Split-flow regeneration in absorptive air separation

Details Split-flow regeneration in absorptive air separation Split-flow regeneration in absorptive air separation

1986-12-29

1987-11-24

Doll, John

Chemistry of inorganic compounds

Oxygen or compound thereof

4232105, 423219, C01B 1300

Patent

active

047088605

ABSTRACT:
A chemical absorptive separation of air in multiple stage of absorption and desorption is performed with partial recycle of absorbent between stages of desorption necessary to match equilibrium conditions in the various stages of absorption. This allows reduced absorbent flow, reduced energy demand and reduced capital costs.

REFERENCES:
patent: 4132766 (1979-01-01), Erickson
patent: 4287170 (1981-09-01), Erickson
patent: 4340578 (1982-07-01), Erickson
patent: 4521398 (1985-06-01), Erickson
patent: 4526775 (1985-07-01), Cassano
patent: 4529577 (1985-07-01), Chen et al.
patent: 4565685 (1986-01-01), Cassano

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