Gas separation process

Details Gas separation process Gas separation process

1992-05-05

1993-11-02

Spitzer, Robert

Gas separation: processes

Solid sorption

Including reduction of pressure

95122, 95116, B01D 5304

Patent

active

052580598

ABSTRACT:
Separation process of gaseous impurities from hydrogen gas by the known pressure swing adsorption method uses a holding column of the feed-in/feed-out sequence retaining type and at least three adsorption columns containing adsorbents. Each adsorption column is pressurized and depressurized in cycle to repeat adsorption and desorption, during which the holding column is used as an intermediate gas reservoir so that the efficiency of the separation of the impurity can be improved. In this invention, at least one of the following structures is used as the holding column:

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Derwent Abstract of Japanese Patent No. 62-47051.

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