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US 11,014,821 B2Granted
Methods for preparation of CHA Zeolite at ambient pressure
AssigneeZeolyfe, LLC
InventorDavid Ari Lang
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Abstract
The disclosure, in one aspect, relates to methods of preparing a CHA zeolite under ambient pressure conditions. In further aspects, the disclosure relates to methods such that a mother liquor can be isolated from a disclosed method, and recycled for use in a disclosed method for further preparation of a CHA zeolite. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.
Claims20
A method for preparing a CHA zeolite, the method comprising:
- heating a zeolite precursor mixture at ambient pressure under reflux conditions;
- wherein the zeolite precursor mixture comprises water, a silicate solution, a zeolite, and a CHA templating agent;
- wherein heating comprises heating such that the zeolite precursor mixture has a reaction temperature of from about 80° C. to about 120° C.;
- thereby forming a CHA zeolite and a mother liquor solution.
1 more element
Dependencies are inferred from the claim text.