Durability and Fire-Hazardous-Risk Evaluation of Unique Phase Separation Solvent Using High-Boiling Amine and Ether

12 Pages Posted: 13 Apr 2021

See all articles by Norihide Maeda

Norihide Maeda

Kobe Steel, Ltd.

Akira Kishimoto

Kobe Steel, Ltd.

Hiroshi Machida

Nagoya University

Tsuyoshi Yamaguchi

Nagoya University

Keiichi Yanase

Nagoya University - Graduate School of Engineering

Koyo Norinaga

Nagoya University - Graduate School of Engineering

Date Written: April 7, 2021

Abstract

Durability and fire hazard risk evaluation were conducted to determine the process feasibility on the unique phase separation solvent with low regeneration temperature (90 °C), consisting of amine, ether, and small amount of water. The results we obtained are as follows; I) The amine degradation rate of the phase separation solvent would be less than 1/10 of that of monoethanolamine (MEA), which was contributed by its high oxidative resistant nature and low regeneration temperature. II) The gas composition formed in the absorber was completely out of combustible range and almost no accumulations of explosive compounds such as peroxides were observed when in contact with 6 % oxygen containing gas (dry base). Therefore, we believe that the phase separation solvent is applicable to the treatment of exhaust gas from coal-fired thermal power plants.

Keywords: CO2 capture, durability, fire hazard risk, energy-saving, phase separation, amine and ether solution

JEL Classification: Q54, Q55

Suggested Citation

Maeda, Norihide and Kishimoto, Akira and Machida, Hiroshi and Yamaguchi, Tsuyoshi and Yanase, Keiichi and Norinaga, Koyo, Durability and Fire-Hazardous-Risk Evaluation of Unique Phase Separation Solvent Using High-Boiling Amine and Ether (April 7, 2021). Proceedings of the 15th Greenhouse Gas Control Technologies Conference 15-18 March 2021, Available at SSRN: https://ssrn.com/abstract=3821366 or http://dx.doi.org/10.2139/ssrn.3821366

Norihide Maeda (Contact Author)

Kobe Steel, Ltd. ( email )

1-5-5 Takatsukadai
Nishi-ku
Kobe-shi, Hyogo 651-2271
Japan

Akira Kishimoto

Kobe Steel, Ltd. ( email )

1-5-5 Takatsukadai
Nishi-ku
Kobe-shi, Hyogo 651-2271
Japan

Hiroshi Machida

Nagoya University

Tsuyoshi Yamaguchi

Nagoya University

Furo-cho, Chikusa-ku
Nagoya-City, 4648601
Japan

Keiichi Yanase

Nagoya University - Graduate School of Engineering ( email )

Furo-cho, Chikusa-ku
Nagoya-City, 4648601
Japan

Koyo Norinaga

Nagoya University - Graduate School of Engineering

Furo-cho, Chikusa-ku
Nagoya-City, 4648601
Japan

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