US 12,434,213 B2
Reactor tube assembly
John Joseph Anderson, Mount Vernon, IN (US); and Subramanian Brahmadathan Swernath, Bengaluru Karnataka (IN)
Assigned to SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom (NL)
Appl. No. 17/640,024
Filed by SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom (NL)
PCT Filed Sep. 16, 2020, PCT No. PCT/EP2020/075797
§ 371(c)(1), (2) Date Mar. 3, 2022,
PCT Pub. No. WO2021/052978, PCT Pub. Date Mar. 25, 2021.
Claims priority of application No. 19198513 (EP), filed on Sep. 20, 2019.
Prior Publication US 2022/0314182 A1, Oct. 6, 2022
Int. Cl. B01J 8/06 (2006.01); B01J 8/02 (2006.01); C01B 32/80 (2017.01)
CPC B01J 8/065 (2013.01) [B01J 8/0292 (2013.01); C01B 32/80 (2017.08)] 17 Claims
OG exemplary drawing
 
1. A reactor tube assembly comprising
a reactor tube having a tube length and an inner surface,
at least two tubular inserts each having an insert length and comprising i) a shell having an exterior portion at least partially contacting the inner surface of the reactor tube,
ii) at least one fin projecting from the shell in a radial direction towards a center of said insert,
wherein the inserts are positioned in the tube in a stacked manner such that the fins of the at least two inserts are offset in a longitudinal direction
a particulate catalyst in contact with at least the shell and the fins of the inserts.