Abstract

A Colombian montmorillonite was successfully pillared with solutions of Al, Al–Zr, Zr and Al–Si polyhydroxocations to obtain active catalysts for the hydroconversion of n-heptane. The catalysts were characterised by X-ray diffraction, N 2 adsorption and heptane hydroconversion tests. The catalysts modified by mixed pillaring (Al–Zr and Al–Si) showed a favourable effect on the activity, selectivity and stability, leading to an increase in heptane isomer products.

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