Patent ID: 9260356
Filing Date: 2016-02-16
CPC Classification: B01J,C07C

Claim Text:
1. A process comprising: converting an alcohol or an ether into light olefins in the presence of a catalyst, wherein the catalyst comprises a phosphorous modified zeolite, wherein the process for making the catalyst comprises the following in sequential order: a) introducing phosphorus into a zeolite comprising at least one ten membered ring in a structure thereof to form the phosphorous modified zeolite, wherein an amount of phosphorous introduced into the zeolite ranges from 0.5 to 30 weight percent; b) mixing the phosphorous modified zeolite of step a) with a component selected from a group consisting of binder, salt of alkali-earth metal, salt of rare-earth metal, clay, and combinations thereof, to form a mixture; b*) making a catalyst body from the mixture of step b) by spray-drying the mixture; c) optionally drying the catalyst body, optionally followed by washing the catalyst body; d) calcining the catalyst body; and d*) optionally washing the calcined catalyst body, optionally followed by drying the calcined catalyst body; and wherein all the phosphorus is introduced in step (a).