Converting methanol to light olefins using small particles...

Details Converting methanol to light olefins using small particles... Converting methanol to light olefins using small particles...

B - Operations, Transporting

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252/128, 252/78,

B01J 27/14 (2006.01) B01J 29/84 (2006.01) B01J 29/85 (2006.01) C07C 1/20 (2006.01) C07C 11/02 (2006.01)

Patent

CA 2073537

Methanol is converted to light olefins in a conversion process using a catalyst catalyst comprising a metal aluminophosphate molecular sieve having the empirical formula (EL x Al y P z)O2 where EL is a metal and x, y and z are mole fractions of El, Al and P respectively where preferred metals are silicon, magnesium and cobalt, with silicon especially preferred and where the metal aluminophosphate is composed of particles at least 50% of which have a particle size less than 1.0 µm and no more than 10% of the particles have a particle size greater than 2.0 µm. It is also preferred that the metal content (x) of the metal aluminophosphate be from about 0.005 and 0.05 mole fraction. The catalyst containing the small particles of the metal aluminophosphate is also part of the invention.

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