简介：Theneedforcleanerfuelshasresultedinacontinuingworldwidetrendtoreducedieselsulfurandaromatics.Therearemanyapproachestoreducingsulfurandaromaticsindiesel.Mostofthemhaveacommondrawbackofhighcostbecauseofadoptingtwostagesofhydrotreatingandusingnoble-metalcatalyst,especiallyforreducingaromatics.TheattempttoresolvethisissuehasledtotherecentdevelopmentoftheSingleStageHydrotreating(SSHT)processbyResearchInstituteofPetroleumProcessing(RIPP),SINOPEC.TheSSHTprocessisasingle-stagehydrotreatingtechnologyforproducinglowsulfurandlowaromaticsdiesel.Theprocessusesoneortwonon-noble-metalcatalystssystemandoperatesatmoderatepressure.Whenrevampinganexistingunittomeetlowaromaticsdieselspecification,theonlythingtodoistoaddareactororreplacetheexistingreactor,Inpilotplanttests,theSSHTtechnologyhassuccessfullytreatedSRGO(StraightRunGasOil),LCO(LightCycleOil)ortheblendofthem.ItisshownthatbyusingtheSSHTprocessdieselwithsulfurof30ppmandaromaticsof15m%canbeproducedfromMiddle-EastSRGOanddieselwitharomaticscontentof25m%canbeproducedfromcrackedfeed,suchasFCC-LCO.Highdieselyieldandcetanenumbergain(fromcrackedfeedstocks)givetheSSHTtechnologyaperformanceadvantagecomparedtoconventionalhydrocrackingandhydrotreatingprocesses.Thelowerinvestmentandoperatingcostisanotheradvantage.ThefirstcommercialapplicationoftheSSHTtechnologyhasbeeninoperationsinceSeptember2001.

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：

简介：Thedensityofasphaltwasmeasuredwiththepycnometeranddensitometer.Creeppropertiesoftheasphaltwereinvestigatedwiththebendingbeamrheometerattemperaturesrangingfrom0℃to-36℃.Theasphaltdensitydatausedtocorrelatewiththecreeppropertieswerecalculatedfromtheregressionequationofdensityandtemperature.TheasphaltsampleusedtodeterminethecreeppropertywasagedbythestandardRTFOTtestandthePAVtest.Thetestresultsshowedthattheasphaltdensityhadalinearrelationshipwithtemperaturechanges.Thelogarithmofthecreepstiffnessandtheslopeofthelogarithmofthestiffnessat60secondsalldemonstratedalinearrelationshipwiththedensity,andtheregressioncoefficientofthesedatawasaround0.99.Thecreepstiffnessandtheslopeofthecreepstiffnesscanbecalculatedfromtheasphaltdensityatthesametemperature.

简介：为确保石油化工安全生产，特别是关键装置要害生产部位生产的安全、平稳、高效运行，必须落实安全生产责任制，建立和完善科学有效的监控体系，才能最大限度地消除安全隐患。

简介：ChinaLihuayiGrouphasselectedtheLPOxo~(SM)SELECTOR~(SM)(low-pressurebutanol/octanol)technologyjointlylicensedbyDowChemicalCompanyandDavyPro-cessTechnologyLimitedtobeusedonitsnew250kt/aunit.ThisunitislocatedinDongyingcity,Shandongprov-incewithadesigncapacityratedat140kt/aoctanol,85kt/an-butanoland24.4kt/aiso-butanol,andtheconstruc-tionofthisunitisexpectedtobecompletedby2010.

简介：详细介绍济南分公司近几年来安全管理的一些做法，总结出“教育是基础，制度是保证，现场是关键，预防是根本”的工作思路，在安全工作中收到良好效果，对各石化企业有一定的借鉴作用。

简介：在新形势下做好案件审理工作，必须加强领导，健全制度，坚持原则，严格管理，坚定信念，不断提高审理人员综合素质，为党风廉政建设的深入开展提供坚强保障。

简介：

简介：TheRHTtechnologyandthesecondgenerationRHTcatalystswereappliedindesignofan1.7Mt/aVRDSunitattheSINOPECChanglingBranchCo.ThecommercialapplicationresultdemonstratedthattheRHTcatalystsshowedgoodactivityandstabilityinprocessinglow-sulfurandhigh-nitrogenresidue.ThefirstlongperiodrunofunitforprocessinghighFeandhighCacontentresiduewasachieved.ThereasonsforexcessivepressuredropofR-101wereascribedtoFeandCadepositionaswellascokeformation.

简介：Inthisstudy,themainfactorsinfluencingthemeasurementsbymeansoftheoff-linelow-field1HNMRinthelabwerediscussedbaseonarobustcalibrationmodelestablishedbythePLSalgorithmusing255crudeoilsamples.Thepreheatingtemperaturehadagreatinfluenceontheviscosityofoilsamplesandtheresolutionofspectralanalysis.Therepeatabilityofspectralmeasurementswasimpactedbythemetalandwaxcontentoftheoilsamples.Forthecaseofhighwaxcontentoils,thewaxspeciesbegantocrystallizeinthecourseofdeterminationthatcouldaffecttherepeatabilityofspectralmeasurements.ThesefactorshaveevidencedwhythepreheatingdevicesandfilterunitarenecessarywhenlowfieldNMRsystemisusedintheonlineanalysisprocess.Theinvestigationisveryimportantfortheon-lineapplicationofthelowfieldNMR.

简介：TheGCtypeaxiallow-pressuremethanolsynthesistowerdevelopedbyNanjingGuochangChemicalEngineeringCompanyhadpassedappraisalorganizedbyChinaPetroleumandChemicalSociety.Thistechnologyhasbeenfirstsuccessfullyappliedonthe50kt/alow-pressuremethanolunitoperatedbyShandongJiutaiChemicalTechnologyCompany,

简介：ThefirstinChinacommercialtestunitformanufactureofsyntheticnaturalgas(SNG)throughlow-temperaturemethanationofcokeovengasratedat5000m3/dhascompletedits1000-hourcontinuoustestsattheTongshidaCokeryinShanxiprovince.Itislearnedthatthewholeprocesstechnologyisthefirstinnovativeprojectrealized

简介：Nickel-basedcatalyst[N,N]NiBr2,inwhich[N,N]standsforN-(2,6-diisopropylphenyl)pyridine-2-carboxaldimine,showshighactivityforethylenepolymerizationinthepresenceoforganoaluminumcompoundsunderhighethylenepressuretoyieldpolyethylenecharacteristicoflowmolecularweightandhighlybranchedchains.Tolueneasthesolventismoreinfavorofcatalystactivity,highermolecularweightandbranchedchainsinpolyethylenestructureascomparedtohexanesolvent.

简介：企业档案管理工作在提升企业竞争力方面具有无可估量的作用,它既是企业实力的一种体现,也是企业管理水平的体现。本文结合企业档案管理工作实际,分析了档案管理与企业各方面工作的密切关系,通过列举企业档案管理的实例数据,提出了进一步提高档案价值和优化服务的方法和途径。

简介：本文阐述了新时期做好油田人事档案工作的重性，认真分析了当前油田人事档案管理存在的一些问题，提出了进一步加强油田人事档案管理工作的方法和对策。

简介：在最新发布的2002年国际能源展望报告中预测，全球的能源消耗量在1999年到2020年的21年间将增长60％，能源消耗中增长最快的将是天然气。

简介：OnNovember29,2013theShaanxiCoalChemicalsTechnologyEngineeringCenter,Ltd.(SCCTEC),theCNOOCHuizhouRefiningandChemicalCompanyandtheSINOPECLuoyangEngineeringCompany,Ltd.signedanagreementoncooperationindevelopmentofan

简介：监理工作是通过自身的专业技术、管理技术对业主的总目标、阶段目标进行控制,以保证建设项目的质量.分析目前阶段国内监理工作在工程项目建设中的局限与不足,找出存在的差距,探索在我国工程项目建设中如何更好地发挥监理作用的改进措施.

简介：TheJJDlow-pressureconstant-temperaturesuspendertubularmethanolsynthesissystemdevelopedbytheAnchunHighandNewTechnologyLimitedLiabilityCompanyhasitsapparentadvantageinenergyconservation.Itissaidthatthistechnologyistheinnovativeonebothat