Other

Mitsubishi Heavy Industries Limited

The Kansai Electric Power Co., Inc.

Takashi Nojo

Takuya Hirata

Hiroshi Tanaka

Tomio Mimura

Kazuo Ishida

Hiroshi Nakashoji

Ryuji Yoshiyama

Kenji Iwasaki

Naoyuki Yoshizumi

Hiroshi Ohira

An amine recovery apparatus includes a carbon dioxide absorption section and plural water washing sections. The carbon dioxide absorption section brings the exhaust gas into vapor-liquid contact with an absorbing solution containing an amine compound and produces decarbonated exhaust gas. The water washing sections bring the decarbonated exhaust gas into vapor-liquid contact with washing water and sequentially recover the amine compound accompanying the decarbonated exhaust gas, while the decarbonated exhaust gas passes through the water washing sections in sequence from inlet portions to outlet portions thereof, respectively. The water washing sections have plural liquid reservoirs provided at the inlet portions of the water washing sections, respectively, and the liquid reservoirs reserve the washing water which is transported to the outlet portions of the water washing sections and supplied to the water washing sections, respectively.

Amine recovery apparatus and decarbonation apparatus having same

In a decarbonation process for removing carbon dioxide from a carbon dioxide-containing gas with the use of an amine compound-containing absorbing solution, an amine compound accompanying a decarbonated exhaust gas is efficiently recovered in the following manner: A water washing section is constituted in two stages, a first-stage water washing section and a second-stage water washing section . In these water washing sections, recovery of the amine compound accompanying the decarbonated exhaust gas is performed sequentially. Regeneration tower refluxed water is supplied as washing water to the second-stage water washing section . Washing water is withdrawn from the second-stage water washing section and supplied to the first-stage water washing section . Demisters and are provided at outlets of a carbon dioxide absorption section , the first-stage water washing section and the second-stage water washing section . An absorbing solution mist and a washing water mist accompanying the decarbonated exhaust gas are removed by these demisters.

Amine recovery method and apparatus and decarbonation apparatus having same

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Osaka, Japan

Takashi Nojo