A PROCESS FOR THE REMOVEL OF CO2 FROM A GASEOUS STREAM CONTAINING CO2

A PROCESS FOR THE REMOVEL OF CO2 FROM A GASEOUS STREAM CONTAINING CO2

The present invention relates to an absorption composition comprising an alkali metal salt or hydroxide and either N-secondary butyl glycine or a specific mixture of sterically hindered monosubsituted alpha-amino acids and tertiary amino acids. The preferred promoter system comprises a mixture of N-...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SARTORI GUIDO, THALER WARREN ALAN
Format: Patent
Sprache:eng
Schlagworte:
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:The present invention relates to an absorption composition comprising an alkali metal salt or hydroxide and either N-secondary butyl glycine or a specific mixture of sterically hindered monosubsituted alpha-amino acids and tertiary amino acids. The preferred promoter system comprises a mixture of N-secondary butyl glycine and N-methyl-N-secondary butyl glycine. This composition can be used for the removal of acid gas from a gaseous stream by contact herewith followed by desorption of acid gas from the absorption composition.