US 11,833,485 B2
Azole-functionalized silica adsorbent
Khalid Alhooshani, Dhahran (SA); and Abdulkadir Tanimu, Dhahran (SA)
Assigned to KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, Dhahran (SA)
Filed by KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, Dhahran (SA)
Filed on Mar. 30, 2022, as Appl. No. 17/708,582.
Application 17/708,582 is a continuation of application No. 16/296,480, filed on Mar. 8, 2019, granted, now 11,305,259.
Prior Publication US 2022/0219143 A1, Jul. 14, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B01J 20/32 (2006.01); B01J 20/10 (2006.01); B01J 20/28 (2006.01)
CPC B01J 20/3255 (2013.01) [B01J 20/103 (2013.01); B01J 20/28061 (2013.01); B01J 20/28071 (2013.01); B01J 20/28073 (2013.01); B01J 20/28083 (2013.01); B01J 20/3236 (2013.01); B01J 2220/46 (2013.01)] 7 Claims
 
1. An azole functionalized silica sorbent comprising:
porous silica nanoparticles having a surface functionalized with a 4-phenyl-1,2,3-triazole conjugated system attached by an undecyl group,
and
wherein the porous silica nanoparticles have an average particle size of 10-80 nm.