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1. JP2013039573 - CARBON DIOXIDE COLLECTION DEVICE AND METHOD

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Office
Japan
Application Number 2012248840
Application Date 12.11.2012
Publication Number 2013039573
Publication Date 28.02.2013
Grant Number 5518164
Grant Date 11.04.2014
Publication Kind B2
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 53/34
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
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
C01B 31/20
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF
31Carbon; Compounds thereof
20Carbon dioxide
CPC
Y02A 50/20
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
ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
50in human health protection, e.g. against extreme weather
20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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
Y02P 20/10
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
PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
20Technologies relating to chemical industry
10Process efficiency
Y02P 20/151
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
PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
20Technologies relating to chemical industry
151Reduction of greenhouse gas [GHG] emissions, e.g. CO2
Y02P 20/50
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
PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
20Technologies relating to chemical industry
50Improvements relating to the production of bulk chemicals
Applicants MITSUBISHI HEAVY IND LTD
三菱重工業株式会社
KANSAI ELECTRIC POWER CO INC:THE
関西電力株式会社
Inventors KAMIJO TAKASHI
上條　孝
IIJIMA MASAKI
飯嶋　正樹
YONEKAWA TAKAHITO
米川　隆仁
MIMURA TOMIO
三村　富雄
YAGI YASUYUKI
八木　靖幸
Agents 酒井　宏明
Title
(EN) CARBON DIOXIDE COLLECTION DEVICE AND METHOD
(JA) ＣＯ２回収装置及び方法
Abstract
(EN)

PROBLEM TO BE SOLVED: To provide a CO2 collection device and method further improving energy efficiency.

SOLUTION: The CO2 collection device has an absorption tower 13 for removing CO2 by bringing a CO2-containing gas 11 into contact with a CO2-absorbing liquid 12, and a regeneration tower 15 for regenerating a CO2-rich solution 14, wherein at the regeneration tower 15, a lean solution 16 in which CO2 is removed is reused in the absorption tower 13. Besides, the device is provided with: a regeneration heater 18 which extracts outside the lean solution 16 collected in the vicinity of the bottom of the tower 15 to perform a heat exchange by a high-temperature steam 17; and a heat exchanger 21 using a steam-condensed water, which is provided in a rich solution-feeding pipe 20 for feeding the rich solution 14 from the absorption tower 13 to the tower 15 and heats the rich solution 14 by utilizing the remaining heat of the steam-condensed water 19 from the heater 18.

COPYRIGHT: (C)2013,JPO&INPIT


(JA)

【課題】エネルギー効率を一層向上させたＣＯ2回収装置及び方法を提供する。
【解決手段】ＣＯ2を含有するＣＯ2含有ガス１１とＣＯ2を吸収するＣＯ2吸収液１２とを接触させてＣＯ2を除去する吸収塔１３と、ＣＯ2を吸収したリッチ溶液１４を再生する再生塔１５と、該再生塔１５でＣＯ2を除去したリーン溶液１６を吸収塔１３で再利用するＣＯ2回収装置であって、再生塔１５の塔底部近傍に回収されたリーン溶液１６を外部へ抜き出して高温スチーム１７により熱交換する再生加熱器１８と、吸収塔１３から再生塔１５にリッチ溶液１４を供給するリッチ溶液供給管２０に設けられ、前記再生加熱器１８からのスチーム凝縮水１９の余熱により該リッチ溶液１４を加熱するスチーム凝縮水熱交換器２１とを具備してなる。
【選択図】 図１
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