Synthesis method of multi-stage pore zeolite for catalytic cracking

Mansour Ali Al-Herz (Inventor), Musaed Salem Al-Ghrami (Inventor), Mohammed Abdul Bari Abdul Bari Siddiqui (Inventor), Mian Saeed (Inventor), Rabindran Balasamy (Inventor)

Research output: Patent

Abstract

The present invention provides zirconium-substituted multi-stage pore zeolite compositions and methods of making such catalytic compositions. One such method includes subjecting a zirconium-substituted zeolite to a framework modification process using a single templating agent to produce a framework-modified zeolite, followed by an ion exchange process on the framework-modified zeolite to produce a multi-stage pore zeolite composition. The invention also provides methods for catalytic cracking of hydrocarbon feedstocks using these zirconium-substituted multi-stage pore zeolite compositions.
Original languageEnglish
Patent numberCN112638525B
StatePublished - 2023

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