Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – Faujasite type
Patent
1986-06-12
1989-06-20
Mc Farlane, Anthony
Catalyst, solid sorbent, or support therefor: product or process
Zeolite or clay, including gallium analogs
Faujasite type
502 77, 423328, B01J 2908
Patent
active
048409308
ABSTRACT:
Zeolite Y and other faujasite type zeolites are made stable to acid by calcination in a steam-containing atmosphere with a slow, controlled heating rate in the temperature range at which chemically bound water in the zeolite is given off, generally from 500.degree. C. to 650.degree. C. The stabilized product may be extracted with acid to produce a zeolite having a higher silica:alumina ratio. The high silica forms of zeolite ZSM-20 which may be produced by this method are novel materials.
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Kerr George T.
LaPierre Rene B.
Partridge Randall D.
Reischman Paul T.
Mc Farlane Anthony
McKillop Alexander J.
Mobil Oil Corporation
Schneller Marina V.
Speciale Charles J.
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