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US 2026/0028237 A1Published application
Methods of preparing dry gel zeolites with hydrogel drying
AssigneeSaudi Arabian Oil Company
InventorsLianhui Ding, Mohammad F. Aljishi, Faisal Alotaibi
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Abstract
This disclosure relates to methods of preparing a dry gel zeolite including drying the zeolite hydrogel under reduced pressure to form a dry gel zeolite.
Claims20
A method of preparing a dry gel zeolite comprising:
- combining zeolite precursor materials;
- stirring the zeolite precursor materials to form a zeolite hydrogel;
- and
- drying the zeolite hydrogel at a pressure of about 0.001 mbar to about 250 mbar and a temperature of about 20° C. to about 100° C. to form the dry gel zeolite.
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A method of preparing a dry gel zeolite comprising:
- combining zeolite precursor materials;
- stirring the zeolite precursor materials to form a zeolite hydrogel;
- drying the zeolite hydrogel at a pressure of about 0.001 mbar to about 250 mbar and a temperature of about 20° C. to about 100° C. to form the dry gel zeolite;
- grinding the dry gel zeolite;
- crystallizing the dry gel zeolite;
- isolating the dry gel zeolite;
- washing the dry gel zeolite;
- heating the dry gel zeolite;
- and
- calcinating the dry gel zeolite.
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Dependencies are inferred from the claim text.