F - Mech Eng,Light,Heat,Weapons – 25 – J
Patent
F - Mech Eng,Light,Heat,Weapons
25
J
F25J 3/04 (2006.01) B01D 53/04 (2006.01) B01D 53/047 (2006.01) F25J 3/08 (2006.01)
Patent
CA 2298125
The invention relates to a plant and to a process for the purification and cryogenic separation of air containing impurities, which process is carried out according to the steps of (a) compressing the air; (b) introducing the air compressed in step (a) into one or more adsorption vessels containing particles of adsorbent without, beforehand, precooling the air; (c) adsorbing the impurities (CO2, H2O, NO x, SO x, etc.) contained in the air on the particles of adsorbent at room temperature and at a pressure of at least 11.4 bar, preferably ranging from 20.1 to 40 bar; (d) cooling the air purified in step (c) down to a cryogenic temperature; and (e) cryogenically distilling the cooled air in order to produce nitrogen, oxygen, argon or mixtures thereof.
Fraysse Philippe
Guillard Alain
Kraus Georges
Le Bot Patrick
L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Proced Es Geo
L'air Liquide Societe Anonyme A. Directoire Et Conseil de Survei
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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