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MeadWestvacoActivatedCarbon美德维实伟克活性炭ShelleyYangJuly201122SCDCarbonGroup021-61130528MWVisagloballeaderinpackagingandpackagingsolutions.•$7billioninrevenue•24,000employeesworldwide•Presencein30countries•50+yearsoperatinginBrazil•Growthinemergingmarkets•40%salesoutsideNorthAmericaMWVFacts33SCDCarbonGroup021-61130528FoodandBeverageWeservetheworld’slargestconsumerbrandsinthesemarketsandindustries:HealthcareCosmeticsandPersonalCareHomeandGardenMediaandEntertainmentWhoisMWV?TobaccoConsumerandOfficeProductsSpecialtyChemicalsCommunityDevelopmentandLandManagement44SCDCarbonGroup021-61130528MWVSpecialtyChemicalsDivision特殊化学品部55SCDCarbonGroup021-61130528SawMills锯木厂PulpMills纸浆厂Sawdust木屑CrudeTallOilBlackLiquorSpecialtyChemicalsManufacturingProcessesACTIVATEDCARBON活性炭Automotive汽车行业WaterChemicals/PharmaceuticalsPINECHEMICALS松木化学品RoadConstructionPrintingOilFieldDrillingLIGNIN木质素FabricsDyeingAgricultureProductsBasedonaSustainableResourceMWV化学品部产品链66SCDCarbonGroup021-61130528HistoryofInnovation&Progress•FirstU.S.ManufacturerofActivatedCarbon•95+YearsofOperation•DiversifiedProductsforaVarietyofMarkets•FocusonQuality•ContinuousResearchfortheFuture•GlobalSupplier•TechnicalServicetoCustomersMWVSCDActivatedCarbon77SCDCarbonGroup021-61130528ActivatedCarbonisaformofcarboncontainingalargenumberofirregularly-shapedpores活性炭表面有无数的不规则的孔隙Poresize(classifiedbyIUPAC)孔隙分类微孔micropore(porediameter2nm)中孔mesopore(2to50nm)大孔macropore(50nm)DEFINITION定义WhatisActivatedCarbon?什么是活性炭88SCDCarbonGroup021-61130528isthereversiblebindingofmoleculestoasurface分子进入活性炭表表面occursduetoweakattractiveinteractionsknownas“vanderWaals”forces物理吸附isexothermic放热反应Adsorption吸附CarbonAdsorption/Desorption99SCDCarbonGroup021-61130528isthereversibleremovalofmoleculesfromasurface分子逃离活性炭表面isendothermic吸热反应Desorption脱附CarbonAdsorption/Desorption1010SCDCarbonGroup021-61130528WhyUseActivatedCarbonforFuelEmissionControlMicropores(微孔2nm)–aresmallenoughtoeffectivelyadsorbgasolinevapors,butaretoosmalltodesorbeffectively(吸附容易脱附难).Mesopores(中孔2to50nm)–areeffectiveforbothadsorptionanddesorptionofgasolinevapors(吸附脱附都容易).Macropores(大孔50nm)–aretoolargetoeffectivelyadsorbgasolinevapors,andareimportantforvapordiffusionintoandoutofthecarbonparticle(吸附不强只做大门)1111SCDCarbonGroup021-61130528MWV-ActivatedCarbonFromWood木基活性炭1212SCDCarbonGroup021-61130528MWVWood-BasedActivationProcess活性炭的生产Multi-StagingWashingandRecoveryGranularProductsWV-A1100WoodParticlesCatalystMixingActivationDryingScreeningGrindingPowderProducts1313SCDCarbonGroup021-61130528MWV-U.S.ActivatedCarbonPlants美国工厂Covington,VAWickliffe,KY1414SCDCarbonGroup021-61130528ButaneWorkingCapacity(ASTMD5228)丁烷工作能力ApparentDensity(ASTMD2854)表观密度ParticleSizeDistribution(ASTMD2862)粒径分布CarbonTestMethods–QualityControl活性炭测试方法美国ASTM标准1515SCDCarbonGroup021-61130528ASTMBWCTube16.7mlCarbonSample•Saturatethe16.7mlCarbonSamplewith100%Butaneat25°C用100%正丁烷在25°C温度条件下使16.7ml的活性炭吸附饱和•Purgeusing300ml/mindryairfor40minutes(or719bedvolumes)at25°C在300ml/min的干燥空气流量下脱附40min(大致等同于719碳层比)•TheweightlossafterpurgingistheButaneWorkingCapacity(BWC)andisusuallyexpressedas“g/100ml”脱附后重量的损失就是丁烷工作能力，以“g/100ml”表示CarbonTestMethodsButaneWorkingCapacity(ASTMD5228)丁烷工作能力1616SCDCarbonGroup021-61130528VibratoryFeederGraduatedCylinderThedriedcarbonsampleisfedtothegraduatedcylinderbyvibrationatarateof0.75to1.00ml/second干燥后的活性炭样品一定的速率装满一定体积数Theweightofthecarbondividedbythevolumefilledistheapparentdensity(AD)andisusuallyexpressedas“g/ml”or“g/l”.单位体积内活性炭的重量定义为表观密度，以g/ml或g/dl表示Alowdensityactivatedcarbonrequireslessweighttofillanautomotivecanister活性炭密度越轻可以装填越多的碳罐CarbonTestMethodsApparentDensity(ASTMD2854)表观密度1717SCDCarbonGroup021-61130528SieveTray活性炭倒入标准筛的最上部筛子,放入震荡机上震动活性炭颗粒陆续通过一定孔径的筛网，分别获得每个筛上的活性炭重量ParticleSizeDistribution(PSD)活性炭平均粒径可以通过此试验获得，平均粒径影响碳层的通气性(压降)60mesh筛子以下(0.25mm)为活性炭的粉尘MWV活性炭具有更低的粉尘CarbonTestMethodsParticleSizeDistribution(ASTMD2862)粒径分布(8X35,8X25,6X18,2mm)1818SCDCarbonGroup021-61130528ActivatedCarbonProductTypesMWV活性炭的种类Powder粉碳Pellet柱碳BAX1100BAX1500BAX1700Granular颗粒碳WV-A1100WV-A1500WV-A1700Non-AutomotiveGrades非车用1919SCDCarbonGroup021-61130528CarbonSelection活性炭的选择KeyCharacteristics–重要特性InitialProductQualityButaneWorkingCapacity(ASTMD5228)-丁烷工作能力ApparentDensity(ASTMD2854)-表观密度ParticleSizeDistribution(ASTMD2862)-粒径分布Long-termDurability(耐久性能)BWCAging(butane)丁烷老化GWCAging(gasoline)汽油老化PressureDrop(通气阻抗)CarbonParticleSize粒径分布VibrationResistance耐震性2020SCDCarbonGroup021-6113052880901001101201301401500100200300400500CycleNumberGWC(grams)WV-A1100(11BWC)Competitive11BWCCarbonAgingCharacteristicsMWV活性炭耐久性能表现•2.1Lcanister•300BVpurge•TF1fuelWV-A1100112g107g-5%Competitive11BWC114g93g-18%InitialGWC初始AgedGWC老化后GWCDifference老化率2121SCDCarbonGroup021-61130528DurabilityStudyofIn-useAutomotiveCanistersComparisonWithCompetitiveCarbon老化比较20304050607080020406080100VehicleUse,kmx1000GWC,g/lMeadWestvacoWV-A1500MeadWestvacoWV-A1100Competitive11BWC2222SCDCarbonGroup021-61130528VibrationResistance耐震性Carboncanisterisdesignedtowithstandvibrationcausedbyroadcondition.碳