Process and apparatus for recovering inert gas

Details Process and apparatus for recovering inert gas Process and apparatus for recovering inert gas

1985-02-08

1986-11-18

Lacey, David L.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Organic component

423262, 422171, 422172, 422190, B01D 5336

Patent

active

046235248

ABSTRACT:
A process and apparatus for recovering a high-purity inert gas by removing the impurities in a used inert gas (e.g., Ar), comprising a combustible component reaction step and reaction unit for adding oxygen to a raw gas containing a carbonaceous combustible component to thereby react the combustible component in said raw gas with the oxygen; a carbon dioxide gas removing step and removing unit for removing the carbon dioxide in the raw gas sent from said combustible component reaction unit; an oxygen reaction step and reaction unit for adding hydrogen to the raw gas after the carbon dioxide gas removal to react the oxygen remaining in said raw gas with the hydrogen; a moisture removing step and removing unit for removing the moisture in the raw gas sent from the oxygen reaction unit; and a refining step and refining unit for removing the remaining impurities from the raw gas after the moisture removal to recover a high-purity inert gas.

REFERENCES:
patent: 3061403 (1962-10-01), Rendos
patent: 3469934 (1969-09-01), Bocard et al.
patent: 3767563 (1973-10-01), Woodle

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