1-Butene Cracking to Propene on High Silica HMCM-22: Relations Between Product Distribution and Feed Conversion Under Various Temperatures.

HMCM-22 zeolite with a high Si/Al2 ratio (158) was applied to the 1-butene cracking reaction in a fixed-bed reactor. On basis of the product distribution, the main reaction pathways of C4 alkenes catalytic transforming on HMCM-22 were proposed. Also, the preferences of the reaction pathways influenced by the temperature and conversion level were discussed, which could provide good guidance on enhancing the propene production. [ABSTRACT FROM AUTHOR]