Title:
ACIDIC GAS REMOVING AGENT, ACIDIC GAS REMOVING METHOD, ABSORPTION DEVICE PROVIDED WITH ACIDIC GAS REMOVING AGENT, AND ACIDIC GAS CLEANING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/062993
Kind Code:
A1
Abstract:
The present invention provides: an acidic gas removing agent which has small fluctuations in the carbon dioxide absorption even in the coexistence of water when carbon dioxide is removed from a gas; an acidic gas removing method; an absorption device which is provided with an acidic gas removing agent; and an acidic gas cleaning device. The present invention uses an acidic gas removing agent which contains one or more substances that are selected from among hydroxyl group-containing compounds having a number-average molecular weight of 500 or more and derivatives of the hydroxyl group-containing compounds.
Inventors:
KOGUCHI RYOHEI (JP)
SUZUKI TOYOKAZU (JP)
FUJISAKI SHOGO (JP)
ARAI TAKEAKI (JP)
SUZUKI CHITOSHI (JP)
SUZUKI TOYOKAZU (JP)
FUJISAKI SHOGO (JP)
ARAI TAKEAKI (JP)
SUZUKI CHITOSHI (JP)
Application Number:
PCT/JP2022/033938
Publication Date:
April 20, 2023
Filing Date:
September 09, 2022
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
B01D53/14; B01D53/18; B01D53/62; B01D53/78; C08G63/12; C08G64/00; C08G65/04; C08G65/08
Domestic Patent References:
| WO2003062301A1 | 2003-07-31 | |||
| WO2004067633A1 | 2004-08-12 | |||
| WO2013065802A1 | 2013-05-10 |
Foreign References:
| US20190143260A1 | 2019-05-16 | |||
| US20180043300A1 | 2018-02-15 | |||
| JP2010248052A | 2010-11-04 | |||
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| JP2010126591A | 2010-06-10 | |||
| JPH02289616A | 1990-11-29 | |||
| JPH04239023A | 1992-08-26 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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