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Patent Searching and Data


Title:
METHOD FOR RESTARTING AN AIR SEPARATION UNIT
Document Type and Number:
WIPO Patent Application WO/2022/136088
Kind Code:
A1
Abstract:
The invention relates to a method for restarting an air separation unit comprising a system of columns (K1, K2) including at least a first distillation column (K1) and a heat exchanger (3) positioned below the first column with its main axis vertical and with its cold end adjacent to the bottom of the first column, in which, during the restart, air is sent to the exchanger and at least one portion (5) of the cooled air is sent in gaseous form to the atmosphere.

Inventors:
DAVIDIAN BENOIT (FR)
PEYRON JEAN-MARC (FR)
Application Number:
PCT/EP2021/086108
Publication Date:
June 30, 2022
Filing Date:
December 16, 2021
Export Citation:
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Assignee:
AIR LIQUIDE (FR)
International Classes:
F25J3/04
Domestic Patent References:
WO2019126927A12019-07-04
WO2019126927A12019-07-04
Foreign References:
CN201173660Y2008-12-31
US20190049177A12019-02-14
FR2831249A12003-04-25
JPH07218121A1995-08-18
Attorney, Agent or Firm:
MERCEY, Fiona (FR)
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