Research Institute of Innovative Technology for the Earth

Nippon Steel Corporation

Nippon Steel Sumitomo Metal Corporation

Firoz Alam Chowdhury

Yoichi Matsuzaki

Masami Onoda

Kazuya Goto

Katsunori Yogo

Hidetaka Yamada

Shinkichi Shimizu

Hiromichi Okabe

Tsuguhiro Kato

Takayuki Higashii

Disclosed is an absorbing liquid for separating and capturing carbon dioxide from a carbon dioxide-containing gas, the absorbing liquid containing: at least one alkanolamine represented by formula (1) wherein Rrepresents hydrogen or Calkyl, Rand Rare identical or different and each represent hydrogen or Calkyl, R, R, and Rare not all hydrogen, and n is 1 or 2; a low-molecular-weight diol compound and/or glycerin; and water.

Absorbing solution for separating and capturing carbon dioxide, and method for separating and capturing carbon dioxide in which same is used

Disclosed are a carbon dioxide separating material comprising a polyamine carrier in which a polyamine having at least two isopropyl groups on one or more of the nitrogen atoms is loaded on a support, and a method for separating or recovering carbon dioxide using the carbon dioxide separating material.

Carbon dioxide separating material and method for separation or recovery of carbon dioxide

Disclosed is an aqueous solution for absorbing and recovering carbon dioxide from a carbon dioxide-containing gas, the aqueous solution containing an amino alcohol compound represented by Formula 1 and an amine compound represented by Formula 2,  

Aqueous solution which efficiently absorbs and recovers carbon dioxide in exhaust gas, and method for recovering carbon dioxide using same

Disclosed is a method for recovering carbon dioxide from a gas containing carbon dioxide, comprising the step (1) of bringing a gas containing carbon dioxide into contact with an aqueous solution containing 2-isopropylaminoethanol and at least one substance selected from the group consisting of piperazines and alkanolamines to absorb carbon dioxide into the aqueous solution; and the step (2) of heating the aqueous solution containing carbon dioxide absorbed therein, which is obtained in the step (1), to separate and recover carbon dioxide from the solution.

Method for efficiently recovering carbon dioxide in gas

Growing community of inventors

Kyoto, Japan

Firoz Alam Chowdhury