Thermal stable synthetic zeolite

Chemistry of inorganic compounds – Silicon or compound thereof – Oxygen containing

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C01B 3328

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active

039668827

ABSTRACT:
An ultra thermal stable zeolite aluminosilicate having a silica to alumina ratio of 2.5 to <3.5 and a process of making this composition characterized by ammonia ion exchange, followed by calcination at from 1000.degree. to 1400.degree.F. The composition is further characterized by sodium content expressed as the oxide of less than 4 percent.

REFERENCES:
patent: 3130006 (1964-04-01), Rabo et al.
patent: 3140251 (1964-07-01), Plank et al.
patent: 3287282 (1966-11-01), Stiles
patent: 3293192 (1966-12-01), Maher et al.
patent: 3518051 (1970-06-01), Maher et al.

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