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《CHINESE JOURNAL OF CATAL YSIS》 1996-03
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MECHANISM OF METHYLCYCLOPENTANE RING OPENING ON EUROPt 1(Pt/SiO 2)

Zhuang Yiping (School of Chemical Engineering, Dalian University of Technology, Dalian 116012) Aldert Frennet (Universite Libre de Bruxelles, Catalyse Heterogene, CP 243, 1050 Brussels, Belgium)  
Methylcyclopentane ring opening on EuroPt 1 has been studied at atmosphere pressure firstly by transient kinetic method. 2 methylpentane and 3 methylpentane give a similar response which significantly differs from n hexane after suddenly introducing about 1 2 kPa methylcyclopentane to the reactor at 8 kPa hydrogen; the product ratio of 2 methylpentane to n hexane changes with the time and a minimum value of 0 32 and 0 61 was observed at 458 K and 473 K, respectively. The results show that two parallel reactions are taking place: one producing n hexane and the other forming 2 methylpentane and 3 methylpentane. Therefore the non selective mechanism as proposed in the literature is questioned.
【CateGory Index】: O621.25
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