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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.

简介：公开号CN1781954A公开日2006．6．7申请人日本三井化学株式会社提供可成形成薄膜与薄板等各种成形体，成形性、特别是高速成形性优越的乙烯系聚合物。本发明有关的乙烯系聚合物的特征在于密度和分子量分布在特定的范围内，第一乙烯系聚合物特征在于（C）在190℃10kg负荷的熔体流动速度（MFR10）与2．16k负荷的熔体流动速度（MFR2）之比（MFR10／MFR2）在16．2-50的范围内，第二乙烯系聚合物的特征在于（C）MFR10／MFR2在12-50的范围内。

简介：为适应简易录井需求，尤其适合开发井低成本录井服务需要，胜利油田地质录井公司研制了SLXL-3型红外气体检测录井仪。录井仪的数据采集模块采用485总线方式．以简化系统结构，减小安装强度；气体检测模块放弃了传统的FID检测方式，选用了基于红外原理的气体检测，检测的参数包括轻烃、重烃和全烃。整个仪器实现了数据采集小型化和气体检测的简约化。现场实验证明该仪器完全适合于快速搬迁的开发井录井作业。

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简介：采用中石化金陵分公司研究院研制的CI-50（Pd／丝光沸石）作C5／C6烷烃异构化催化剂。详细介绍了该催化剂的工业放大试验装置的工艺流程、首次开工过程中技术问题及处理方法。

简介：TheLY-2005catalystforfullhydrotreatingofC4andC5hydrocarbonsdevelopedbyPetroChina’sPetrochemicalResearchInstitutehasbeenappliedincommercialscaleatthemixedC4andC5productionunitofShanghaiPetrochemicalCompany.Thiscatalystisfor

简介：Inthispaper,2-isopropylnaphthalenehasbeensynthesizedbythereactionofnaphthaleneandisopropylbromide,usingtriethylaminehydrochloride-aluminumchlorideionicliquidasthecatalyst.Theeffectofthecatalystcomposition,thereactiontime,thereactiontemperature,theionicliquiddosage,aswellasthemolarratioofthereagentsonthe2-isopropylnaphthaleneyieldwassystematicallyinvestigated.Theoptimalreactionconditionscover:anAlCl3toEt3NHClratioof2.0,areactiontimeof3h,areactiontemperatureof15.0℃,avolumefractionofionicliquidtothemixture(isopropylbromide,n-dodecaneandn-hexane)of9%,andanaphthalene/isopropylbromidemolarratioof4.0.Undertheoptimalreactionconditions,theconversionofisopropylbromidereached98%andtheselectivityof2-isopropylnaphthalenewasequalto80%.ThetestresultsverifiedgoodcatalyticactivityuponusingEt3NHCl-AlCl3ionicliquidasthecatalystforalkylationofnaphthalenewithisopropylbromide.Theactivityoftheionicliquidremainsunchangedafterithasbeenrecycledfor4times.

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简介：以2,6-二甲基苯酚、氧气为原料,氨水与乙酸铜为催化剂,合成得到了3,3′,5,5′-四甲基-4,4′-联苯二醌,得到反应的最佳条件为:2,6-二甲基苯酚的浓度为0.1g/mL,氨水与乙酸铜的摩尔比为0.43,温度为75℃,反应时间为6h,产率达到60%.

简介：Alkylationoftoluenewith2-chloro-2-methylpropane(t-Bu-Cl)tosynthesizepara-tert-butyltoluene(PTBT)wascarriedoutinthepresenceoftriethylaminehydrochloride-aluminumchlorideionicliquidsusedasthecatalyst.TheionicliquidswerepreparedwithdifferentmolarratiosofEt3NHCltoAlCl3,andtheeffectofthemolarratiobetweenAlCl3andEt3NHCl,thereactiontime,thereactiontemperature,theionicliquiddosage,aswellasthemolarratiooftoluenetochloro-2-methylpropaneonthealkylationreactionoftoluenewithchloro-2-methyl-propanewasinvestigated.ThetestresultsshowedthattheacidicionicliquidspreparedwithEt3NHClandAlCl3hadgoodactivityandselectivityforthealkylationreactionoftoluenewithalkylchloridetoproducePTBT.TheoptimalreactionconditionswerespecifiedatanAlCl3toEt3NHClratioof1.6,areactiontemperatureof20℃,amassfractionoftoluenetoionicliquidof10%,andachloro-2-methylpropanetotoluenemolarratioof0.5.Underthesuitablereactionconditions,a98%conversionofchloro-2-methylpropaneandan82.5%selectivityofPTBTwereobtained.Ionicliquidscouldbereused5timeswithitscatalyticactivityunchanged,andtheregeneratedionicliquidscanberecycled.

简介：本项成果是为委内瑞拉马拉开波湖I区VLA－8断块C6－U／M油藏改善注水方案所做的数值模拟工作。该油藏经过10年枯竭式开采和25年注水开采，产气量和注水量存在严重矛盾。本文着重介绍该油藏数据检查，评估和处理，以及相应的模拟策略。对于历史拟合和方案预测的主要结果也做了介绍。历史拟合得到的注水量和产液量的分配与仅有的实测资料是一致的。因而历史拟合给出的开采现状和饱和度分布是可信的。以此为基础设计六个注水方案的预测结果表明该油藏还具有一定生产潜力。方案的选择取决于经济分析和委方国家政策。

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简介：TheresultsofcommercialapplicationoftwotypesofC_8aromaticsisomerizationcatalystsunderdifferentfeedconditionswerecomparedtogainaninsightinthetechno-economicalbasisforselectingpropertechnologicalrouteattheplant.Thecomparisonrevealsdifferencesineveryaspectoffeedconsumption,unitcapacity,productoutput,productdistribution,andunitprocessparametersdependinguponwhichcatalysttypeisadoptedbytheintegratedPXcomplex.Thetypeofaromaticsisomerizationcatalysthasitsinfluenceontheplantscale,theconstructioncost,theprocessunitcapacityandtheproductcost,withthemagnitudeofitsimpactvaryingwithchangingfeedconditions.

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简介：3月份，在全球股市上扬、美联储意外购入长期美国公债等利好消息的带动下，国际油价强劲反弹。WTI、英国布伦特原油以及亚洲迪拜原油的现货价格平均为每桶48．00美元、46．54美元和45．59美元，较2月份分别上升了8．84美元、3．47美元和250美元，环比分别增长28％、8％和6％。