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Citation: Wang Luping, Yang Xiyao, Pang Li. THE ELECTRONIC MODIFICATION EFFECT OF ACIDITY OF SUPPORT UPON THE SURFACE PROPERTIES AND CATALYTIC BEHAVIORS OF SUPPORTED Pt CATALYSTS[J]. Acta Physico-Chimica Sinica, ;1986, 2(05): 424-431. doi: 10.3866/PKU.WHXB19860506 shu

THE ELECTRONIC MODIFICATION EFFECT OF ACIDITY OF SUPPORT UPON THE SURFACE PROPERTIES AND CATALYTIC BEHAVIORS OF SUPPORTED Pt CATALYSTS

1.
北京大学化学系催化教研室

Received Date: 23 September 1985
Available Online: 15 October 1986

The electronic effect of acidity of supports upon the surface properties and catalytic behaviors of various supported Pt catalysts have been studied by IR spectroscopy, competitive hydrogenation reaction, TPD method and hydrogenation of toluene as test reaction. The supports used are HY zeolite, Al_2O_3-SiO_2, γ-Al_2O_3 etc. Number of acid site and acid strength of supports determined by n-butylamine titration method follow the sequence: for number of acid site: HY>Al_2O_3-SiO_2>γ-Al_2O_3 for acid strength:
for number of acid site: HY>Al_2O_3-SiO_2>γ-Al_2O_3
for acid strength: HY>Al_2O_3-SiO_2>γ-Al_2O_3
...
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