简介:TheS-RHTtechnologyisdevelopedbyFRIPPforresiduehydrotreatinginthefixedbedinordertoprocessthehighsulfurcrudeandincreasetheyieldoflightdistillates.Thetechnologycanbeusedfortreatingvariouskindsofatmosphericresidues(AR)orvacuumresidues(VR)withatotalmetalcontentlessthan150ppmundertheoperatingconditionsofatemperaturerangingfrom360-410℃,ahydrogenpartialpressureof14-15MPa,aLHSVof0.20-0.30h-1andahydrogentooilratioof700-1000.AcertainamountoflightproductscanbeobtainedandthehydrotreatedatmosphericresiduecanfullymeettheneedsforthefeedstocktoRFCCorablendingfeedstocktoFCC.BasedontheS-RHTtechnology,a2Mt/aresiduehydrotreatingunithasbeenconstructedandsuccessfullystartedupatMaomingPetrochemicalCompanybytheendof1999.
简介:OnOctober18—19,2018,threeR&DachievementsforrealizingtheChinesecontentofcoalchemicalindustry,includingtheDCSsystemforSinopec’slargecoaldeepprocessingproject,themethanolsyngascompressortrain,andthelargewater-cooledandgas-cooledmethanolsynthesisreactors,hadpassedtheappraisalinOrdoscityofInnerMongolia.ItislearnedthatthesethreeprojectsarebeingappliedforthefirsttimeinChina’scoalchemicalindustrytosymbolizenewbreakthroughsintheChinesecontentofmajorequipmentownedbytheSinopecCorp.,whichboastsarangeofindependentintellectualpropertyrightstopushforwardthetechnicaladvancementofnationalindustry.
简介:Theproject“R&DofFCCtechnologycapableofproducinggasolinecomponentmeetingtheEuroⅢstandardcoupledwithincreasedpropyleneyield”jointlyperformedbyRIPP,JiujiangRefinery,ZhenhaiRefinery,LuoyangRefinery,andQiluCatalystFactoryhadpassedonJuly23,2005thetechni-calappraisalorganizedbySINOPECTechnologyDevelop-mentDivision.
简介:ThepolycrystallinephaseWO3/g-C3N4wassynthesizedunderstirringusingtungstenicacid(H2WO4)andgraphiticcarbonnitride(g-C3N4)asrawmaterials.ThecatalystwascharacterizedbyX-raydiffraction(XRD),scanningelectronmicroscopy(SEM),energydispersivespectroscopy(EDS),theFouriertransforminfraredspectroscopy(FT-IR),andtheBrunauer-Emmett-Telleranalysis(BET).ThepolycrystallinephaseWO3/g-C3N4wasdeterminedbyXRDtechnique.TheoxidativedesulfurizationprocesswasinvestigatedusingWO3/g-C3N4asthecatalyst,30%hydrogenperoxide(H202)astheoxidant,and1-butyl-3-methylimidazoliumtetrafluoroborate([bmim]BF4)ionicliquids(ILs)astheextractant.Theoperatingconditions,includingH2WO4amount,ILdose,H2O2volume,temperature,catalystdosage,andtypesofsulfurcompounds,weresystematicallyresearched.Thedesulfurizationratecouldreach98.46%forremovingdibenzothiophene(DBT)fromthemodeloilunderoptimalreactionconditions.Inaddition,thecatalyticactivitywasslightlydecreasedafterfiverecyclesofcatalysts.Thereactionkineticsanalysisshowsthattheoxidativedesulfurizationsystemwasinaccordwiththefirst-orderreactionkineticsequation.Themechanismofoxidativedesulfurizationwasproposed.