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1. WO2010000937 - METHOD FOR DISSOLVING CARBON DIOXIDE FROM FLUE OR OTHER GAS AND FOR NEUTRALIZING THE SOLUTION OBTAINED

Publication Number WO/2010/000937
Publication Date 07.01.2010
International Application No. PCT/FI2009/050588
International Filing Date 30.06.2009
IPC
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 53/14 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
C01F 7/02 2006.1
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE EARTH METALS
7Compounds of aluminium
02Aluminium oxide; Aluminium hydroxide; Aluminates
CPC
B01D 2257/504
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2257Components to be removed
50Carbon oxides
504Carbon dioxide
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
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 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, aerosols,
34Chemical or biological purification of waste gases
46Removing components of defined structure
62Carbon oxides
B01D 53/78
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,
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
Applicants
  • CUYCHA INNOVATION OY [FI]/[FI] (AllExceptUS)
  • NURMIA, Matti [FI]/[FI] (UsOnly)
Inventors
  • NURMIA, Matti
Agents
  • KESPAT OY
Priority Data
2008042230.06.2008FI
Publication Language English (EN)
Filing Language Finnish (FI)
Designated States
Title
(EN) METHOD FOR DISSOLVING CARBON DIOXIDE FROM FLUE OR OTHER GAS AND FOR NEUTRALIZING THE SOLUTION OBTAINED
(FR) PROCÉDÉ DE DISSOLUTION DE DIOXYDE DE CARBONE À PARTIR D’UN GAZ DE COMBUSTION OU AUTRE ET DE NEUTRALISATION DE LA SOLUTION OBTENUE
Abstract
(EN)
The object of the invention is a method for dissolving carbon dioxide from flue or other gas and for the neutralization of the solution obtained. Said gas, in which the partial pressure of carbon dioxide is at least 0.4 bar, is led to a dissolution process (23), where the major part of the carbon dioxide is dissolved into a flow of water. The aqueous solution of carbon dioxide thus obtained is neutralized (24) by passing it through a material containing feldspar minerals, at which time the hydrogen ions of said solution are replaced by ions of alkali or alkaline earth metals, and the aluminum in said material is converted into aluminum compounds that can be separated and utilized.
(FR)
L’invention concerne un procédé de dissolution de dioxyde de carbone à partir d’un gaz de combustion ou autre et de neutralisation de la solution obtenue. Ledit gaz, dans lequel la pression partielle en dioxyde de carbone est d’au moins 0,4 bar, est conduit vers un procédé de dissolution (23) dans lequel la majeure partie du dioxyde de carbone est dissous dans un courant d’eau. La solution aqueuse de dioxyde de carbone ainsi obtenue est neutralisée (24) par passage au travers d’un matériau contenant des minéraux feldspaths, les ions hydrogène de ladite solution étant alors remplacés par des ions de métaux alcalins ou alcalino-terreux, et l’aluminium dans ledit matériau est transformé en composés d’aluminium qui peuvent être séparés et utilisés.
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