	US 11,851,336 B2
	Method of dealuminating aluminum-containing materials
Robert P. Hodgkins, Dhahran (SA); and Omer Refa Koseoglu, Dhahran (SA)
Assigned to SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed by Saudi Arabian Oil Company, Dhahran (SA)
Filed on Apr. 18, 2022, as Appl. No. 17/722,485.
Prior Publication US 2023/0331564 A1, Oct. 19, 2023
Int. Cl. C01B 39/02 (2006.01)

CPC C01B 39/026 (2013.01) [C01P 2002/86 (2013.01)]

20 Claims

1. A method for dealuminating an aluminum-containing material including an aluminum-containing inorganic oxide or an aluminum-based metal organic framework material, the method comprising contacting the aluminum-containing material with an acid medium comprising one or more water-soluble oxidized disulfide oil (ODSO) compounds, and recovering a dealuminated material.