公开(公告)号：EP4417296A1

公开(公告)日：2024-08-21

申请号：EP22880689.9

申请日：2022-09-09

申请人： AGC INC.

发明人： KOGUCHI, Ryohei ,  SUZUKI, Toyokazu ,  FUJISAKI, Shogo ,  ARAI, Takeaki ,  SUZUKI, Chitoshi

IPC分类号： B01D53/14 ,  B01D53/18 ,  B01D53/62 ,  B01D53/78 ,  C08G63/12 ,  C08G64/00 ,  C08G65/04 ,  C08G65/08

CPC分类号： Y02C20/40 ,  B01D53/14 ,  B01D53/18 ,  B01D53/62 ,  B01D53/78 ,  C08G63/12 ,  C08G64/00 ,  C08G65/08 ,  C08G65/04

摘要： Provided are, an acidic gas removing agent with smaller variation in amounts of carbon dioxide absorption even in the coexistence of water in removing carbon dioxide in a gas; an acidic gas removing method; an absorption device provided with the acidic gas removing agent; and an acidic gas cleaning device. Used is an acidic gas removing agent comprising one or more selected from the group consisting of a hydroxy group-containing compound having a number-average molecular weight of 500 or more and a derivative of the hydroxy group-containing compound.