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.
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简介:TheDalianFujiaGroupbyhinginguponthearomaticsprojectandmakinguseofitsownadvantagesintendstolaunchtheconstructionofthenaphthasteamcrackingandtheMTOprojectinordertodevelopthemanufactureofethylene,propyleneandtheirdownstreamhigh-gradeorganicsynthesismaterials,specialtychemicalfeedstocksandfunctionalhighmolecularmaterials.Theproposedsizeofproductionunits
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简介:TheChinaFanhaiHoldingGroupwillinvest22.8RMBinacoalchemicalprojecttobeconstructedinBaotoucity,In-nerMongolia,whichwillbeanothergiantcoalchemicalprojectafterthecoal-to-oilprojectconstructedbytheShenhuaCompany.ThisprojectwillbelocatedintheShangejiaChemicalParktooccupyatotalareaof680hect-
简介:TheproposalonestablishmentoftheShaanxiProvincialCoalChemicalEngineeringCenterproppedupbythePro-vincialCoalChemicalTechnologyEngineeringCenterCompany,Ltd.hasbeenapprovedbyShaanxiProvincialDevelopmentandReformCommission.Itistoldthates-tablishmentofthesaidCoalChemicalEngineeringCenterwilltargetonthehigh-endcoalchemicaltechnologytode-velopkeycoalchemicaltechniqueswithindependentintel-lectualpropertyrightsandacceleratethecommercializa-
简介:XinjiangUnitedChemicalCompany,Ltd.willconstructinKudchacounty,Xinjiangthreechemicalunitsincludinga100kt/amethanolunit,a120kt/aformaldehydeunitanda40kt/apolyformaldehydeunit.Themethanolunitbasedonnaturalgasasthefeedstockwilladoptdomestictechnology,andtheformaldehydeunitwillapplytechnologylicensedbyPerstorpCompanyofSweden,whilethepolyformaldehydeunitwillapplytechnologylicensedbyZakladyAzotoweTarnowofPoland.Constructionoftheseprojects,