US 11,859,140 B2
Integrated hydrotreating and hydrocracking with continuous hydrotreating catalyst regeneration
Lianhui Ding, Dhahran (SA); Zhonglin Zhang, Dhahran (SA); Saad A. Al-Bogami, Dhahran (SA); and Sameer A. Al-Ghamdi, Dhahran (SA)
Assigned to Saudi Arabian Oil Company, Dhahran (SA)
Filed by Saudi Arabian Oil Company, Dhahran (SA)
Filed on Feb. 2, 2022, as Appl. No. 17/590,937.
Prior Publication US 2023/0242824 A1, Aug. 3, 2023
Int. Cl. C10G 65/12 (2006.01); C10G 47/28 (2006.01); B01J 37/20 (2006.01); B01J 38/02 (2006.01); B01J 23/94 (2006.01); B01J 23/883 (2006.01); B01J 23/888 (2006.01)
CPC C10G 65/12 (2013.01) [B01J 23/883 (2013.01); B01J 23/888 (2013.01); B01J 23/94 (2013.01); B01J 37/20 (2013.01); B01J 38/02 (2013.01); C10G 47/28 (2013.01); C10G 2300/4081 (2013.01); C10G 2300/4093 (2013.01); C10G 2300/70 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An integrated hydrotreating and hydrocracking process comprising:
contacting a hydrocarbon oil stream with a hydrogen stream and a hydrotreating catalyst in a moving-bed hydrotreating reactor to hydrotreat the hydrocarbon oil stream, thereby producing a hydrotreated hydrocarbon product stream and a spent hydrotreating catalyst;
contacting the hydrotreated hydrocarbon product stream with a second hydrogen stream and a hydrocracking catalyst in a hydrocracking reactor to crack the hydrotreated hydrocarbon oil stream, thereby producing a hydrocracked hydrocarbon product stream;
processing the spent hydrotreating catalyst to produce regenerated hydrotreating catalyst; and
recycling the regenerated hydrotreating catalyst to the moving-bed hydrotreating reactor.