Reactivation of spent alkanolamine

Details Reactivation of spent alkanolamine Reactivation of spent alkanolamine

1990-08-06

1991-09-03

Raymond, Richard L.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423229, 210669, 210685, 210686, 564497, C01B 3120, C07C20984, C02F 142, B01D 1504

Patent

active

050452916

ABSTRACT:
Aqueous alkanolamine solution containing alkali metal salts of anions which form heat stable salts with such alkanolamine is reactivated by contacting the solution sequentially with a basic anion exchange resin to remove such anions and an acidic cation ion exchange resin to remove alkali metal ions.

REFERENCES:
patent: 2797188 (1957-06-01), Taylor, Jr. et al.
patent: 3428684 (1969-02-01), Tindall
patent: 3546298 (1970-12-01), Tindall
patent: 4113849 (1978-09-01), Atwood
patent: 4180655 (1979-12-01), Suami et al.
patent: 4477419 (1984-10-01), Pearce et al.

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