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《分子篩催化劑上甲苯烷基化合成異丙基甲苯的分析》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、ABSTRACTINVESTIGATIoNOFSYNTHESISOFISoPRoPYLToLUENEWITHTOLUENEoVERZEOLITECATALYSTABSTRACTInthispaper,basedonzeolitecatalyst，theapplicationandbasicresearchonsynthesisofisopropyltolueneiscarriedout．Basedonanisothermalintegralreactor(reactordimension：①16×3mm，L300mm)，themostsuita
2、blecatalystforthesythesisofisopropyltoluenewasstudied，andthebestchoicewas13zeolitecatalystbycomparisonofHZSM-5，HM，HYand13．Vapor／liquidphasealkylationreactionoftolueneandpropylene／isopropylalcoholwerecardedoutover13zeolitecatalyst，respectively．Itwasobtainedthattheliquidphasea
3、lkylationissuperiortogasalkylationandalkylationoftoluenewithpropyleneissuperiortoalkylationoftolueneandisopropylalcoh01．Thestandardheatofformation，freeenergyandheatcapacityofisopropyltoluenewereestimatedbymeansofBenson’SandMissena’sgroupcontribution．Thethermodynamicanalysiso
4、fsynthesisprocessofisopropyltolueneandthecalculationsofequilibriumconstantswerecarriedout．Thentheeffectsoftemperature，tolueneandpropylenemolarratioandIII北京化工大學(xué)碩士學(xué)位論文liquidspacevelocityonthealkylationreactionprocess(includingconversionandselectivity)wereinvestigatedbymeansoft
5、hesingle—factorexperimentalmethodunderawideexperimentrange．Andtheorthogonaltestdesignwasemployedtoinvestigatetheglobaleffectofthesefactorsmentionedaboveonthealkylationprocessandthesuitableoperatingconditionsweredeterminedasfollows：temperatureof220℃，toluene／propylenemolarrati
6、oof8：1andspacevelocityof30h-1．Underaboveconditions，theselectivityofisopropyltoluenecouldreach97．69％andtheselectivityofo-isopropyltoluenecouldbecontrolledat4．99％．KEYWORDS：isopropyltoluene，zeolite，alkylation，operatingcondition，thermodynamicIV符號說明峰面積定壓摩爾熱容，kJ·molq"K"1反應(yīng)器內(nèi)徑，nffn
7、校正因子吉布斯自由能，kJ‘mol。焓，kJ·mol‘1化學(xué)平衡常數(shù)反應(yīng)器長度，nHn摩爾質(zhì)量，g．mol‘1質(zhì)量，g物料摩爾流量，mol·h-1指數(shù)或摩爾數(shù)壓力，Pa通用氣體常數(shù)，8．3145J·molq'K"1熵，J'mol-i'K-1熱力學(xué)溫度，K溫度，℃內(nèi)標(biāo)物質(zhì)量，g催化劑裝填質(zhì)量，g轉(zhuǎn)化率質(zhì)量百分含量摩爾分?jǐn)?shù)對稱數(shù)摩爾分?jǐn)?shù)光學(xué)異構(gòu)體個數(shù)或西勒模數(shù)原料液密度，g‘“。1內(nèi)標(biāo)物或色譜柱外徑，nm變化量反應(yīng)計量系數(shù)對異丙基甲苯鄰異丙基甲苯間異丙基甲苯正丙基甲苯二異丙基甲苯生成氣體丙烯組分反應(yīng)器入口極差分析表中列數(shù)液體所取液體產(chǎn)品測量反應(yīng)器出
8、口部分反應(yīng)標(biāo)準(zhǔn)物質(zhì)量水摩爾分?jǐn)?shù)反應(yīng)器入口反應(yīng)器出口標(biāo)準(zhǔn)態(tài)腓川一一m—fgnim．，。m一呲剛rsw～y。淋m呲。，‘IlrL【A唧D，GHKLMmNn
