Refrigeration – Cryogenic treatment of gas or gas mixture – Separation of gas mixture
Patent
1996-06-10
1997-05-27
Kilner, Christopher
Refrigeration
Cryogenic treatment of gas or gas mixture
Separation of gas mixture
62908, 62920, F25B 300
Patent
active
056321627
ABSTRACT:
The plant comprises an adsorbent-filled tank (8) permanently interposed in the line (2), between the purification unit (3), operating by adsorption of solidifiable impurities from the gas mixture (5) containing carbon monoxide, and the cryogenic separation unit which delivers pure carbon monoxide at its outlet (6). The adsorbent in the tank (8), advantageously the same as the adsorbent in the adsorbers (4A, 4B) of the purification unit (3), has an affinity for carbon monoxide, thus making it possible to reduce the cyclic variations in the carbon monoxide production delivery rate which results from the cyclic operation of the adsorbers (4A, 4B) of the separation unit (3).
REFERENCES:
patent: 3340695 (1967-09-01), Ichihara
patent: 3355859 (1967-12-01), Karwat
patent: 3421984 (1969-01-01), Jensen et al.
patent: 3534562 (1970-10-01), Thijssen
patent: 4891950 (1990-01-01), Seufert et al.
patent: 5069038 (1991-12-01), Peinze
patent: 5351491 (1994-10-01), Fabian
Kilner Christopher
L'Air Liquide Societe Anonyme Pour l'Etude et, l'Exploitation de
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