Title:
METHOD AND APPARATUS FOR LOW-TEMPERATURE SEPARATION OF A GAS CONTAINING CO2 TO PRODUCE A CO2-RICH FLUID
Document Type and Number:
WIPO Patent Application WO/2023/222670
Kind Code:
A1
Abstract:
The invention relates to a method for the low-temperature separation of a gas containing CO2 in order to produce a CO2-rich fluid, in which method a gas containing CO2 and at least one component lighter than CO2 is compressed in a compressor (C1, C2, C3, C4) comprising at least two stages, the gas being cooled downstream of at least one of the stages in a cooler (R4) and by exchanging heat with air (CW) and then being cooled in a first heat exchanger (E), the gas cooled in the first heat exchanger is separated at low temperature by partial condensation and/or distillation in order to produce a fluid (9) rich in CO2 and depleted in the component lighter than CO2 and a gas (3) depleted in CO2 and enriched in the component lighter than CO2. The gas depleted in CO2 is first heated in the first heat exchanger and then in the cooler before being expanded in a turbine (T).
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Inventors:
MURINO MICHELE (FR)
GRANADOS LUDOVIC (FR)
BONIFACIO ABIGAIL (US)
GRANADOS LUDOVIC (FR)
BONIFACIO ABIGAIL (US)
Application Number:
PCT/EP2023/063084
Publication Date:
November 23, 2023
Filing Date:
May 16, 2023
Export Citation:
Assignee:
AIR LIQUIDE (FR)
International Classes:
F25J3/00
Domestic Patent References:
| WO2013135996A2 | 2013-09-19 | |||
| WO2008099357A1 | 2008-08-21 | |||
| WO2009070785A2 | 2009-06-04 |
Foreign References:
| US20090013868A1 | 2009-01-15 | |||
| US1992486A | 1935-02-26 |
Attorney, Agent or Firm:
MERCEY, Fiona (FR)
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