PREPARATION OF OLEFINS FROM CRUDE METHANOL

摘要

O.Z. 0050/033725 of the disclosure: A process for the preparation of C2-C5-olefins from crude methanol and/or dimethyl ether by catalytic conversion at an elevated temperature in the presence of a zeolite-containing catalyst, wherein the zeolite has been prepared from technical-grade waterglass with the aid of hexamethylenediamine, without addition of a metal salt. The raw material used for the process is undiluted crude methanol and/or dimethyl ether.