Title:
GAS-TREATING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/074976
Kind Code:
A1
Abstract:
A gas-treating device comprising: an absorbing device which receives an absorbing liquid and causes the absorbing liquid to absorb an acidic compound in a gas being treated; a stripping device into which the absorbing liquid having absorbed the acidic compound in the absorbing device is introduced; a heating unit which heats the absorbing liquid in the stripping device such that the acidic compound contained in the absorbing liquid is released from the absorbing liquid; and a multi-fluid heat exchanger which heats the absorbing liquid before the absorbing liquid is fed into the stripping device from the absorbing device, by means of a fluid containing the acidic compound released from the stripping device and by means of the absorbing liquid before the absorbing liquid is fed to the absorbing device from the stripping device.
Inventors:
MAEDA NORIHIDE
KISHIMOTO AKIRA
SHIGEHISA TAKUO
NAKANISHI KEN
SHIMIZU KUNIHIKO
KISHIMOTO AKIRA
SHIGEHISA TAKUO
NAKANISHI KEN
SHIMIZU KUNIHIKO
Application Number:
PCT/JP2021/032363
Publication Date:
April 14, 2022
Filing Date:
September 02, 2021
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
B01D53/14; B01D53/48; B01D53/50; B01D53/62; B01D53/78
Domestic Patent References:
| WO2013114936A1 | 2013-08-08 |
Foreign References:
| JP2014004525A | 2014-01-16 | |||
| JP2014004525A | 2014-01-16 |
Other References:
HIROSHI MACHIDA ET AL.: "Development of phase separation solvent for CO2 capture by aqueous (amine + ether) solution", J. CHEM. THERMODYNAMICS, vol. 113, 2017, pages 64 - 70
Attorney, Agent or Firm:
KOTANI, Masataka et al. (JP)
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