	US 12,291,496 B2
	Process and apparatus for the preparation of alkylene glycol
Jesse Raymond Black, Houston, TX (US); Peter Mervyn Wilkinson, Bangalore North (IN); Christopher Paul Emborsky, Houston, TX (US); Roel Guillaume Hubertus Leonardus Bastings, Amsterdam (NL); and Benedict Ignatius Maria Ten Bosch, Amsterdam (NL)
Assigned to SHELL USA, INC., Houston, TX (US)
Filed by SHELL USA, INC., Houston, TX (US)
Filed on Jun. 12, 2024, as Appl. No. 18/740,657.
Application 18/740,657 is a division of application No. 17/293,788, granted, now 12,054,450, previously published as PCT/EP2019/081815, filed on Nov. 19, 2019.
Claims priority of application No. 18207673 (EP), filed on Nov. 22, 2018.
Prior Publication US 2024/0400480 A1, Dec. 5, 2024
Int. Cl. C07C 29/10 (2006.01); B01D 3/00 (2006.01); B01D 3/20 (2006.01); B01D 3/32 (2006.01)

CPC C07C 29/106 (2013.01) [B01D 3/008 (2013.01); B01D 3/20 (2013.01); B01D 3/324 (2013.01)]

7 Claims

1. An absorber apparatus for the reactive absorption of a gas composition comprising alkylene oxide, alkene, oxygen, carbon dioxide and water vapour comprising an absorption section containing vertically stacked trays and a sump,

wherein the absorption section has

i. an inlet for liquid lean absorbent at the top of the absorption section,

ii. an inlet for the gas composition below the absorption section,

iii. a tray for collecting fat absorbent above the sump and

iv. an outlet for unabsorbed gas at the top of the absorption section; and

wherein the sump has

i. a sump inlet for fat absorbent from the absorption section and any liquid condensate,

ii. a sump outlet for fat absorbent, and

iii one or more baffles which are positioned in the sump to create a flow pathway that approximate plug flow between the sump inlet to the sump outlet between the one or more baffles.