Regeneration of used alkanolamine solutions

Details Regeneration of used alkanolamine solutions Regeneration of used alkanolamine solutions

1990-05-21

1992-08-11

Lewis, Michael

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423228, 564497, 210757, B01D 5314, C07C20984

Patent

active

051377020

ABSTRACT:
A method is disclosed for regenerating spent alkanolamine solutions containing diethanolamine, to restore their acid gas sorption capacity by converting diethanolamine degradation products to the diethanolamine precursor while avoiding substantial thermal decomposition of diethanolamine.

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Kennard, M. L.; Meisen, A. "Control DEA Degradation" Hydrocarbon Processing, Apr. 1980, pp. 103-106.
Astarita, G.; Savage, D. W.; Bisio, A. "Gas Treating with Chemical Solvents" Wiley: New York (1984), pp. 439-442.
Meisen & Kennard "DEA Degradation Mechanism", Hydrocarbon Processing, Oct. 1982, pp. 105-108.

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