MAINTAINING LOWERED CO IN A CO2 PRODUCT STREAM IN A PROCESS FOR TREATING SYNTHESIS GAS

MAINTAINING LOWERED CO IN A CO2 PRODUCT STREAM IN A PROCESS FOR TREATING SYNTHESIS GAS

The invention involves a process for maintaining a low level of carbon monoxide in a carbon dioxide product stream and also for keeping the carbon monoxide out of the fully shifted synthesis gas. The overall process is a process for treating both fully shifted and partially shifted or unshifted synt...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LECHNICK, WILLIAM J, BRESLER, LEONID, PALLA, NAGARAJU
Format: Patent
Sprache:eng ; fre
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:The invention involves a process for maintaining a low level of carbon monoxide in a carbon dioxide product stream and also for keeping the carbon monoxide out of the fully shifted synthesis gas. The overall process is a process for treating both fully shifted and partially shifted or unshifted synthesis gas. The carbon monoxide is separately removed by a carbon monoxide stripping column and returned to the partially shifted or unshifted synthesis gas which can then undergo a shift reaction to convert the carbon monoxide to carbon dioxide.