSWASCONTINUOUSLYFEDINTOTHETWO2STAGEANAEROBICFIXEDBEDREACTOR,VARYINGTHEHRTFROM24TO12HOURSDURINGTHEOPERATIONALPERIODTHEPHREMAINEDCON2STANT,BETWEEN70AND80ASSHOWNINFIG1ANDFIG2,THE4,5,62TRICGAND4,52DCGWEREREMOVEDMORETHAN90,BUTTECGAND42CGSHOWEDUNSTABLEREMOVALINR1THEREMOVALRATESOFTECGAND42CGWERE75~85HOWEVER,ALLCHLORINATEDGUAIACOLSWEREALMOSTCOMPLETELYREMOVEDINR2AFTER2WEEKS,HRTWASDECREASEDFROM24TOTALLOADINGRATEOFFOURTYPESOFCHLORINATEDGUAIACOLSWAS421G/M3DTO12HOURSDURINGTHISPERIOD,ALTHOUGH4,5,62TRICGAND4,52DCGWEREALSOREMOVEDCOMPLETELY,COMPLETEREMOVALOFTECGCOULDNOTBEATTAINEDHOWEVER,AFTERINCREASINGHRTTO24HOURSAGAIN,REMOVAL16219942009CHINAACADEMICJOURNALELECTRONICPUBLISHINGHOUSEALLRIGHTSRESERVEDHTTP//WWWCNKINET延边大学学报自然科学版第33卷EFFICIENCIESOFCHLORINATEDGUAIACOLSWEREQUICKLYRECOVEREDTHEREMOVALEFFICIENCIESOFCHLORINATEDGUAIACOLSINTHETWO2STAGEANAEROBICFIXEDBEDSYSTEMWEREINTHEFOLLOWINGORDER4,52DCG4,5,62TRICG42CGTECGTHISISINACCORDANCEWITHTHERESULTOBTAINEDFROMBATCHTEST●INFLUENTCONCENTRATION○CONCENTRATIONOFR1EFFLUENTCONCENTRATIONOFR2EFFLUENTFIG1REMOVALRATESOFTECGAAND4,5,62TRICGBFIG2REMOVALRATESOF4,52DCGAAND42CGBINTWO2STAGEANAEROBICFIXEDBEDREACTORINTWO2STAGEANAEROBICFIXEDBEDREACTORFROMTHESEEXPERIMENTSITISPOSSIBLETOCONCLUDETHATTHEANAEROBICFIXEDBEDREACTORISANEFFICIENTTREATMENTMETHODFORWASTEWATERCONTAININGCHLOROGUAIACOLSHOWEVER,FINALEFFLUENTSHOULDUNDERGOANADDITIONALTREATMENTEGANAEROBICPROCESSTOCOMPLETELYELIMINATETHERESIDUALFRACTIONOFCHLORINATEDGUAIACOLS2DERIVEDMETABOLITESHAGGBLOMANDSALKINOJA2SALONEN9TREATEDKRAFT2BLEACHINGWASTEWATERINANANAEROBICFLUIDIZEDBEDANDOBTAINEDBETWEEN16~61REMOVALOFCHLORINATEDGUAIACOLSTECG,3,4,5

注意事项

本文(外文翻译--两段式厌氧固定床反应器处理含愈创木酚废水的研究 英文版.pdf)为本站会员(英文资料库)主动上传,人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知人人文库网(发送邮件至[email protected]或直接QQ联系客服),我们立即给予删除!

温馨提示:如果因为网速或其他原因下载失败请重新下载,重复下载不扣分。

关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服客服 - 联系我们

网站客服QQ:2846424093    人人文库上传用户QQ群:460291265   

[email protected] 2016-2018  renrendoc.com 网站版权所有   南天在线技术支持

经营许可证编号:苏ICP备12009002号-5