Patent ID: 7238846
Filing Date: 2007-07-03
Classification: B01J,C07C,Y02P

Abstract:
1. A process for converting a feedstock into one or more olefin(s), the process comprising the steps of (a) providing a feedstock comprising one or more oxygenates and having greater than 10,000 ppm of a Group IA metal salt and/or a Group IIA metal salt; (b) removing an amount of the Group IA metal salt and/or Group IIA metal salt to a level less than 50 ppm to form a treated feedstock; (c) introducing the treated feedstock into a reactor; (d) providing a molecular sieve catalyst composition in the reactor to convert the treated feedstock into one or more olefin(s); and (e) withdrawing an effluent stream comprising the one or more olefin(s) from the reactor.