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Chemistry for Sustainable Development

2014 year, number 3

Effect of Silicate Modulus and Modifying with Metals on the Acidic and Catalytic Properties of ZSM-5 Type Zeolite in the Isomerization of n-Octane

L. M. VELICHKINA,В В D. A. KANASHEVICH,В В L. N. VOSMERIKOVA and A. V. VOSMERIKOV
Institute of Petroleum Chemistry, Siberian Branch of the Russian Academy of Sciences,
Pr. Akademicheskiy 4, Tomsk 634021 (Russia)
E-mail: mps@ipc.tsc.ru
Keywords: zeolite, pentasil, ZSM-5, n-octane, isomerization, conversion, selectivity, modification, metal nanopowders
Pages: 237–245

Abstract

High-silica pentasil zeolites with the silicate module from 20 to 200 were synthesized. Basing on them, catalysts have been prepared those contain nickel, zirconium and platinum introduced using various ways. An effect of the zeolite silicate modulus and modifying exerted on the acidity and activity of zeolite catalysts in the course of n-octane isomerization were studied. Optimal conditions for the isomerization of n-octane in the presence of catalysts under investigation have been determined.