煉廠丙烯液相烷基化法合成異丙苯工藝及動力學研究.pdf

1、北京服裝學院碩士學位論文煉廠丙烯液相烷基化法合成異丙苯工藝及動力學研究姓名：吳彩金申請學位級別：碩士專業(yè)：化學工程指導教師：杜迎春2003.1.24北京服裝學院碩士論文結(jié)果與討論AbstractBenzenehasbeenisopropylatedintocumenebyliquid—phasereaction、ntllcrudepropyleneonFHIOlcatalystTheinfluenceofWHSVtopropylene、

2、temperature、moleratioofbenzenetopropyleneonalkylationreactionhasbeenstudiedOnthesuitableprocessconditionsastemperature4131543315K、pressure30MPa、WHSVtopropyleneO406h～、moleratio78ofbenzenetopropylene，theconversionofpropyle

3、necangetupto100％andtheselectivityofcumenewouldbe94％allSOBymeansofacceleratedaging，theinfluenceofcrackedpropylenetocatalystlifetimehasbeenstudiedTheresultsrevealedthatthelifetimewithcrackedpropylenewasn’tdifferent、砘tllitw

4、impyrolysispropyleneongas—liquid—solidthreephasealkylationreactionTheresultinliquidphasereactionwasonthecontrastThelifetimecanbelargelyadvancedbyhydrogenationofcrackedpropyleneinhydrogenationreactororstraightgettingthehy

5、drogenintoalkylationreactortheeffectoftheformerwasbetterthanthelatterThereactivityofthedeactivatedcatalystCanbepartlyandtimeaftertimeresumedbybenzenesituregenerationThispaperalsostudiedthecharacterkineticmodelofthealkyla

6、tionreactionofbenzenewitllpropyleneonliquid—phaseintegralreactorontheconditionoftemperature413t545315K，pressure30MPaTheresultis：。=碉dSl=曩c≯吲101一七zc“c譬8其中k=167X104exp(604x103／T)k2=143106exp(一874x103／T)Keyword：liquidphaseal