Absorption medium and deacidification of fluid streams

Details Absorption medium and deacidification of fluid streams Absorption medium and deacidification of fluid streams

2005-03-08

2010-02-23

Johnson, Edward M (Department: 1793)

Catalyst, solid sorbent, or support therefor: product or process

Solid sorbent

Organic

C423S229000

Reexamination Certificate

active

07666813

ABSTRACT:
An absorption medium for deacidifying fluid streams which has improved oxidation stability includes at least one aliphatic amine, and at least one non-hydroquinoid antioxidant. The absorption medium may be employed in deacidifying a fluid stream, in particular an oxygen-containing fluid stream, when the fluid stream is brought into intimate contact with the absorption medium in at least one absorption step.

REFERENCES:
patent: 3137654 (1964-06-01), Johnson et al.
patent: 4217238 (1980-08-01), Sartori et al.
patent: 4440731 (1984-04-01), Pearce
patent: 4483833 (1984-11-01), Stogryn et al.
patent: 5618506 (1997-04-01), Suzuki et al.
patent: 3714209 (1987-10-01), None

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