Patent ID: 6441262
Filing Date: 2002-08-27
Classification: C07C,Y02P,Y10S

Abstract:
A method of making a product containing olefin comprising:contacting, in an oxygenate conversion zone, a catalyst incorporating a silicoaluminophosphate molecular sieve, a metal containing silicoaluminophosphate molecular sieve, or mixtures thereof with an oxygenate to convert a portion of the oxygenate to an olefin product; separating the catalyst from the olefin product and directing a portion of the separated catalyst to a regenerator; contacting, in an alcohol contact zone, the regenerated catalyst with method and an alcohol, selected from the group consisting of ethanol, 1-propanol, 1-butanol, and mixtures thereof; and directing the alcohol contacted catalyst from the alcohol contact zone to the oxygenate conversion zone.