2乙基氫蒽醌催化氧化生產(chǎn)過氧化氫研究(1)

1、天津大學碩士學位論文2乙基氫蒽醌催化氧化生產(chǎn)過氧化氫研究姓名：李洪濤申請學位級別：碩士專業(yè)：化學工藝指導教師：米鎮(zhèn)濤20061201Abstract琢觳presentindustrialproductionofhydrogenperoxide，anthraquinoneprocessisstiUtheprimarymethod。Catalysts精徽notappliedintotheoxidationofanthrahydroquino

2、ne，howeveroxidationcatalystcanobviouslyincreasethereactionrateofanttvrahydroquinone，thereforecallreducetheproductioncostandimprovetheproductionefficiencyInthisthesis，catalyticoxidationeffectof2ethylanthrahydroquinonebyor

3、ganicamineswasstudied。Atriclding撅積bedreactorwasappliedinthehydrogenationof2ethylanthraquinoneworkingsolution。2ethylanthraquinoneworkingsolutionandhydrogengascocurrenflyflowfromthetopdown也瓣u曲thebedreactorwhichwaspackedwit

4、hPd／A12030d％：0280／00。32％)Andthehydrogenationefficiencyis799tUlundertheconditionwhichreactiontemperatureis60“C，thepressureis025MPathespacevelocityofworkingsolutionandhydrogengasis266h’and13。32h“’，respectivelyTheeffectofex

5、ternaldiffusionofoxgengashadbeenbasicallyeliminatedintheoxidationof2ethylanthrahydroquinonewhilethestirringrateis2750rmin“‘intheconditionwhichthereactiontemperatureis50℃andtheflowofairis1OL。min“1undertheatmosphericpressu

6、reInthiswaycatalyticoxidationeffectof2ethylanthrahydroquinonebysixorganicamineswasdeterminated，anditwasfoundthatsecondaryamineespeciallydi—noctylaminecouldsuccessfullycatalyzethisoxidation’Inthisthesis，oxidationkinectics

7、equationwasestablishedbyexpontentialmodelasfollows：一￡一|11瓤10‘r=k乒c‰吧=28。115窖1rC。16綹44凹’Theoxidatinrateofanthrahydroquinoneincreases姆organicamines，howeveritdecreasesbyacidcompoundssuchasphosphoricacidItwasfoundthattherate

8、。determiningstepinthisoxidationisthehy＆ogeneliminationfromanthrahydroquinonewhichcansuccessfullyexplainthemechanismthattheorganicaminescatalyzethisoxidationTheeffectoforganicaminesonthehydrogenationofanthraquinoneworking