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16 个结果
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  • 简介:Ultrasound(US)-inducedcavitationisaneffectivewayinoxidizingorganiccontaminantsinwastewatereitherastheindependentoperationunitorincombinationwithotheroxidationmethods.Inthispaper,blackliquorandfiltrateafteracidifyingandsettlingweresonicated.Theeffectofworkingparametersonultrasonicdegradationofblackliquor,suchasdifferentcombinationmethods,frequency,powersupply,initialconcentration,pH,durationtime,ionicstrengthandcatalystwerestudied.Theresultswereasfollows:(1)Attheconditionsof40kHz,100W,4h,pHat6andtemperature30±2℃,utilizingUS/US-H2O2/US-Fenton,weak-orangefiltrateturnedtocolloidwiththeincreaseoftimeandlittlesedimentproducedaftersettling.EspeciallyfiltratecametobemilkwhitecollidesandupperwaterapproachedtonearlyachromaticbyUS-Fenton.ComparedwiththeUS,US-H2O2/US-FentonCOD(Chemicaloxidationdemand)removalratiocanincrease15%,30%respectively.Becauseofmorehydroxylradicalsproducedinthereactionprocess;(2)Attheconditionof100Wand4h,thedegradationefficiencyofblackliquorwasbetterat40kHzoverat20kHz.Moreoverblackliquorcanbebiodegradedeasily.Thosebasedonthatthebigmoleculeofcontaminantsinaqueoussolutioncanbechangedintothelittlemoleculewithultrasound(3)Attheconditionof40kHzand4h,theCODremovalratioofblackliquorwasmorehigherat60Wthanat80W,whiletheremovalratioofCODat60Wwasnearlyclosetotheratioat100W;(4)Theinitialconcentrationofblackliquorinfluencedtheeffectofsonochemicaldegradation;(5)ThevariationofpHhadnoeffectondegradation;(6)Thelongerthedurationtime,thegreatertheremovalratioofCOD.Butthisratioincreasedslowlyafter4h;(7)Adding0.2g/LNaCltochangetheionicstrengthoftheblackliquor,theCODremovalratiocanincrease10%;(8)ThedegradationratesincreasedbythecoexistentcatalystsofTiO2,Co2+andAg+.

  • 标签: 降解反应 超声辐射 有机污染物 废水处理 黑色液体 化学需氧量
  • 简介:BsedontheformerShandongYutaiWinery,thewel_knownShandongWineryofConfuciusFamily'sBanquetliquorislocatedatthesideofpicturesqueL...

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  • 简介:Economicnewnormalandthechangeofindustryenvironment,marketenvironmentandcompetitionenvironmentboosttheliquorindustrytoconductthetransitionaldevelopment.Byanalyzingthestatusquoandthemotivationoftransformationoftheliquorindustry,theliquorbusinessecosystemisconstructedinthispaper.Andthepathoftransitionaldevelopmentofliquorindustryisproposedbasedonthetypedivisionofliquorbusinessecosystem.Thenwegivesomecountermeasuresandsuggestionstoimprovetransitionaldevelopmentofliquorindustryfromtheaspectofliquorbusinessecosystem,governmentregulationandthetransformationofliquormakingcompany.

  • 标签: transitional PATH LIQUOR INDUSTRY BUSINESS ecosyst
  • 简介:Liquor-makingindustryhassteppedintothedepthsstrategictransformationandfacedmorecomplexandversatilemacrosituationinrecentyears,whichmeansthateconomyintegrationwasaccelerated,thespreadofinformationtechnologyspedup,consumerdemandforproductsbecamecomplexandsophisticated,andproductlifecyclewasshortened.Thetheoryof'Internet+'highlightsnewturninthestrategictransformationofliquor-makingindustry.Thispaper,underthebackgroundof'Internet+',analyzestheexistingsituationsofliquor-makingindustry,providestransitionroutesofstrategictransformationinliquor-makingindustry,andgivespreventionagainsttransformationrisks.

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  • 简介:AdsorptioncapacityofACFFincyanideleachingliquorofgoldoreswasstudiedwithcyanideleachingliquorofgoldores,containingvariouskindsofions.Theadsorbedleachingliquorwasanalyzedbyatomicemissionspectroscopyandcolorimetricmethod.ThecontentsofvariouskindsofionsinACFFweredeterminedwithX-rayphotoctronspectroscopy.ACFFnotonlyadsorbedgoldbutalsoadsorbedarsenic,nickel,zinc,calcium,sulphur,bismuth,copper,iron.silverandcyanideanion.AtomicpercentageofCandthoseofO,N,Zr,Feincreaseanddecreaserespectivelywiththeincreaseofthelayerdepth,whilethoseofCa,Au,Agkeepconstant.

  • 标签: 吸附能力 黄金矿石 活性碳纤维织物 氰化物 沥滤液 浸提液
  • 简介:ThedeterminationofLuzhou-flavorliquoragesiscarriedoutbythree-dimensionalfluorescencespectroscopycombinedwithnon-negativematrixfactorization(NMF).37samplesofagedliquorswithweightedagesof15,20and25yearswerepreparedbyblendingthreeLuzhou-flavororiginalbaseliquorswithstorageagesof10,20and30yearsindifferentproportions.Thefluorescencespectraofthesamplesweremeasured,andthenfactorizedintobasismatrixandcoefficientsmatrixbymultiplicativeiterativeNMF.Thefluorescencespectra,reconstructedfromthebasismatrix,aresimilartotheoriginalspectra.Thecoefficientsmatrixistakenastheinputofsupportvectormachine(SVM)toestablishapredictionmodelforthedeterminationofliquorages.Comparedwiththeprincipalcomponentanalysis,thepredictionmodelbasedonSVMhasapredictedaccuracybetterthan91.7%.Thismethodcanprovidehelpsforthemarketsupervisionontheagedliquors.

  • 标签: NMF THREE-DIMENSIONAL FLUORESCENCE spectroscopy COMBINED LIQUOR
  • 简介:IntheprocessofsynthesisofnanometerSiCprecursorswithsol-gelofSiO2andlignin,theproductsofallsizesrequiredcanbecontrolledbytheconcentrationofreac-tants,pH,temperature,ractionandageingtime,andsoon.Thebestconditionsinthisreserchare:theconcentrationofNa2SiO3andorganicmattersare4.50%and26.4%respectively,pH=3.3,T=65℃,ageingtimeis30min,driedat150℃,thesizeofSiCprecursorsisabout2.0μm。

  • 标签: 木质素 耐火材料 合成 纳米材料 SIC SIO2
  • 简介:TheChemicalFiberPlantofUrumqiPetrochemicalCompanyhasimplementedtheprojectforrecoveringthePTAmotherliquor.Thisprojectaimstorecoverthefeedstockanddesalterwaterandtoreducewastewaterdischarge.ThePTAmotherliquorfromtheoxidationunitafterbeingcooleddownin

  • 标签: 母液回收 石化公司 乌鲁木齐 化纤厂 PTA 环境友好