Patent ID: 9283516
Filing Date: 2016-03-15
CPC Classification: B01D

Claim Text:
1. A method of assembly of a column structure for containment of packing material and absorbent liquid reagent for removal of a target gas from a gas stream comprising: providing at least one vessel module each comprising a plurality of sub-modules configured to be assembled together and having an elongate upright structure, and providing a column top support structure; assembling multiple such pluralities of sub-modules together in elongate array to form multiple elongated vessel modules; arranging the vessel modules together alongside one another to constitute collectively said column structure such that the vessel modules collectively comprise a columnar vessel assembly; supporting each vessel module mechanically in a vicinity of an upper part of the column structure so assembled via the top support structure, wherein each vessel module is assembled by assembly of each of its plurality of constituent sub-modules successively from a top downwards.