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US 6,551,573 B2Granted
Synthesis of aluminum rich AFI zeolite
AssigneePraxair Technology, Inc.
InventorQisheng Huo
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Abstract
A low silica AFI zeolite and a high purity gmelinite zeolite that have a SiO2/Al2O3 ratio of about 10 or less are provided.
Claims8
A method of synthesizing a GME zeolite having a SiO2/Al2O3 ratio of about 10 or less, comprising the step of:
- calcining a K-gmelinite having a quaternary ammonium template to remove said quatemary ammonium template, thereby forming K-gmelinite.
Dependencies are inferred from the claim text.