简介：Aninnovativeideawasproposedtopreparetheoverbasednano-sizedcalciumcarbonate-calciumpetroleumsulfonatein-situtheHIGEEreactor.ThetestsamplepreparedbythistechnologycouldmeettherequirementoftheindustrystandardSH0042-91forthefirst-gradeproductonaparwithsimilaroverseasproduct.Thetestresultsobtaineduponobservationundermicroscopeafterfreezingetchingofspecimenrevealedthatthecrystalsizeofcolloidalcalciumsulfonatewasintherangeof10-30nmwithanaveragesizeof20nm.Thesizeofthedetergentadditivewasuniformwithgoodtransmittanceandfluidity.TheHIGEEtechnologypossessesfivespecificfeaturesasshownbelow:Firstly,thecarbonationreactioniscompletedinonestepwiththereactiontimereducedbymorethan50%ascomparedtotraditionalbatchreactorprocessalongwithenhancedreactionefficiency,goodoperabilityoftheprocessandstabilizedproductquality.Secondly,ammoniaemittedfromthereactionisusedastheco-promoterwithouttheneedforaddingammoniaandwateraspromoterstosimplifythepromotersystemalongwitheffectiveandstrongcouplingofreactions.Thirdly,theutilizationrateofCa(OH)2andCO2isincreasedby15%and30%,respectively,withproductyieldincreasedby15%,andcalciumresiduedecreasedby65%.Fourthly,theHIGEEtechnologyisenvironmentalbenignbecauseofgasolineisusedinthistechnologyinsteadoftoxictolueneandxylene.Fifthly,thedimensionofHIGEEreactorisreducedbyabovetwo-thirds.ThesuccessindevelopmentofthisnewtechnologywilloffernewideasandtechnologyplatformforthesynthesisofmetaldetergentadditivetolubricatingoilsinChina.

简介：与哈尔滨Devi自动化设备发展公司合作的Daqing石油化学的同伴的号码2化学植物，有限公司在butanol/octanol单位的含氧合成的反应堆采用了没有模型的控制系统完全在一次尝试在反应堆解决对CO集中的稳定的控制的问题在与反应化工物品的关系在含氧合成的反应堆优化反应条件，导致反应尾巴气体的分泌物和丙烯的减少的单位消费的重要减小。

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

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

简介：为2-propanol/water/ethanediol/KAc系统的咸包含的引得出的蒸馏列和咸包含的代理人恢复列被NRTL模型和修改罗斯松驰方法模仿。模拟结果证明在蒸汽液体平衡和NRTL参数的关联方法(TDCM)的盐效果的预言对说的系统合适。四个不同蒸馏技术过程被调查；结果证明咸包含的引得出的蒸馏过程是最好的。引得出的蒸馏列的模仿的设计在不同全部的阶段数字的条件下面被执行，喂地点，倒流比率，混合代理人的数量和KAc的集中。结果证明象17个阶段，在第9舞台的一个喂的地点，1.2的倒流比率，和喂的一个混合代理人的如此的因素1.141kmol/h评价，最好可能被适合操作条件。模仿的设计也为恢复咸包含的代理人为列被做。咸包含的引得出的蒸馏的模拟方法在这个工作简单、有效。

简介：ThegreenandeffectiveBaeyer-Villigeroxidationreactionofcyclohexanoneforpreparingε-caprolactoneisofparticularimportanceinthesynthesisofnewpolymermaterials.WehavediscussedhereseveralmechanismtypesofBaeyer-VilligeroxidationofcyclohexanonewithH2O2indifferentreactionsystems.Fivemaintypeshavebeenaddressed,i.e.:(1)thenon-catalyzedreactiontype,wheretheC=OofketonesisactivatedbyH+,whichiselectrolyticallydissociatedfromH2O2andH2O,toimprovethecapabilityofC=Ogroupforacceptingtheelectronpairs;(2)thethermallyactivatedradicalreactiontype,wheretheCriegeeintermediateisproducedviatwostepsofradicalreactionwith·OHattack,withmuchmorehydroxylradicalsbeingexcitedinthepresenceofTS-1zeolite;(3)theBrnstedacidcatalysisreactiontype,wherebothO-OmoietyandC=OgroupcouldbeactivatedbyBrnstedacid;(4)thesolidLewisacidcatalyzedC=Oofthesubstrateactivationreactiontypethroughenhancingthedonor-acceptorinteractionbetweentheantibondingπ*C=OorbitalofcyclohexanoneandHOMOofSn-containingzeolites;and(5)thesolidLewisacidcatalyzedH2O2toformMe-OOHoxidativespeciesbyconvertingthehighestoccupiedmolecularorbital(HOMO)ofTi-OOHintoasinglyoccupiedmolecularorbital(SOMO),makingtheO-OgrouphighlyelectrophilictoattacktheC=OofcyclohexanoneduringtheBaeyer-Villigeroxidationprocess.Intheend,wehavealsocomparedthedifferentmechanismsandputforwardouropinionsonthedevelopmentdirectionofcatalyticmaterialsaimingateco-friendlyBaeyer-Villigeroxidationofcyclohexanoneintheyearstocome.

简介：ThekeyscienceandtechnologydevelopmentprojectofSINOPEC—thepilotscalestudyofsyngas-to-ethyleneglycolpackagetechnologyhaspassedtheexpertappraisalsponsoredbytheSINOPECScienceandTechnologyDivision.Thisprojectfacility,whichisjointlydevelopedbytheSINOPECShanghaiPetrochemicalResearchInstitute

简介：Thesupportγ-Al2O3wastreatedwith1-methylnaphthaleneasthemodelreactantbyrespectivelyusingthechemicalstaticadsorptionmethodandtheacceleratedcokingmethodtostudythecokingsitesofγ-Al2O3surface.Thecarbonspeciesformedonγ-Al2O3surfacewereanalyzedbyCAT-CS,TG-MS,IR-OH,andPy-IRtechniques.TheresultsofcharacterizationbyCAT-CSandTG-MStechniquesindicatedthatthecarbonspeciesformedduringthechemicalstaticadsorptionprocessismainlycomposedofthereversiblyadsorbedcokeprecursorswithalowly-condensedstate,whilethatformedaftertheacceleratedcokingprocessisprobablyrelatedwiththeirreversiblyadsorbedcokedepositswithahighly-condensedstate.TheresultsofcharacterizationbyIR-OHandPy-IRtechniquesfurtherimpliedthattheformationofthetwokindsofcarbonspecies,i.e.,cokeprecursorsandcokedeposits,arecloselyrelatedwiththebasichydroxylgroupsandthestrongLewisacidsitesonγ-Al2O3surface.Theresultsleadtoadeepinsightintothecokingmechanismonthealuminasurface.

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：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：一个新奇蒸汽液体经销商在在处理反应堆的水疗院使用的存在经销商上根据足够的学习被开发。冷模型测试数据证明新奇蒸汽液体分发者的液体分发表演比传统的显然好。新分发者的商业测试在在西诺佩克·昌灵·布朗奇同伴对待反应堆的300kt/a气体油水疗院被执行，证明newvapor液体分发者能改进液体分发，支持对待效率的水疗院并且导致比传统的更好的性能。

简介：TheprojectforcommercialapplicationofthesilvercatalystYS-9010attheShanghaiPetrochemicalCompanyhaspassedtheappraisal.Theexpertsattendingtheappraisalmeetinghaveunanimouslyrecognizedthatthistesthasmadeabreakthroughtoattainacatalyticselectivityof90%alongwithprovidingatechnologytoquicklyincreasethecatalystselectivityandshortentheacclimationperiod,makingthecomprehensiveperformanceofthiscatalystcomparabletotheinternationaladvancedlevel.

简介：Thispaperhadinvestigatedtheeffectsofsurfacewettabilityonthefrictionalresistanceofturbulenthorizontalflowfortapwaterinfivepipesmadeofvariousmaterialsandfourkindsofliquidsinapolytetrafluoroethylene(PTFE)pipe,withthesameinnerdiameterof14mm.Pressuredropsweremeasuredunderdifferentflowratesthroughanexperimentalflowloop.Thecontactanglesandadhesionworkofliquidsincontactwithpipesurfacesweredeterminedusingacontactanglemeter.Basedonthedimensionandregressionanalyses,twokindsofmodifiedrelationshipsbetweenthefrictionalcoefficientandthesurfacewettabilitywereestablishedaccordingtothemeasuredresultscorrespondingtotapwaterinfivepipesandfourliquidsinPTFEpipe.Theexperimentalresultsshowthatthesurfacewettabilityhassomeinfluenceonfrictionalcoefficientofthestudiedliquidsflowinginmacroscalepipes,andthefrictionalcoefficientdecreaseswiththeincreaseofthecontactangleatthesameReynoldsnumber.Meanwhiletheeffectofwettabilityonthehydrophobicsurfaceisgreaterthanthatonthehydrophilicone.Thefrictionalcoefficientspredictedbythemodifiedformulashaveverifiedtobeingoodagreementwiththeexperimentalvalues,therelativeerrorsofwhicharewithin±6%and±3%forthetapwaterflowinginfivedifferentpipesandfourkindsofliquidsflowinginPTFEpipe,respectively.

简介：在分析hydrotreating催化的裂开联合处理的传统的残余的劣势以后，RIPP建议了集成与催化裂开对待的残余水疗院的一种双向联合技术叫了不推进的RICP再循环FCC在FCC单位内的重周期油(HCO)并且把HCO送到对待为并发地受到对待的水疗院的残余作为冲淡的油联合起来的残余水疗院在被用作FCC以前喂油。RICP技术能刺激与FCC轻精华的增加的收益一起通过HCO的利用对待反应的残余水疗院，导致提高的石油利用和精炼厂的经济好处。

简介：TheMoS2catalystswerepreparedfromvariousmolybdateprecursorsincludinginorganicandorganicmolybdatecompounds.ThesulfidationdegreeandmorphologyofactivephasesofMoS2activatedbyvariousmolybdateprecursorsinH2S/H2streamatdifferenttemperatureswerestudiedbyX-rayphotoelectronspectroscopy（XPS）andhigh-resolutiontransmissionelectronmicroscopy（HRTEM）.TheorganicmolybdateprecursorsleadtoMoS2catalystswithhighersulfidationdegreeandsmalleractivephasestodemonstratehighercatalyticactivityduringhydrodesulfurizaiton（HDS）of4,6-DMDBT.

简介：SZorbadsorptivedesulfurizationtechnologyisofgreatsignificanceontheproductionofcleangasolineinChina,buttheformationofZn2SiO4duringtheoperationinsorbentswouldbringforthnegativeimpactsonthedesulfurizationperformanceandthestabilityoftheprocessingunit.Byusingthein-situTPO,XRD,andIRtechniquestostudythemechanismofZn2SiO4formationunderoperatingconditions,itwasfoundthatthecoexistenceofacidandhydrothermalconditionscouldacceleratetheformationofZn2SiO4.Moreover,thestudyofZn2SiO4inhibitionmethodindicatedthatthedecreaseofoxygenconcentrationinregenerationgaswouldinhibittherateofZn2SiO4formation,andtheregenerationofZnSwouldtakeplaceinamildregenerationcondition.

简介：ThemesoporousAl-SBA-15zeolitewasobtainedviaimpregnationofpuresilica-basedSBA-15zeolitewithaluminumnitrate.TheAl-SBA-15samplewascalcinedinairat800℃for6handhydrothermallytreatedatnear100℃for120h,respectively,andthenthethermalandhydrothermalstabilityofAl-SBA-15samplewasinvestigatedbyX-raydiffractometry(XRD),scanningelectronmicroscopy(SEM),transmissionelectronmicroscopy(TEM)andnitrogenadsorptionanddesorptiontechniques.TheAl-SBA-15samplewasalsostudiedby27Alnuclearmagneticresonance(27AlNMR)andammoniatemperatureprogrammeddesorption(NH3-TPD)techniques.Inaddition,thecatalyticactivityofAl-SBA-15zeolitewasinvestigatedbytheFriedel-Craftsreactionsof2,4-di-tert-butylphenolwithcinnamylalcohol.ThetestresultsshowedthatthethermalandhydrothermalstabilityofAl-SBA-15zeolitewasbetterthanthatofSBA-15zeo-lite.TheAl-SBA-15zeolitesamplepreparedbyimpregnationmethodexhibitsmoreframeworkaluminumspeciesandAl-O-Siunits.Therefore,thenumberofthesurfacehydroxylgroupswasreduced,resultinginthestabilizationofframeworkstructureofAl-SBA-15zeolite.Thealuminumspeciescanformweakandmedium-strongacidsiteswithcatalyticactivity.

简介：SixNi-MocatalystswithdifferentmetalcontentswerepreparedandcharacterizedbyN2adsorptionandX-raydiffractometry.TheactivephasemicrostructureofthesecatalystswasexaminedbytheRamanspectroscopy,temperatureprogrammedreduction(TPR),X-rayphotoelectronspectroscopy,andhigh-resolutiontransmissionelectronmicroscopy.Hydrodesulfurization(HDS)activityofcatalystsampleswereanalyzedinaflowfixed-bedmicroreactor.ThesulfidationdegreeofMoandthelengthoftheMoS2slabslightlyincreasedwiththeamountofmetalloadedfollowingsulfidation.Thissmallchangeisattributedtopolymolybdatespeciesobservedinalltheoxidizedcatalysts.Weakmetal-supportinteractions,asdeterminedbytheTPRtechnique,increasedtheNiSxsulfidationphaseandMoS2slabstacking.TheHDSactivityofthecatalystsamplesincreasedwiththenumberofactivesites.Forhighmetalloadingcatalysts,theirHDSactivitywasnearlyidenticalbecausethesulfuratomscannoteasilyapproachactivesites.ThischangeiscausedbythelargenumberofstackedlayersintheMoS2slabsaswellasthedecreaseinthespecificsurfaceareaandporevolumeofthecatalystsampleswithanincreasingmetalloading.

简介：<正>TherulesofMIPreactionsforcatalyticcrackingofsulfurcompoundsanditsinfluenceonthesulfurcontentintheMIPnaphthawerestudied.ThemamfactorsinfluencingthesulfurcontentintheMIPnaphthawerethoughttobethesulfurcontentoffeedstockandwerecloselyrelatedwiththeolefincontentofnaphtha.TakingintoaccountthecharacteristicfeaturesofMIPprocess,themethodsforreducingthesulfurcontentintheMIPnaphthawerecomprisedofdecreasingthesulfurcontentoffeedstockbyhydrotreatinganddecreasingtheolefincontentofnaphthathroughpromotinghydrogentransferreactions.Therefore,theEuroⅣcleangasolinewithlowsulfurcontentandlowolefincontentcouldbeobtaineddirectlythroughtheMIPtechnology.