Title:
CARBON DIOXIDE RECOVERY FACILITY AND CARBON DIOXIDE RECOVERY METHOD
Document Type and Number:
WIPO Patent Application WO/2023/188541
Kind Code:
A1
Abstract:
This carbon dioxide recovery facility is provided with: an adsorption tower inside of which is filled with a carbon dioxide adsorption material; a suction machine for vacuum-sucking the inside of the adsorption tower; a discharge line connected to a discharge port of the suction machine; a carbon dioxide recovery line connected to the discharge line; a recovery gas valve provided to the carbon dioxide recovery line; a non-recovery gas line connected to the discharge line; a non-recovery gas valve provided to the non-recovery gas line; and a control device. The control device: closes the recovery gas valve and opens the non-recovery gas valve when the pressure inside the adsorption tower is in low vacuum based on a predetermined recovery pressure; and closes the non-recovery gas valve and opens the recovery gas valve when the pressure inside the adsorption tower is in high vacuum based on the recovery pressure.
Inventors:
TOMONAGA NARIYUKI (JP)
ITO YOSHIAKI (JP)
ANKEI NAOKI (JP)
ITO YOSHIAKI (JP)
ANKEI NAOKI (JP)
Application Number:
PCT/JP2022/044382
Publication Date:
October 05, 2023
Filing Date:
December 01, 2022
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
B01D53/047; B01D53/62; B01D53/82
Foreign References:
| JPS6434422A | 1989-02-03 | |||
| JP2003001061A | 2003-01-07 | |||
| JP2021133285A | 2021-09-13 | |||
| JP2016040025A | 2016-03-24 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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