CatalysisandItsReaction Kinetics ByXuzhude&JiangXianzheng DepartmentofChemistry ZhejiangUniversityChapter1IntroductionandBasicConception 1.1 Significanceofcatalysistomodern chemicalindustry n Someconcepts u catalysis u catalyst u catalyticactivity u catalyzedreactionThe importance of catalyst n Thefirstcatalyticprocessofindustrial significancewasdevelopedasearlyas 1875.ItisPlatinum(Pt)catalyzed oxidationofSO 2 toSO 3 whichwasthen convertedtosulfuricacidH 2 SO 4 n Therearenosuchprogressesofmodern