PROCESS AND APPARATUS FOR SEPARATING A FEED STREAM COMPRISING AT LEAST CO2 AND ALSO AT LEAST ONE LIGHT COMPOUND

PROCESS AND APPARATUS FOR SEPARATING A FEED STREAM COMPRISING AT LEAST CO2 AND ALSO AT LEAST ONE LIGHT COMPOUND

In a process for separating a feed stream (1) comprising at least CO2 and also at least one light compound, a CO2-rich product (9) and a CO2-depleted gas (11) are produced via a process of partial condensation and optionally of distillation using at least one first phase separation pot (7, 10, 22),...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TERRIEN Paul, LECLERC Mathieu, KHAN Oumar
Format: Patent
Sprache:eng
Schlagworte:
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:In a process for separating a feed stream (1) comprising at least CO2 and also at least one light compound, a CO2-rich product (9) and a CO2-depleted gas (11) are produced via a process of partial condensation and optionally of distillation using at least one first phase separation pot (7, 10, 22), CO2-depleted gas is introduced into a CO2-selective separation process (15) in order to obtain a first fluid (19) whose CO2 concentration is higher than that of the feed stream and a fluid (17) enriched in at least one of the light compounds, and a second CO2-rich product (27) and a second CO2-depleted gas (25) are produced from the CO2-charged first fluid, using a second phase separation pot (23) different from the first phase separation pot. The most suitable drawing: Fig. 1.