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Catalytic cracking catalysts using silicoaluminophosphate molecular sieves

Patent ·
OSTI ID:6367765
; ; ; ;
A cracking catalyst is described comprising: a silicoaluminophosphate molecular sieve of U.S. Pat. No. 4,440,871 characterized in its calcined form by an adsorption of isobutane of at least 2 percent by weight at a pressure of 500 torr and a temperature of 20/sup 0/C and having an effective amount of the cations associated with the silicoaluminophosphate molecular sieve selected from the group consisting of H+, ammonium, Group IIA, groups IIIB to VIIB, cerium, lanthanum, praseodymium, neodymium, and promethium.
Assignee:
Union Carbide Corp., Danbury, CT
Patent Number(s):
US 4666875
OSTI ID:
6367765
Country of Publication:
United States
Language:
English

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Related Subjects

2-METHYLPROPANE
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ADSORBENTS
ADSORPTION
ALKANES
ALUMINIUM COMPOUNDS
ALUMINIUM PHOSPHATES
AMMONIUM COMPOUNDS
CALCINATION
CATALYSTS
CATALYTIC CRACKING
CERIUM COMPOUNDS
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
CRACKING
DECOMPOSITION
HYDROCARBONS
HYDROGEN COMPOUNDS
LANTHANUM COMPOUNDS
LOW PRESSURE
MEDIUM TEMPERATURE
MOLECULAR SIEVES
NEODYMIUM COMPOUNDS
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PHOSPHATES
PHOSPHORUS COMPOUNDS
PRASEODYMIUM COMPOUNDS
PROMETHIUM COMPOUNDS
PYROLYSIS
QUANTITY RATIO
RARE EARTH COMPOUNDS
SILICON COMPOUNDS
SILICON PHOSPHATES
SORPTION
THERMOCHEMICAL PROCESSES