Catalytic cracking process using fast fluidization for the...

Details Catalytic cracking process using fast fluidization for the... Catalytic cracking process using fast fluidization for the...

C - Chemistry, Metallurgy

07

C

C07C 4/06 (2006.01)

Patent

CA 2617580

Disclosed is a catalytic cracking process for the production of light olefins from a hydrocarbon feedstock using fast fluidization, which is a preferred process for more efficiently increasing the production of light olefin hydrocarbons. According to this invention, a fast fluidization regime is applied to a fluidized bed catalytic cracking process of producing light olefins using zeolite, such that a volume fraction and distribution of the catalyst sufficient to induce the catalytic cracking reaction can be provided, thus effectively enhancing the production of light olefin hydrocarbons, in particular, ethylene and propylene, at high selectivity.

L'invention concerne un procédé de craquage catalytique permettant la production d'oléfines légères à partir d'une charge d'hydrocarbures, par fluidisation rapide. Il s'agit d'un procédé préféré permettant d'augmenter plus efficacement la production d'hydrocarbures oléfiniques légères. Selon l'invention, un régime de fluidisation rapide est appliqué à un processus de production d'oléfines légères au moyen d'une zéolite par craquage catalytique en lit fluidisé, de sorte à obtenir une fraction volumique et une répartition de catalyseur suffisantes pour induire la réaction de craquage catalytique, ce qui améliore efficacement la production d'hydrocarbures oléfiniques légères, en particulier d'éthylène et de propylène, à une sélectivité élevée.

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