Abstract

Oceanic polymetallic nodules could be used as a catalyst and adsorbent for hydrodemetallation and hydrodesulfurization of petroleum residua in a trickle bed reactor because of their particular composition and porous texture. A kinetic study of these reactions has been undertaken in a micro-pilot unit using operating conditions similar to those encountered in industrial reactors. The effect of the main operating parameters (pressure, temperature, mass flow rates) was investigated. Moreover, the evolution of the porous texture during reaction was examined and the performance of an industrial reactor estimated.

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