	US 12,434,228 B1
	Catalyst for ethylbenzene dehydrogenation to form styrene
Nagendra Kulal, Dhahran (SA); Bassam Elali, Dhahran (SA); Ganapati Shanbhag, Bengaluru (IN); and Ziyauddin Qureshi, 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 Jun. 13, 2025, as Appl. No. 19/238,128.
Int. Cl. B01J 23/83 (2006.01); B01J 21/04 (2006.01); B01J 23/745 (2006.01); B01J 35/30 (2024.01); B01J 35/70 (2024.01); B01J 37/03 (2006.01); B01J 37/04 (2006.01); B01J 37/06 (2006.01); B01J 37/08 (2006.01); C07C 5/42 (2006.01)

CPC B01J 23/83 (2013.01) [B01J 21/04 (2013.01); B01J 23/745 (2013.01); B01J 35/394 (2024.01); B01J 35/733 (2024.01); B01J 37/035 (2013.01); B01J 37/04 (2013.01); B01J 37/06 (2013.01); B01J 37/088 (2013.01); C07C 5/42 (2013.01)]

20 Claims

1. A catalyst, comprising:

an alumina support;

GdFeO₃distributed on the alumina support; and

Fe₂O₃distributed on the alumina support,

wherein the GdFeO₃is in the form of an orthorhombic perovskite structure with a Pbnm space group, and the Fe₂O₃is in the form of γ-Fe₂O₃,

wherein the catalyst comprises 1-7 wt. % of Gd and 5-15 wt. % of Fe based on a total weight of the catalyst.