Patent ID: 9580329
Date: 2017-02-28
CPC Classifications: B01J,C01B

Claim:
1. A method of forming a material comprising a mesoporous zeolite, said method comprising: (a) contacting an initial large pore zeolite with a mesopore forming agent to thereby form a first treatment mixture comprising an agent-treated zeolite and said mesopore forming agent; (b) contacting said first treatment mixture with an acid to thereby form a second treatment mixture comprising an acid-treated zeolite, said acid, and said mesopore forming agent; and (c) contacting said acid-treated zeolite with a base to thereby form a base-treated zeolite having a greater 20 to 135 Å diameter mesopore volume than said initial zeolite, wherein said initial large pore zeolite has a framework silicon-to-aluminum ratio (“Si/Al”) of less than 2.5.