苯甲酸液相催化氧化合成苯酚的研究.pdf

1、湖南大學(xué)碩士學(xué)位論文苯甲酸液相催化氧化合成苯酚的研究姓名：李陵嵐申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：應(yīng)用化學(xué)指導(dǎo)教師：吳鑫干2002.3.1AbstractPhen01asaessentialindustrialchemicalisu’idelyusedinmanyfieldsThispaperexpoundskindsofpropertiesanddevelopingconditionofphenol；introducesthesynthetic

2、methodsofphenol；specializesthenewdevelopmentsinthetoluene／benzoicacidoxidationWeinvestigatethetechno—economicanalysisTheresultsindicatetheyieldtimeinthetoluene／benzoicacidoxidationisabouttwoyearsSothemethodbytolueneoxida

3、tioncangainbetterprofitsandhasbetterpotentialfordevelopmentInthispaperwecalculatesomequestionsonthethermodynamicsofbenzoicacidcatalyticoxidationintheliquidphaseThereactioncanbespontaneouscarryontotheproductionsandthesele

4、ctionisabout100％：benzoicacidcanapproximatelyreactinthewholeThekineticsofP37rolysisofcupricbenzoateinbenzoicacidmeltisstudiedThepyrolysisofcupricbenzoateinbenzoicacidmeltconformstofastpseudosecondorderreactionregime，andis

5、twoorderwithrespecttocupricconcentrationTheactivityenergyisabout7KJ，andthehalflifein200～240。Cis40minWealsoexplorethemechanismofphenolformationbybenzoicacidcatalyticoxidationintheliquidphaseThecatalysesinthebenzoicacidoxi

6、dationprocessarealsostudiedThepyrolyticpropertyofmanganesebenzoateissimilartothatofcupricbenzoateTheelementsofIA、IIA、liBcanpromotethepyrol3，sisAmongitsmagnesiumoxideshowsthebestresultThemolarratiobetweenCu(II)andMg(II)an

7、damountsofcatal3，stastwoprominentfactors，arestudiesWhenMg(II)isexcessbetweenCu(II)／Mg(II)theconversionrateisbetterⅥ7henCu(111isexcessbetweenCu(II)／Mg(II)，theselectivityisbettern(CuO)：n(MgO)=I：15；theamountofCuOinthesystem

8、isabout73％(m01)Theyieldsofphenolare80～85％underthisconditionina2LagitatedstainlesssteelreactorPurificationofproductsandreuseofinputmaterialandcatalystarestudiesTheproductamountstostatestandardbymeltpointandIRspectraanalys