ABSORPTION MEDIA FOR SCRUBBING CO2 FROM A GAS STREAM AND METHODS USING THE SAME

Absorption media for separating acidic gases such as C02 from a gas stream are disclosed. In some embodiments, the Absorption media include a solution of water, at least piperazine or a derivative of piperazine, and at least one alkali ion. The at least one alkali ion may be potassium. Methods and a...

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Bibliographische Detailangaben
Hauptverfasser:	ALIX, FRANCIS R, DUNCAN, JOANNA, MCLARNON, CHRISTOPHER, AMOS, WADE
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSEGASES [GHG] GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING
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Beschreibung
Zusammenfassung:	Absorption media for separating acidic gases such as C02 from a gas stream are disclosed. In some embodiments, the Absorption media include a solution of water, at least piperazine or a derivative of piperazine, and at least one alkali ion. The at least one alkali ion may be potassium. Methods and apparatus for separating acidic gases from a gas stream using such absorption media are also disclosed. L'invention concerne des milieux d'absorption servant à séparer les gaz acides, comme le CO2, d'un courant gazeux. Dans certains modes de réalisation, les milieux d'absorption comprennent une solution contenant de l'eau, au moins une pipérazine ou un dérivé de pipérazine et au moins un ion alcalin. L'ion alcalin peut être le magnésium. L'invention concerne également des procédés et des appareils pour séparer les gaz acides d'un courant gazeux au moyen de tels milieux d'absorption.