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1. WO2018139482 - EXHAUST GAS TREATMENT DEVICE AND CO2 RECOVERY DEVICE USING SAME

Publication Number WO/2018/139482
Publication Date 02.08.2018
International Application No. PCT/JP2018/002103
International Filing Date 24.01.2018
IPC
B01D 53/56 2006.1
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
54Nitrogen compounds
56Nitrogen oxides
B01D 53/14 2006.1
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 2006.1
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
B01D 53/78 2006.1
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
74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
77Liquid phase processes
78with gas-liquid contact
C01B 32/50 2017.1
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF
32Carbon; Compounds thereof
50Carbon dioxide
CPC
B01D 2251/304
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2251Reactants
30Alkali metal compounds
304of sodium
B01D 2251/604
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2251Reactants
60Inorganic bases or salts
604Hydroxides
B01D 2252/20431
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2252Absorbents, i.e. solvents and liquid materials for gas absorption
20Organic absorbents
204Amines
20431Tertiary amines
B01D 2257/404
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2257Components to be removed
40Nitrogen compounds
404Nitrogen oxides other than dinitrogen oxide
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 51/10
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
51Auxiliary pretreatment of gases or vapours to be cleaned
10Conditioning the gas to be cleaned
Applicants
  • 三菱重工エンジニアリング株式会社 MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD. [JP]/[JP]
Inventors
  • 田中 裕士 TANAKA, Hiroshi
  • 平田 琢也 HIRATA, Takuya
  • 上條 孝 KAMIJO, Takashi
  • 辻内 達也 TSUJIUCHI, Tatsuya
Agents
  • 特許業務法人酒井国際特許事務所 SAKAI INTERNATIONAL PATENT OFFICE
Priority Data
2017-01065024.01.2017JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) EXHAUST GAS TREATMENT DEVICE AND CO2 RECOVERY DEVICE USING SAME
(FR) DISPOSITIF DE TRAITEMENT DE GAZ D'ÉCHAPPEMENT ET DISPOSITIF DE RÉCUPÉRATION DE CO2 L'UTILISANT
(JA) 排ガス処理装置及びそれを用いたCO2回収装置
Abstract
(EN) This exhaust gas treatment device is provided with: a nitrogen oxide absorption part 13 into which an exhaust gas 11 containing nitrogen oxide and carbon dioxide is introduced, so that the nitrogen oxide in the exhaust gas 11 is absorbed and removed by means of a nitrogen oxide absorbing liquid 12; a nitrogen oxide absorbing liquid extraction line L5 which extracts the circulating nitrogen oxide absorbing liquid 12 from a nitrogen oxide absorbing liquid circulation line L4; a nitrogen oxide absorbing liquid heating/regeneration part 23 in which the nitrogen oxide absorbing liquid 12 is heated and regenerated, thereby obtaining a discharge gas 21 containing at least nitrogen monoxide and carbon dioxide and a regenerated nitrogen oxide absorbing liquid 22; a discharge gas line L6 which introduces the discharge gas 21 into the exhaust gas from the nitrogen oxide absorption part 13; and a regenerated liquid discharge line L7 which introduces the regenerated nitrogen oxide absorbing liquid 22 from the nitrogen oxide absorbing liquid heating/regeneration part 23 into the nitrogen oxide absorbing liquid circulation line L4.
(FR) Ce dispositif de traitement de gaz d'échappement comprend : une partie d'absorption d'oxyde d'azote 13 dans laquelle un gaz d'échappement 11 contenant de l'oxyde d'azote et du dioxyde de carbone est introduit, de telle sorte que l'oxyde d'azote dans le gaz d'échappement 11 est absorbé et éliminé au moyen d'un liquide d'absorption d'oxyde d'azote 12; une ligne d'extraction de liquide d'absorption d'oxyde d'azote L5 qui extrait le liquide d'absorption d'oxyde d'azote en circulation 12 à partir d'une ligne de circulation de liquide d'absorption d'oxyde d'azote L4; une partie de chauffage/régénération de liquide absorbant l'oxyde d'azote 23 dans laquelle le liquide d'absorption d'oxyde d'azote 12 est chauffé et régénéré, ce qui permet d'obtenir un gaz de décharge 21 contenant au moins du monoxyde d'azote et du dioxyde de carbone et un liquide d'absorption d'oxyde d'azote régénéré 22; une conduite de gaz de décharge L6 qui introduit le gaz de décharge 21 dans le gaz d'échappement provenant de la partie d'absorption d'oxyde d'azote 13; et une ligne de décharge de liquide régénéré L7 qui introduit le liquide d'absorption d'oxyde d'azote régénéré 22 à partir de la partie de chauffage/régénération de liquide absorbant l'oxyde d'azote 23 dans la ligne de circulation de liquide absorbant l'oxyde d'azote L4.
(JA) 窒素酸化物及び二酸化炭素を含有する排ガス11を導入し、排ガス11中の窒素酸化物を窒素酸化物吸収液12により吸収除去する窒素酸化物吸収部13と、循環する前記窒素酸化物吸収液12を窒素酸化物吸収液循環ラインL4から抜出す窒素酸化物吸収液抜出ラインL5と、窒素酸化物吸収液12を加熱再生処理し、少なくとも一酸化窒素及び二酸化炭素を含む放出ガス21と、窒素酸化物吸収液再生液22とを得る窒素酸化物吸収液加熱再生部23と、放出ガス21を窒素酸化物吸収部13からの排ガスに導入する放出ガスラインL6と、窒素酸化物吸収液加熱再生部23からの窒素酸化物吸収液再生液22を、窒素酸化物吸収液循環ラインL4に導入する再生液排出ラインL7とを具備する。
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