Metallo aluminophosphate molecular sieve with novel crystal morp

Details Metallo aluminophosphate molecular sieve with novel crystal morp Metallo aluminophosphate molecular sieve with novel crystal morp

1997-12-09

1999-06-15

Lewis, Michael

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

From nonhydrocarbon feed

585639, 502208, 502214, 423305, 423306, C07C 100

Patent

active

059123931

ABSTRACT:
A catalyst for converting methanol to light olefins along with the process itself are disclosed and claimed. The catalyst is a metalloaluminophosphate molecular sieve having the empirical formula (EL.sub.x Al.sub.y P.sub.z)O.sub.2 where EL is a metal such as silicon or magnesium and x, y and z are the mole fractions of EL, Al and P respectively. The molecular sieve has a crystal morphology in which the average smallest crystal dimension is at least 0.1 microns. Use of this catalyst gives a product with a larger amount of ethylene versus propylene.

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