分子筛催化剂上异丙苯与丙烯液相烷基化合成二异丙苯反应的分析

《分子筛催化剂上异丙苯与丙烯液相烷基化合成二异丙苯反应的分析》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、ABSTRACTINVESTIGATIoNOFDIISOPRoPYLBENZENESYNTHESISFROMLIQUID—PHASEALKYLATIONOFISOPROPYLBENZENEWITHPRoPYLENEoVERZEoLITECATALYSTBasedonallisothermalintegralreactor(reactordimension：①26×2．5mm，L450mm)，themostsuitablecatalystfortheliquid-phasealkylationthatisopropylb

2、enzenewithpropylenefordiisopropylbenzenesythesiswasstudied，andthebestchoicewasYSBH--4catalyst．Thentheeffectsoftemperature，isopropylbenzene／propylenemolarratioandliquidspacevelocityonthealkylationreactionprocess(includingselectivityandconversion)wereinvestigatedb

3、ymeansofthesingle—factorexperimentalmethodunderawideexperimentrange(temparature140～220。C，liquidspacevelocity6～24h～，isopropylbenzene／propylenemolarratio4～16)．Andtheorthogonaltextdesignwasemployedtoinvestigatetheglobaleffectofthesefactorsaboveonthalkylationprocess

4、andthesuitableoperatingconditionsweredeterminedasfollows：temperatureof160℃，isopropylbenzene／propylenemolarratioof14andspacevelocityof9h-1．Secondly,thethermodynamicpropertiesandreactionnetworkofthisreactionsystemwerestudiedsystematicallybasedontheexperimentalresu

5、lts．Asaresult，themainreactionandmainsidereactionsweredeterminedandtheIII北京化工大学硕士学位论文reactionnetworkforalkylationofisopropylbenzenewithpropylenewasproposed，whichcouldexplaintheexperimentalphenomenareasonablyinthispaper．Finally,PowerLawtyperateequationsofthissyste

6、mwereestablishedonthebasisofthereactionnetworkproposedandthedataofthekineticexperimentcarriedoutfollowingtheconditions：temperatureof140℃～220℃，isopropylbenzene／propylenemolarratioof3．1～17．1andthepressure3．0／VIPa，theparametersofthekineticmodelsweresearchedandestim

7、atedbymeansofSimplexoptimalmethod．TheresultsoftheStatisticalanalysisandtheresidualdistributiontestshowedthePowerLawtyperateequationsherewasconsistent淅mtheexperimentaldata，SOitwassuitableandreliable．KEYWORDS：diisopropylbenzene，operatingcondition，zeolite，alkylatio

8、n，thermodynamics，kineticsIV符号说明峰面积或关联系数浓度，tool·l一定压摩尔热容，kJ·tool-I．K‘1反应器内径，mm催化剂粒度，mm活化能，J'molo原料体积流量，ml·h0校正因子吉布斯自由能，kJ·toolJ烩，kJ‘tool"1虚拟平衡常数化学平衡常数反应速率常数，tool·gear-