简介：Ahigh-density,high-fluxcirculatingfluidizedbed(CFB)riser(100mminIDand10.614minheight)wasappliedinawiderangeofoperatingconditions(withsolidfluxesupto400kg/m2sandsuperficialgasvelocitiesupto12m/s)toexamineitsradialnon-uniformitydynamics.Thesolidsholdupwasdeterminedthroughtheuseofafiber-opticprobeat11axiallevels.Theresultsindicatedthatunderalloperatingconditions,thehighsuperficialgasvelocityandlowsolidfluxesmaintainedalowradialnon-uniformityindex(RNI).Thehigh-density/fluxCFBriserhadseveraluniquecharacteristics,sothatthepeakoftheradialsolidsholdupprofileoccurredatapositionwithr/R=0.8.TheRNIandsolidsholdupatthecross-sectionalpositionhadagoodlogarithmicrelationshipatthelow-densitycondition(withameansolidsholdupof<0.2),andtheRNIdecreasedwhenthemeansolidsholdupexceeded0.2.InvestigationofthedynamicsofstratifiedinjectionrevealedthatthefeedratiohadanimportanteffectonGsandonsolidsholdupdistribution.Anovel"<"shapedaxialsolidsholdupprofilewasfound.Gsdecreasedsharplywhentheup-flowfeedratioexceeded0.5,andRNIwaslowestwhentheup-flowfeedratiowas1.

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简介：SudanKhartoumRefineryCo.hasselectedauniqueroutefeaturingdelayedcokingofcrudeinconnectionwiththehighlysourandhigh-calciumheavycrudeextractedfromSudaneseoilblockNo.6.Thecrudeoilafterpretreatmentforcalciumremovalissubjectedtocokingforremovalofacidsandmetalswiththecokerproductsbeingfurtherprocessed.ThecrudeoilextractedfromSudaneseoilblockNo.6containsashighas13mgKOH/gofcrudeinadditiontoacalciumcontentof1600ppm.Thisarticlemakesananalysisonproblemsrelatedwiththeoperationofcommercialdelayedcokingunitforprocessingofhighlysourcrudeandbringforthmeasurestosolvetheseproblems.Theliquidyieldresultedfromcokingofcrudeoilcanreach82m%,andthepetroleumcokecanmeetthequalityrequirementforclass3Bpetroleumcoke.

简介：Paraxylene(PX)是为纯对苯二酸酸(PTA)的制造的化工物品。与在中国的TPA的增加的消费，对PX的要求显著地增加并且超过了供应能力。Yangzi石油化学的公司，关于PX是乐观的出售，在低费用PX生产技术的追求一直在追踪全球先进芳香的生产技术并且采用了能增加PX产量的高效率的新奇吸附物。

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

简介：有60稳固的内容的硅酮油乳剂被准备，甲基硅酮油借助于对硅酮油乳剂的微滴直径的乳化条件的emulsifier-in-oilmethod.The影响用作主要材料，包括emulsifier的数量是试验性的结果显示出的discussed.The乳化方法，乳化，使乳化的水剂量，和激动人心的速度的时间和温度，微滴size.Theoptim上的有的重要影响

简介：根据催化裂开的产品分发的分析和解释基于高酸粗略，为石油酸的去碳酸基的机制在FCC过程期间被讨论。质子从地点能与更否定的费用与羰基组的氧相结合形成能在弱契约受到劈开的反应中介的Bronsted酸发源，导致从它形成烷基的分解跟随的羧基的酸的羧基的组碎三坐标的carbenium离子，公司和H2O。象一个electrophilic试剂罐头酸的吊楔从羧基的酸的羧基的组到随后释放CO2。

简介：Anewcontinuousprocessforpreparingmethanol-dieselemulsifiedfuelwithanImpingingStream-RotatingPackedBedisproposed.Thedropletsizeofdispersedphase(methanol)oftheemulsifiedfuelhasasignificanteffectonthecombustionofmethanol-dieselemulsifiedfuel.Inthispaper,themethanol-dieselemulsifiedfuelusesdieselasthecontinuousphaseandmethanolasthedispersedphase.TheSautermeandiameterofthedispersedphaseofmethanol-dieselemulsifiedfuelwascharacterizedwithmicrophotographyandarithmeticmethod.TheexperimentalresultshowedthattheSautermeandiameterofthedispersedphase,whichwasdecreasedwiththeaugmentationofthehighgravityfactor,liquidflowrateandemulsifierdosage,wasinverselyproportionaltothemethanolcontent.TheSautermeandiameterofthedispersedphasecanbecontrolledandadjustedintherangeof12—40μmthroughthechangeofoperatingconditions.ThecorrelativeexpressionsoftheSautermeandiameterofemulsifiedfuelwereobtainedandthecalculatedvaluesagreedwellwiththeexperimentalvalues.

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

简介：为乙烯聚合的高效率的催化剂由RIPP开发了的NT-1类型成功地在生产了1500以后在Yangzi石油化学的同伴为乙烯的泥浆聚合在70kt/a单位经历了在工业上的应用测试大量7000F和5000SPE树脂等级。

简介：Thisarticlereferstotheresultsofsmall-scaleandcommercialtestsonhigh-temperaturecrackingofC4fractioninFCCunittoincreasethepropyleneyield.ThebenchtestsrevealedthattheconversionrateofC4fractionduringhigh-temperaturecrackingreached37.38%andpropyleneyieldwasequalto15.60%withtheconversionrateofC4olefinsequatingaround50%.Theresultsofcommercialapplicationshowedthatadoptionofthetechnologyforhigh-temperaturecrackingofC4fractioninFCCunithadledtoanincreaseofpropyleneyieldby2.16%withnoremarkablechangesintheyieldsandpropertiesofotherproducts.

简介：The^Siand^1Hhigh-resolutionliquid-phaseNMRhasbeenusedtoinvestigatethehydrolysisprocessofthetetraethylorthosilicate(TEOS).^1H-NMRspectroscopyshowsthatthehydrolysisofTEOSinTPAisfasterthaninTEA.TheimpactsofTPAandTEAontheTOEShydrolysisprocessanditshydrolyzedproductdistributionhavebeenobservedby^29Si-NMRrespectively.Theinfluencesofwaterandtheisopropylalcoholonhydrolysishavealsobeendiseussed.ThepresenceofTBOTmarksanevidentdifferentiationbetweenTPAandTEAforhydrolysisin^29Si-NMRspectra.

简介：Nitrobenzene-containingindustrialwastewaterwasdegradedinthepresenceofozonecoupledwithH2O2byhighgravitytechnology.Theeffectofhighgravityfactor,H2O2concentration,pHvalue,liquidflow-rate,andreactiontimeontheefficiencyforremovalofnitrobenzenewasinvestigated.TheexperimentalresultsshowthatthehighgravitytechnologyenhancestheozoneutilizationefficiencywithO3/H2O2showingsynergisticeffect.ThedegradationefficiencyintermsoftheCODremovalrateandnitrobenzeneremovalratereached45.8%and50.4%,respectively,underthefollowingreactionconditions,viz.:ahighgravityfactorof66.54,apHvalueof9,aH2O2/O3molarratioof1:1,aliquidflowrateof140L/h,anozoneconcentrationof40mg/L,aH2O2multipledosingmodeof6mL/h,andareactiontimeof4h.Comparedwiththeperformanceofconventionalstirredaerationmixers,thehighgravitytechnologycouldincreasetheCODandnitrobenzeneremovalraterelatedwiththenitrobenzene-containingwastewaterby22.9%and23.3%,respectively.

简介：DuringJuneandJuly2003,JingmenPetrochemicalCompanycardedoutthecommercialtestontechnologyforhigh-temperaturecrackingofC5fractiontodecreaseolefincontentofgasolineinDCCU.ThetestresultsshowedthattheolefincontentofDCCgasolinehaddecreasedfrom68.32m%to42.5m%,meanwhilethepropyleneyieldincreasedby0.90m%.

简介：SINOPECResearchInstituteofPetroleumProcessing(RIPP)hasdevelopedthedieselengineoilAPICJ-4,afterhavingpassedthe9enginetestsrequiredbytherelevantAPIspecificationstofillChina’sgapintheindependentdevelopmentofformulationsfordieselengineoilCJ-4,whichisasuccessfulattemptinbreakingtheforeigncompanies’technicalmonopolyonhigh-gradedieselengineoils.

简介：Anovelhighgravitymulti-concentriccylinderelectrodes-rotatingbed(MCCE-RB)wasdevelopedfortheelectrocatalyticdegradationofphenolwastewaterinordertoenhancethemasstransferwiththeself-madeRuO2-IrO2-SnO2/Tianodes.Theinfluencesofelectriccurrentdensity,inletliquidcirculationflowrate,highgravityfactor,sodiumchlorideconcentration,andinitialpHvalueonphenoldegradationefficiencywereinvestigated,withtheoptimaloperatingconditionsdetermined.Theresultsshowedthatundertheoptimaloperatingconditionscoveringacurrentdensityof35mA/cm^2,aninletliquidcirculationflowrateof48L/h,ahighgravityfactorof20,asodiumchlorideconcentrationof8.5g/L,aninitialpHvalueof6.5,areactiontimeof100min,andaninitialphenolconcentrationof500mg/L,theefficiencyforremovalofphenolreached99.7%,whichwasimprovedby10.4%ascomparedtothatachievedinthenormalgravityfield.Thetendencyregardingthechangeinefficiencyforremovalofphenol,totalorganiccarbon(TOC),andchemicaloxygendemand(COD)overtimewasstudied.Theintermediatesanddegradationpathwayofphenolwerededucedbyhighperformanceliquidchromatography(HPLC).

简介：The200kt/astyreneunitatthePlasticPlantofQiluPetro-chemicalCompany,whichisoneof'TenKeyProjectstobetackledinsideSINOPECCorp.',hasstartedtoadoptthenovelindigenousenvironmentallyfriendlyhigh-efficiency

简介：OnSeptember19,2018,the100kt/acommercialdemonstrationhigh-temperatureFischer-Tropschsynthesisunit,constructedbytheShaanxiFutureEnergyChemicalCompany,Ltd.(FECC),cameonstreamsuccessfullyatthefirstattemptandhadbeenoperatingcontinuouslyandsmoothlyfor168hoursatfullload.ItistoldthatthisisthefirstcommercialdemonstrationhightemperatureFischer-TropschsynthesisunitbuiltinChinawithcompletelyindependentintellectualpropertyrights.Thecommissioningofthisdemonstrationunitevidencesthatthehigh-temperatureFischer-Tropschsynthesistechnologyhasfullymettheindustrializationconditions.

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.