Process for the production of high purity argon

Details Process for the production of high purity argon Process for the production of high purity argon

1987-03-30

1989-05-30

Stoll, Robert L.

Chemistry of inorganic compounds

Inert or noble gas or compound thereof

55 66, C01B 2300

Patent

active

048349569

ABSTRACT:
The present invention is a process for producing a high-purity argon stream from a feed gas containing nitrogen, oxygen and at least 85 mole % argon, Nitrogen is absorbed from the stream followed by catalytic hydrogenation to remove oxygen. The absorption column is regenerated at a preset low pressure using the nitrogen-depleted stream from the absorption unit as the purge gas.

REFERENCES:
patent: 4144038 (1979-03-01), Armond
patent: 4477265 (1984-10-01), Kumar et al.

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