Process for obtaining at least one tertiary olefin by decomposing the corresponding ether.

摘要

PROCESS FOR PRODUCING AN OLEFIN TERTIARY, for example isobutene, very pure decomposition of the ether Correspondingly, FOR EXAMPLE THE METHYL tertiobutyl ETHER in the presence of a catalyst consisting of silica modified by adding at least one element or compound of an element CHOSEN preferably in the group consisting of rubidium, cesium, magnesium, calcium, strontium, barium, gallium, lanthanum, cerium, praseodymium, neodymium and uranium, and eventually, BY ADDING TO least one element or compound of an element selected from the group consisting of aluminum, titanium and zirconium.