Regeneration of caustic solutions

Details Regeneration of caustic solutions Regeneration of caustic solutions

2002-02-22

2009-08-25

Neckel, Alexa D (Department: 1795)

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkali metal

C423S182000, C502S025000, C208S235000, C422S129000

Reexamination Certificate

active

07578984

ABSTRACT:
A caustic recovery system comprising an oxygen source adapted to provide a gas stream comprising at least 30% oxygen. A method of regenerating caustic comprising intermingling spent caustic with a gas stream comprising at least 30% oxygen.

REFERENCES:
patent: 2425414 (1947-08-01), Bond
patent: 2859177 (1958-11-01), Rippie et al.
patent: 4080287 (1978-03-01), Conway et al.
patent: 4684703 (1987-08-01), Wagner et al.
patent: 6387348 (2002-05-01), Ferrell et al.

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