1
Divyanshu R Acharya, Satish S Tamhankar: Process and apparatus for the separation of gases. The BOC Group, Coleman R Reap, Salvatore P Pace, September 30, 1997: US05672196 (20 worldwide citation)

Hydrocarbon gas is separated from a gas mixture by concentration swing adsorption in a system consisting of a pair of adjacent adsorption beds that are contained in a cylindrical vessel and separated by a flat partition wall. The system is operated with the beds out of phase, such that one bed is in ...


2
Process and apparatus for the separation of gases. Ritter Eng, February 4, 1976: GB1423665-A

1423665 Separating gases by absorption RITTER ENG Ltd 18 Sept 1973 [28 Sept 1972] 43774/73 Heading B1L An apparatus for separating gas mixtures using a selective absorption process has a chamber(s) 204A containing absorbent and primary (202A and 203A) and secondary (204A and 205A) combinations of in ...