工业催化原理英文课件.ppt

《工业催化原理英文课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、CatalysisandIt’sReactionKineticsByXuzhude&JiangXianzhengDepartmentofChemistryZhejiangUniversityChapter1IntroductionandBasicConception§1.1SignificanceofcatalysistomodernchemicalindustrySomeconceptscatalysiscatalystcatalyticactivitycatalyzedreactionTheimportanceofcatalystThefirstc

2、atalyticprocessofindustrialsignificancewasdevelopedasearlyas1875.ItisPlatinum(Pt)catalyzedoxidationofSO2toSO3whichwasthenconvertedtosulfuricacidH2SO4TherearenosuchprogressesofmodernchemicalindustrywithoutcatalysisMorethaneightypercents(80%)ofchemicalengineeringprocessesinvolvecataly

3、sisSeveralimportantappliedfieldsofcatalysisSynthesisofAmmonia--atypicalillustrationforthedevelopmentofcatalystFe-Al2O3-K2ON2+3H22NH3thisreactionalmostcannotbeobservedattheatmospherepressureandroomtemperatureeventhroughitsGisnegative.BASFfirstachievedtheindustrialprocessofammonias

4、ynthesisin1910,andwontheNobelprizeof1932.SeveralimportantappliedfieldsofcatalysisPetroleumrefiningcatalyzedcrackingofcrudeoiland/orheavyoiltoenrichthelightoilcomponents.Hydrocarbonwithlargermolecularweightcrackstosmallermolecules.SiO2-Al2O3,ZSM-5zeoliteReforming:convertingalkylhydro

5、carbontoaromatichydrocarbonPlatinumPtSeveralimportantappliedfieldsofcatalysisPolymer:Synthesizedfiber,robber,andplasticpolymerizationofolefin(ester,acrylonitrile......)Zeagler-Nattatypecatalyst-TiCl4/AlEt3ProductionofprimaryorganicchemicalsaminoxidationofpropenetoacrylonitrileCH2=C

6、HCH3+NH3+1/2O2CH2=CHCN+3H2OP-Mo-Bi,multi-componentcatalystSeveralimportantappliedfieldsofcatalysisProductionofprimaryorganicchemicalsaminoxidationofpropenetoacrylonitrileCH2=CHCH3+NH3+1/2O2CH2=CHCN+3H2OP-Mo-Bi,multi-componentcatalystOxidationofethylenetoaldehydeCH2=CH2+1/2O2

7、CH3CHOPdCl2/CuCl2complexingcatalysSeveralimportantappliedfieldsofcatalysisManufacturingfinechemicalsInwholepatentsinvolvingcatalysisissuedinJapan,thosedealingwithfinechemicalshadbeenincreasedbyaboutthreetimes,from7.1%to24.8%duringtheperiodof1975-1984.EnvironmentprotectionCatalystf

8、orautomobiletailgas