简介：Inordertofurtherreducethesulfurcontentingasoline,anewdesulfurizationprocesswasproposedbyusingcatalyticoxidationandextractionrealizedinanelectrochemicalfluidizedreactor.Thefluidizedlayerofloadedcatalystparticlesconsistedofleaddioxide(PbO2)supportedonactivatedcarbonparticles(PbO2/C)andtheelectrolytewasaqueousNaOHsolution.ThePbO2/Cparticleanodescouldremarkablyacceleratetheelectrochemicalreactionrateandpromotetheelectrochemicalcatalysisofsulfurcompounds.Thesulfurcompoundswereatfirstoxidizedtosulfonesorsulfoxides,whichwerethenremovedafterextraction.Theexperimentalresultsindicatedthattheoptimaldesulfurizationconditionswereasfollows:Thecellvoltagewas3.2V,theconcentrationofhydroxylionsinelectrolytewas0.12mol/L,andthefeedratewas300mL/min.Undertheseconditionstheconcentrationofsulfuringasolinewasreducedfrom310ppmto70ppm.Basedontheseexperimentalresults,amechanismofindirectelectrochemicallycatalyticoxidationwasproposed.

简介：Inordertomeettheurgentneedforreducingolefincontentincrackednaphtha,theinfluenceoffeedstockcharacteristicsontheolefincontentwasdiscussed.ThedifferenttypesandperformanceofcatalystsdevelopedbyRIPPwereintroduced.Moreover,someeffectiveoperationapproachesincommercialunitswerepresentedtoserveasareferencetotherefinersforcatalystselection.

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简介：在FCC汽油的硫混合物的形成上的石蜡的效果在在从400～500的温度联合起来的一张小规模的固定的使流体化的床(FFB)上被学习，重量时时10h-1的空间速度(WHSV)，和6的催化剂/油比率。结果证明在FCC汽油包含的C4-C6石蜡能与H2S反应主要形成thiophenes，alkyl-thiophenes以及thiols的部分数量，当象heptene那样的大分子的石蜡能与形成benzothiophenes的氢硫化物反应时。在不同催化剂上在不同温度形成的硫混合物的数量与在化工物品的石蜡的集体部分成比例，与在REUSY催化剂超过上形成的硫混合物的数量，那些在石蜡变换的度上由于催化剂性能的效果和催化剂的影响在形状上形成了选择沸石催化剂。因为为硫的形成的热力学、运动的常数上的温度的影响，在450点的最大值和在400点的最小象在石蜡变换degree.Based上一样加重在上的产生的硫混合物和他们到达的增加的数量上述学习，为与H2S在FCC汽油在石蜡的反应之上产生的硫混合物的预言的一个反应网络和一个模型被建立。

简介：Therestrictiononsulfurlevelingasolinehasbeenincreasinglytightened.TheU.S.TierⅡregulationrequiresareductionfromaverage340ppmto30ppmfrom2004to2008.Recentlysignificantprogresshasbeenmadeineffectivehighsulfurremoval,suchasposttreatmentofFCCgasolinebyselectivehydrotreating,SZorbsulfurremovaltechnology,OATSprocessetc.ThesulfurcontentofFCCgasolinecanbedeceasedtolessthan10ppm.WithregardtogasolinepoolcompositioninChina,itisveryimportanttolookforeffectivedesulfurizationprocessesthataresimple,straightforward,withlesshydrogenconsumption.Post-treatmentofFCCgasolineisapreferredoption.Fromthepointofviewofcomprehensiveutilization,alkylation,polymerization,isomerisationetc.canbeaddedtodesulfurizationprocesstomeettherequirementofultralowsulfur,premium.

简介：Recentlytheproject'Developmentofpackagetechnologyforregenerationofstyrenethroughextractivedistillationofpyrolysisgasoline(STED)'undertakenjointlybytheSINOPECResearchInstituteofPetroleumProcessing(RIPP)andotherinstitutionshaspassedtheappraisalheldinBeijing.Theexpertgroupattendingtheappraisal

简介：汽油的清洁与它的部件有关，properties.All广告汽油在引擎的注射者，吸入阀门和燃烧房间上建立存款，罐头它显著地降低引擎表演和影响用尽煤气的emissions.In这研究，吸入阀门存款(IVD)和燃烧房间存款(电荷耦合器件)从包含aromatics的21v-42v的燃料的燃烧生产了，石蜡的8v-31v被学习了使用de的福特引擎测试，和特征

简介：Thisarticleanalyzedtheproblemsarisingfromretrofittingthe800kt/avirgindieselhydrofiningunitintoa1.0Mt/aOCT-MgasolineHDSunitattherefineryofLuoyangPetrochemicalCompany,andtheoptimizedmeasuresaimedatimprovementsinoperationofHDSunit.ThepreliminarycalibrationresultshaveindicatedthehighdesulfurizationrateandgoodselectivityoftheHDStechnologytofulfillthedemandofLuoyangPetrochemicalCompanyforproductqualityupgradingwiththetargetsoftechnicalrevampfullyimplemented.

简介：In4-strokeinternalcombustionengines,air-fuelratiocontrolisachallengingtaskduetotherapidchangesofenginethrottle,especiallyduringtransientoperation.Toimprovethetransientperformance,managingthecycle-to-cycletransientbehaviorofthemassoftheair,thefuelandtheburntgasisakeyissueduetotheimbalanceofcycliccombustionprocess.Thispaperaddressthemodel-basedestimationandcontrolproblemforcyclicair-fuelratioofspark-ignitionengines.Adiscrete-timemodelofair-fuelratioisproposed,whichrepresentsthecycle-to-cycletransientbehaviorofin-cylinderstatevariablesundertheassumptionsofcyclicmeasurabilityofthetotalin-cylinderchargemass,combustionefficiencyandtheresidualgasfraction.Withthemodel,aKalmanfilter-basedair-fuelratioestimationalgorithmisproposedthatenableustoperformafeedbackcontrolofair-fuelratiowithoutusinglambdasensor.Finally,experimentalvalidationresultisdemonstratedtoshowtheeffectivenessofproposedestimationandcontrolschemethatisconductedonafull-scaledgasolineenginetestbench.

简介：减少硫的功能的部件--吊楔酸硷的对化合物--并且联系活跃沸石部件被开发为在汽油减少硫内容准备RFCC催化剂DOS。催化剂评估的结果表明了酸硷的对化合物在此开发了的吊楔能提高分子的硫由催化剂加重支持desulfurization反应继续的宏的变换，并且酸硷的对化合物能毫无疑问减少的选择沸石和吊楔的合作行动在汽油的石蜡和硫内容。因此开发的催化剂DOS的重油变换能力更高结合了一个提高的电阻到重金属污染在超过20%在汽油减少硫内容。在西诺佩克·久贾恩格·布朗奇公司的这催化剂的商业应用程序表明了与GRV-C催化剂相比，催化剂DOS获得的油泥浆收益在汽油与一种改进coke选择，增加的全部的液体收益，和一个减少的石蜡内容一起被减少。在汽油/硫在的硫的比率喂油能被20.3m%减少。

简介：Thehighshearagitationdevicewasfirstadoptedforgasolinedesulfurizationbyionicliquids.Theeffectofbenzylimidazolfluoborateindesulfurizationofgasolineandtheinfluenceofmoistureondeuslfurizationratewereinvestigated.Theexperimentalresultsshowedthattheionicliquidcouldeffectivelydecreasethesulfurcontentofgasolineandtheoptimalconditionswereasfollows:Thereactioncouldbecarriedoutatroomtemperature,avolumetricratiobetweenoilandtheliquidof2∶1,avolumetricratiobetweenwaterandionicliquidof0.04∶1,arotationalspeedof5krad/s,andareactiontimeof1minute.Thedesulfurizationrateofgasolinereached53.6%,andthegasolineyieldwasupto97.3%.Theionicliquidcouldberecycledforrepeateduse,andtheuseofhighshearagitationforgasolinewouldhavegoodprospects.

简介：<正>NaYzeolitewasmodifiedthroughdealuminationwithoxalicacid,andtheHYzeolitewasobtainedbycalcinationofthemodifiedNaYzeolite.Thezeolitemoldingprocesswascarriedoutatambienttemperature(25℃),andtheinfluenceofsolid/fuelmassratioandadsorptivedesulfurizationtimeontheHYzeolitewereinvestigatedthroughtestsonstaticselectiveadsorptivedesulfurizationofFCCgasolinecontainingorganicsulfurcompounds(withaScontent=135ppm).ThesulfurcontentandsulphidetypesintheFCCgasolinewereanalyzedbyaGC2010sulfuranalyzerandaGC-SCDchromatograph.ThetestresultsshowedthatthemoldedHYzeolitewasbetterthantheunmoldedHYzeolite.AtastaticadsorptivedesulfurizationtimeonthemoldedHYzeoliteequatingto6hours,asolid/fuelmassratioof1:3,thesulfurcontentofFCCgasolinewasdecreasedto30ppm,andthedesulfurizationratewasequalto78%.WhenthebreakthroughpointofthemoldedHYwasequalto50ppm,themoldedHYzeolitewascapableofadsorbing4.86mgofsulfurpergramofadsorbent.AndtheregenerationrateofmoldedHYzeolitewasequalto98%.

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简介：基于目标，产品由gasoline-typeand生产了的这篇文章芳香类型连续催化改过(CCR)单位在这些催化改过单位的技术指示物上做一个评价。这篇文章也为最大化汽油类型和芳香类型的CCR单位关于催化剂，化工物品的优化和优化操作政体的选择交付的目标产品探索技术措施。

简介：AseriesofCoMo/Al2O3catalystsforselectivehydrodesulfurization(HDS)ofgasolinewerestudiedwithRamanspectroscopy,apowerfulmethodthatcreatesspecifcsignalsforthestatesandthedistributionsofoxidicprecursorsandsulfdedactivephases.ThehighertheMoandCo,thelowerthetetrahedrallycoordinatedmolybdate,andthehigherthepolymolybdate.ButtheamountofpolymolybdatedecreasedwhenCoMoO4appeared.Cobalt-promotedpolymolybdatewastheprecursor,anditsrelativecontentcorrelatedwellwiththeHDSselectivity.Forsulfdedcatalysts,addingthecobalt-promoterledtolocaldistortion-disorderoftheMoS2structureandtheformationofaCoMoSphase.Thismethodcanprovideimportantinformationfordesigningnewindustrialselective-HDScatalysts.

简介：Thispaperhasinvestigatedtheinfluenceofgasolinesulfurcontentondurabilityofcatalyticconverterforvehicleexhaustgas.Twogasolinesampleswithdifferentsulfurcontents(equatingto150μg/gand50μg/gofsulfur,respectively)wereusedtoexaminethedurabilityandperformanceofcatalyticconverteronthebenchtest.Thetestresultshaverevealedthatincomparisontotheinfluenceofsulfuronageingofcatalyticconverterthethermalageinghadamoreremarkableimpactontheperformanceofcatalyticconverter,andtheperformanceofcatalyticconvertercouldberestoredbyhigh-temperaturedesulfurizationprocessafterageingbythehigh-sulfurgasolinesample(containing150μg/gofsulfur).

简介：这篇文章介绍与汽油装备的FCC技术的商业应用程序在在PetroChina哈尔滨石油化学的布朗奇同伴的RFCC单位的辅助反应堆。测试结果为在辅助反应堆升级在FCC石油减少石蜡内容的汽油的商业申请显示出优秀结果。这种技术的申请能在FCC石油把石蜡内容归结为不到35v%。向更严重的条件的FCC操作的调整能进一步在FCC石油把石蜡内容归结为不到20v%，以便FCC石油能满足当前的标准或在完成引人注目的经济、社会的好处的未来满足更紧的说明要求。

简介：SelectivelyconvertingCOandH2togasolineproduct(isoparaffinandolefin)inonestepstillremainsagreatchallenge.WedemonstrateeffectiveH-USYzeolitesupportednano-cobaltbifunctionalcatalystsforthiscatalyticreaction,whicharepreparedbythenovelphysicalsputteringprocess.Particlesofthesputteredcobaltexistinnano-levelandarewell-dispersedonacidUSYzeolite.Easyactivationoftheloadednano-cobaltisalsoachievedinalow-temperaturehydrogenreductionatmosphere.Inthetandemcatalyticreaction,thesputteredbifunctionalCo/USYcatalystexhibitsamuchhigherCOconversionandhigherisoparaffinselectivitythantheconventionalimpregnatedone.ComparedwithH-Mor,H-Betaandotherzeolitessupportedcatalysts,H-USYzeolitesupportedcobaltcatalystshowstheclearestpromotionaleffectontheactivityofFischerTropschsynthesis.Thedescribedsynthesishereinprovidesanewpathwaytosolvetheproblemcausedbythestrongmetal-supportinteraction(MSI)inheterogeneouscatalysis.

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