Patent ID: 9192922
Filing Date: 2015-11-24
Classification: B01J,C07C,Y02P

Abstract:
1. A process for producing propylene, comprising contacting at least one of raw materials selected from the group consisting of ethylene and ethanol with a catalyst containing a medium pore diameter zeolite in a fluidized bed reactor wherein the catalyst containing the medium pore diameter zeolite contains zeolite having a pore diameter of 0.5 to 0.65 nm and satisfies the following (a) through (f): (a) a particle diameter of catalyst particles at 90% by weight or more is within a range of 10 to 197 μm; (b) a bulk density of the catalyst particles is within a range of 0.7 to 1.1 g/cm (c) a mean compressive strength of the catalyst particles having a particle diameter within a range of 30 to 70 μm is 15 MPa or more, and a compressive strength of the catalyst particles at 90% by weight or more is 10 MPa or more; (d) an angle of repose is 20 to 30° ; (e) a pore volume of pores having a pore radius within a range of 2000 to 20000 nm is 0.050 cc/g or less: and (f) contains a zeolite and a siiica and has a composition represented by the following formula (1) (wherein A represents a ratio of a weight of the silica to a weight of the zeolite, and 0<A≦10), and is produced using a non-aggregating zeolite, in which a molar ratio of SiO