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1. CA2559744 - CO2 RECOVERY SYSTEM AND METHOD

Office
Canada
Application Number 2559744
Application Date 14.03.2005
Publication Number 2559744
Publication Date 20.10.2005
Grant Number
Grant Date 25.05.2010
Publication Kind C
IPC
B01D 53/14
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
14by absorption
B01D 53/62
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
34Chemical or biological purification of waste gases
46Removing components of defined structure
62Carbon oxides
CPC
B01D 53/1425
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols,
14by absorption
1425Regeneration of liquid absorbents
B01D 53/1475
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols,
14by absorption
1456Removing acid components
1475Removing carbon dioxide
B01D 2258/0283
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2258Sources of waste gases
02Other waste gases
0283Flue gases
B01D 2259/65
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2259Type of treatment
65Employing advanced heat integration, e.g. Pinch technology
Y02C 20/40
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
20Capture or disposal of greenhouse gases
40of CO2
B01D 53/14
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols,
14by absorption
Applicants MITSUBISHI HEAVY INDUSTRIES, LTD.
THE KANSAI ELECTRIC POWER CO., INC.
Inventors IIJIMA, MASAKI
KAMIJO, TAKASHI
YONEKAWA, TAKAHITO
MIMURA, TOMIO
YAGI, YASUYUKI
Priority Data 2004073388 15.03.2004 JP
Title
(EN) CO2 RECOVERY SYSTEM AND METHOD
(FR) INSTALLATION ET METHODE DE RECUPERATION DU DIOXYDE DE CARBONE
Abstract
(EN) A CO2 recovery system includes an absorption tower and a regeneration tower. A CO2 rich solution is produced in the absorption tower by absorbing CO2 from a CO2-containing gas. The CO2 rich solution is conveyed to the regeneration tower where a lean solution is produced from the rich solution by removing CO2. A regeneration heater heats the lean solution that accumulates near a bottom portion of the regeneration tower with saturated steam thereby producing steam condensate from the saturated steam. A steam-condensate heat exchanger heats the rich solution conveyed from the absorption tower to the regeneration tower with the steam condensate.
(FR) Appareil pour récupérer du CO2 ayant une tour d'absorption (13) pour mettre en contact un gaz contenant du CO2 (11) contenant du CO2 avec un fluide absorbant le CO2 (12) absorbant le CO2 pour enlever le CO2 et une tour de régénération (15) pour régénérer une solution riche (14) ayant du CO2 absorbé et réutiliser, dans la tour d'absorption (13), une solution pauvre (16) ayant été appauvrie en CO2 dans ladite tour de régénération (15), lequel comprend un réchauffeur de régénération (18) pour soutirer une solution pauvre (16) récupérée aux environs du fond de la tour de régénération (15) vers l'extérieur de celle-ci et soumettre la solution pauvre à un échange de chaleur avec une vapeur à haute température (17) et un échangeur de chaleur à l'eau condensée de la vapeur (21) étant disposé dans la ligne d'alimentation en solution riche (20) introduisant une solution riche (14) dans la tour de régénération (15) à partir de la tour d'absorption (13) pour chauffer ladite solution riche (14) grâce à l'utilisation de la chaleur résiduelle de l'eau condensée de la vapeur (19) provenant du réchauffeur de régénération (18) ci-dessus.
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