OXYGEN-ENHANCED CLAUS CARBON DIOXIDE RECOVERY

Processes and systems for oxygen-enhanced Claus carbon dioxide recovery are disclosed. Oxygen is fed to a sulfur recovery unit instead of air. The tail gas is fed to a tail gas treatment unit which produces a treated tail gas, and the treated tail gas is processed in a carbon dioxide recovery unit t...

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Bibliographische Detailangaben
Hauptverfasser: CHOW, Ryan Y.D, LI, Denny, ALJAZZAR, Ghaith, CHOW, Thomas K.T
Format: Patent
Sprache:eng
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Zusammenfassung:Processes and systems for oxygen-enhanced Claus carbon dioxide recovery are disclosed. Oxygen is fed to a sulfur recovery unit instead of air. The tail gas is fed to a tail gas treatment unit which produces a treated tail gas, and the treated tail gas is processed in a carbon dioxide recovery unit to produce a carbon dioxide product. A method for retrofitting an existing sulfur recovery unit and tail gas treatment unit so as to recover the carbon dioxide product is also disclosed.