煉廠丙烯液相烷基化法合成異丙苯工藝及動力學(xué)研究.pdf

1、北京服裝學(xué)院碩士學(xué)位論文煉廠丙烯液相烷基化法合成異丙苯工藝及動力學(xué)研究姓名：吳彩金申請學(xué)位級別：碩士專業(yè)：化學(xué)工程指導(dǎo)教師：杜迎春2003.1.24北京服裝學(xué)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