Title:
酸性ガス吸収剤、酸性ガスの除去方法および酸性ガス除去装置
Document Type and Number:
Japanese Patent JP7185421
Kind Code:
B2
Abstract:
An acidic gas absorbent contains an amine compound of formula (1) and a cyclic amino compound of formula (2) or (3):where in the formulas, each R1 is independently a straight-chain hydroxyalkyl having a hydroxy at the terminal, R2 is a branched-chain secondary alkyl group, R3 and R4 are hydrogen, hydroxy, a hydroxyalkyl or aminoalkyl, provided that at least one of R3 and R4s is a hydroxyalkyl or aminoalkyl, each p is independently an integer of 2 to 4, each R5 is independently hydrogen, hydroxy, or a hydroxyalkyl or aminoalkyl, provided that at least one of R5s is a hydroxyalkyl or aminoalkyl, and q is an integer of 3 to 8.
Inventors:
Shinji Murai
Yasuhiro Kato
Akiko Suzuki
Udatsu Mitsuru
Yasuhiro Kato
Akiko Suzuki
Udatsu Mitsuru
Application Number:
JP2018100707A
Publication Date:
December 07, 2022
Filing Date:
May 25, 2018
Export Citation:
Assignee:
Toshiba Corporation
Toshiba Energy Systems Co., Ltd.
Toshiba Energy Systems Co., Ltd.
International Classes:
B01D53/14; B01D53/18; B01D53/52; B01D53/62; B01D53/78; B01D53/96; C07D205/04; C07D207/08; C07D207/09; C07D211/22; C07D295/088; C10K1/14
Domestic Patent References:
| JP2007325996A | ||||
| JP61136421A |
Foreign References:
| US20170072361 |
Attorney, Agent or Firm:
Nakamura Yukitaka
Takeshi Sekine
Maekawa Hideaki
Takeshi Sekine
Maekawa Hideaki