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WO2022268789A1 - Procédé de carbonatation et mélange de carbonatation - Google Patents

Procédé de carbonatation et mélange de carbonatation Download PDF

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Publication number
WO2022268789A1
WO2022268789A1 PCT/EP2022/066844 EP2022066844W WO2022268789A1 WO 2022268789 A1 WO2022268789 A1 WO 2022268789A1 EP 2022066844 W EP2022066844 W EP 2022066844W WO 2022268789 A1 WO2022268789 A1 WO 2022268789A1
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WO
WIPO (PCT)
Prior art keywords
carbonation
carbon dioxide
nucleating agent
reaction
mixture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2022/066844
Other languages
German (de)
English (en)
Inventor
Hermann Wotruba
Dario KREMER
Christian DERTMANN
Simon ETZOLD
Bernd Friedrich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rheinisch Westlische Technische Hochschuke RWTH
Original Assignee
Rheinisch Westlische Technische Hochschuke RWTH
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Filing date
Publication date
Application filed by Rheinisch Westlische Technische Hochschuke RWTH filed Critical Rheinisch Westlische Technische Hochschuke RWTH
Priority to EP22733665.8A priority Critical patent/EP4359113A1/fr
Publication of WO2022268789A1 publication Critical patent/WO2022268789A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/62—Carbon oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F5/00—Compounds of magnesium
    • C01F5/24—Magnesium carbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/30—Alkali metal compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/40—Alkaline earth metal or magnesium compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/40—Alkaline earth metal or magnesium compounds
    • B01D2251/402—Alkaline earth metal or magnesium compounds of magnesium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/40—Alkaline earth metal or magnesium compounds
    • B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/60—Inorganic bases or salts
    • B01D2251/604—Hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/60—Inorganic bases or salts
    • B01D2251/606—Carbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/90—Chelants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/25—Coated, impregnated or composite adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/30—Physical properties of adsorbents
    • B01D2253/302—Dimensions
    • B01D2253/304—Linear dimensions, e.g. particle shape, diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/504—Carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air

Definitions

  • the present invention relates to a carbonation process and a carbonation mixture, which can be used, for example, in sequestering carbon dioxide (CO2).
  • the present invention relates in particular to a method and a mixture which make it possible to improve the reaction conversion of the carbonation reaction, for example in the context of carbon dioxide sequestration.
  • the sequestration of carbon dioxide is a method known per se to remove carbon dioxide from the atmosphere and chemically bind it securely.
  • US 2015/0044757 A1 describes methods and systems for capturing and storing carbon dioxide, comprising: mixing materials containing magnesium or calcium with one or more acids and chelating agents to form a magnesium- or calcium-rich solvent; using the organic acids derived from biogenic wastes as acids or chelating agents; generating carbonate ions by reacting a gas containing carbon dioxide with a carbonic anhydrase biocatalyst; reacting the solvent with the carbonate ions to form magnesium or calcium carbonates; recycling a solution containing the biocatalyst after the formation of magnesium or calcium carbonates for reuse in the generating step; Using the magnesium and calcium carbonates as carbon neutral packing materials and using the silica product as green packing materials or low cost absorbents.
  • WO 2012/068639 A1 describes a method for extracting an alkali metal and/or an alkaline earth metal from a mineral containing an alkali metal and/or an alkaline earth metal, or a rock containing the mineral, the method involving contacting the mineral with an aqueous Composition containing formic acid.
  • a method can be carried out in the sequestration of carbon dioxide. It is pointed out that a passivation layer can form on the rock.
  • the document US 7,722,842 B2 describes a method for mineral sequestration of noxious gases resulting from the combustion of carbon-based fuels such as carbon and sulfur dioxides, the provision of a particulate magnesium-containing mineral and exposing the magnesium-containing mineral to a weak acid to magnesium from the mineral to dissolve and form a magnesium-containing solution.
  • the surface of the particulate magnesium-bearing mineral is physically activated to expose and dissolve additional magnesium in solution.
  • grinding media can be added.
  • WO 2011/047070 A1 describes a method for sequestering carbon dioxide minerals using mine waste and recovering valuable metal from the mine waste, comprising: (a) contacting a mine waste stream and water to form a slurry; (b) contacting the slurry and CO2 in a reaction vessel to provide a reacted slurry; (c) separating the reacted slurry into solids, liquid and gas; (d) recovering metals from the reacted slurry; and (e) recycling CO2 from the separated gas.
  • US 2019/0009211 A1 describes a method for performing mineral carbonation, comprising the following steps: providing a bed of hydroxylated magnesium silicate mineral particles in a heating vessel; agitating the bed of particles under conditions of subatmospheric pressure and at a temperature of at least 600°C to produce particles of dehydroxylated magnesium silicate mineral; and reacting the dehydroxylated magnesium silicate mineral with carbon dioxide, carbonate ion and/or bicarbonate ion to form magnesium carbonate.
  • WO 2011/155 830 A1 describes a process for converting metallic silicate minerals into silicon compounds and metal compounds.
  • Such a method comprises the following steps: providing a dispersion of solid particles of silicate minerals in water; conveying the dispersion provided through a first channel of a reactor in a descending direction such that a descending flow of dispersion is obtained in the first channel; Reacting the solid particles of silicate minerals in the dispersion with one or more reactants by adding the reactants to the downflow of the dispersion and discharging the silicon compounds and metal compounds formed during the conversion reaction through a second channel of the reactor in an upflow.
  • WO 2008/061305 A1 describes a method for carbonizing minerals, characterized in that the silicate feedstock is thermally activated using heat generated by the combustion of fuel before the activated slurry feedstock is reacted with carbon dioxide.
  • a slurry of the starting material can be used, which comprises, for example, a bicarbonate solution.
  • the object of the present invention to provide a measure by which at least one problem of the prior art is at least partially overcome. It is in particular an object of the present invention to create a measure by means of which a high reaction conversion of the carbonation starting material is made possible.
  • the object is achieved according to the invention by a method having the features of claim 1.
  • the object is also achieved according to the invention by a mixture with the features of claim 8.
  • Preferred configurations of the invention are in the subclaims, in the description, and in the example is disclosed, wherein other features described or shown in the dependent claims or in the description or example, individually or in any combination, may constitute subject matter of the invention, unless the context clearly indicates the contrary.
  • the present invention relates to carbonation processes, comprising the process steps: a) providing a carbonation educt, wherein the carbonation educt is suitable for reacting with carbon dioxide; and b) carrying out a reaction of the carbonation starting material in a reaction mixture with carbon dioxide with chemical bonding of the carbon dioxide; characterized in that c) at least one nucleating agent is added to the reaction mixture, on which at least one reaction product formed in process step b) is deposited, the nucleating agent comprising at least one material that is a reaction product of the carbonation starting material with carbon dioxide.
  • the process described here is therefore a carbonation process and can be used in particular in a process for sequestering carbon dioxide.
  • a method is understood in particular to mean a method in which carbon dioxide reacts with a carbonation starting material or a component thereof and can thus be bound in chemical form.
  • sequestration serves in particular to remove carbon dioxide from the atmosphere and store it in chemically bound form.
  • the process thus includes a carbonation, such as a mineral ex-situ carbonation, of the carbonation starting material.
  • the method according to method step a) comprises the provision of a carbonation educt, wherein the carbonation educt is suitable for reacting with carbon dioxide.
  • a reaction of the carbonation starting material with carbon dioxide should be understood in the sense of the present invention that the carbonating starting material as a whole or parts thereof can or can react with carbon dioxide in order to chemically bind carbon dioxide.
  • individual ions contained in the carbonation starting material, in particular cations, can react with carbon dioxide and form the corresponding carbonates, for example.
  • the carbonation starting material can therefore in principle be freely selected and is not restricted in principle insofar as a reaction with carbon dioxide can be made possible as described above.
  • the method comprises the further method step b), namely carrying out a reaction of the carbonation starting material in a reaction mixture with carbon dioxide, with the carbon dioxide being chemically bonded.
  • the carbon dioxide can be added to the reaction mixture in a targeted manner so that it comes into contact with the carbonation starting material or the reactive components thereof.
  • the reaction mixture can be present under an excess pressure of carbon dioxide.
  • the reaction mixture can be an aqueous solution to which the carbonation educt is added and in which Cations of the carbonation reactant go into solution.
  • alkali metal cations or alkaline earth metal cations can go into solution from the carbonation reactant in order to be able to react with the carbon dioxide.
  • reaction products of the carbonation usually also deposit on the surface of the carbonation educt. This leads to the formation of a passivation layer, which increasingly impedes the reaction of the carbonation reactant with carbon dioxide, for example by making it more difficult or by the Preventing the release of the corresponding cations from the carbonation educt. This limits the reaction conversion of the carbonation educt.
  • the method described here provides that at least one nucleating agent is added to the reaction mixture according to method step c), on which at least one reaction product formed in method step b) is deposited.
  • the nucleating agent is in particular a particulate nucleating agent or the nucleating agent is in particular a solid.
  • both the carbonation starting material and the nucleating agent can each be a substance or a mixture of substances, so that the respective description applies to one or a plurality of substances.
  • the other features of the nucleating agent ie in particular its particle size, type and quantity, relate to the nucleating agent when it is added to the reaction mixture, ie in particular before the reaction product is deposited on it.
  • a nucleating agent is added to the substances present or arising in process steps a) and b).
  • the nucleating agent is thus not formed by process step b) but is added in addition to the product formed in the reaction. This is important because in this way passivation of the starting materials can be effectively prevented from the outset and the reaction is particularly effectively and advantageously influenced.
  • the nucleating agent By adding the nucleating agent, i.e. by adding the nucleating agent in addition to the carbonation educt, it is thus achieved that reaction products from the carbonation reaction, such as corresponding carbonates or amorphous silicon dioxide, are predominantly deposited on the surface of the nucleating agent, the particles of the Carbonation reactant, however, remain essentially free of these.
  • the nucleating agent comprises at least one material which is a reaction product of the carbonation starting material with carbon dioxide. This exploits the fact that primary grain growth requires less energy than nucleation and that this is energetically more favorable on matching crystal planes, i.e. a corresponding nucleating agent, than on the reactive starting material.
  • a precipitation of the reaction products such as in particular alkaline earth metal or alkali metal carbonates or amorphous silicon dioxide, preferably takes place on the nucleating agents, but the starting material, i.e. the carbonation educt, is free of the precipitated or formed reaction products at least for a longer period of time remain.
  • the nucleating agent is added to the reaction mixture before the start of the carbonization reaction or at the start of the carbonization reaction.
  • method step c) it can be advantageous for method step c) to be carried out at least in part, for example completely, before method step b).
  • corresponding reaction products can also form during the reaction, ie in process step b).
  • these should preferably not be nucleating agents according to the present invention, rather the nucleating agent should preferably be added in addition to the carbonation starting material. This can be recognized, for example, by the fact that after process step b) there is stoichiometrically more of the reacted starting material of the carbonation starting material as reaction product than was originally added to the reaction by the carbonating starting material.
  • a reaction mixture can be initially introduced, which comprises the carbonation educt and the nucleating agent, for example in an aqueous mixture, before the carbon dioxide is fed to the reaction mixture.
  • nucleating agents can be added to the reaction mixture in addition to the addition of carbonation educt. This can be done continuously, for example, or in batches, ie in batches that can be defined in particular.
  • nucleating agent is added to the reaction mixture, in particular before the start of the carbonation reaction or at the start of the carbonating reaction, can make it possible for the reaction products to be deposited on the nucleating agents particularly effectively and passivation of the carbonating starting material to be at least partially prevented. This is because the formation of a passivation layer can be effectively prevented or at least slowed down right at the beginning of the reaction, which can already provide a high level of activity at the beginning of the reaction.
  • the method described thus makes it possible to enable a particularly high reaction conversion of the carbonation starting material.
  • the formation of a passivation layer on the surface of the particles of the carbonation starting material can effectively prevent the reaction thereof from ending without the reaction conversion being very advanced or even complete.
  • Carbon dioxide sequestration as an application of carbonation is desirable because it is an effective method of removing the greenhouse gas carbon dioxide from the atmosphere and chemically sequestering it safely and permanently, with the reaction products not posing a significant environmental threat.
  • the present invention now makes it possible to make the carbonation within the framework of the sequestration of carbon dioxide more economically sensible and thus contribute to the fact that the mineral carbonation can be used industrially in the future, for example within the framework of the sequestration of carbon dioxide. This is because the invention described above makes it possible to significantly increase the chemically bound amount of carbon dioxide per tonne of carbonation reactant.
  • the process also offers advantages with regard to processes that can be used on an industrial scale and in which carbon dioxide is produced. This is because in the event of potential increases in the costs of CCh production that are to be expected, for example due to rising costs of CCh certificates, the present invention can ensure fundamental or improved feasibility of this technology by improving sequestration.
  • the nucleating agent can be selected from carbonates and amorphous silicon dioxide. It has been shown that such substances in particular are formed as reaction products in conventional carbonation reactions, for example as part of the sequestration of carbon dioxide, and are therefore particularly effective as nucleating agents. In addition, these materials are usually readily available and enable the use of effective carbonation educts together with the nucleating agents to be used.
  • Examples of carbonates as nucleating agents include magnesite, calcite, aragonite or dolomite.
  • Examples of amorphous silica include, for example, that which can be produced synthetically or can occur naturally in volcanic glasses and tektites. Particularly in combination with these nucleating agents, it is possible to use effective carbonation starting materials that are easy to use, and it has also been found that very effective nucleation activity is possible, which can effectively prevent or at least reduce the formation of a passivation layer.
  • the nucleating agent can particularly advantageously have a particle size in a range of less than or equal to 100 ⁇ m.
  • the particle size mentioned according to this invention can be a particle size D90.
  • the particle size can be determined approximately by laser diffractometry.
  • the nucleating agent can particularly advantageously have particles with a particle size D90 in a range of less than or equal to 50 ⁇ m, for example less than or equal to 30 ⁇ m, in which case a lower limit of the particle size can in principle be due to technical reasons and/or can be in a range of around 0 1pm or 1pm.
  • nucleating agents that are in the aforementioned size range are effective as precipitating carriers for the products of the carbonation or the sequestration reaction. This can be due in particular to that due to the small particle size there is a high specific surface, which results in effective nucleation. In addition, such small particles in particular can ensure that the coated nucleating agent is not damaged during stirring, for example, which further simplifies the process control.
  • the carbonation starting material comprises at least one material which is selected from the group consisting of oxides and silicates of the alkali metals and the alkaline earth metals.
  • Carbonation educts of this type in particular are well suited for binding carbon dioxide, since the metal cations are usually easy to dissolve and, moreover, a reaction to form the corresponding carbonates or amorphous silicon dioxide is effectively possible.
  • these materials are usually readily available, either as minerals or rocks, such as including peridodite, olivine, basalt, materials from the serpentine group, or as secondary raw materials, such as including slag, fly ash, filter dust and mining waste or tailings.
  • the nucleating agent is added to the reaction mixture in an amount which is less than or equal to 65% by weight, based on the amount of the carbonation starting material used in process step b).
  • the above-described amount can preferably be added at least in part before carrying out process step b).
  • the corresponding amount is also or only added continuously or intermittently while process step b) is being carried out. It has been shown that the nucleating agent in the amount described above is very effective in nucleation and thus passivation of the sequestrant can be effectively prevented and at the same time due to the small amount, the process can be carried out economically within a reasonable time frame.
  • the nucleating agent can be added to the reaction mixture in an amount ranging from greater than or equal to 2% by weight to less than or equal to 50% by weight, such as from greater than or equal to 5% by weight to less than or equal to 25% by weight, based in each case on the amount of carbonation starting material used in process step b).
  • a carbonation mixture is also described, the mixture having at least one carbonation starting material which is suitable for reacting with carbon dioxide with chemical bonding of the carbon dioxide, the mixture further comprising at least one nucleating agent for separating at least one reaction product from the reaction of the carbonating starting material with carbon dioxide, wherein the nucleating agent comprises at least one material that is a reaction product of the carbonation educt with carbon dioxide.
  • the reaction mixture comprises a nucleating agent for separating at least one reaction product from the reaction of the carbonation reactant with carbon dioxide, the nucleating agent comprising at least one material that is a reaction product of the carbonation reactant with carbon dioxide, can prevent or significantly reduce the risk that reaction products of carbonation on the carbonation educt. Rather, what is achieved is that the reaction products are deposited on the nucleating agent.
  • a passivation layer which is usually known from the prior art as an amorphous silicon dioxide layer or, for example, magnesite, can thus be prevented or its occurrence can at least be significantly reduced.
  • deposition of the reaction products on the nucleating agent can be reduced in particular by the nucleating agent comprising at least one material that is a reaction product of the carbonation starting material with carbon dioxide.
  • the nucleating agent comprising at least one material that is a reaction product of the carbonation starting material with carbon dioxide.
  • This exploits the fact that primary grain growth requires less energy than nucleation and that this is energetically more favorable on matching crystal planes, i.e. a corresponding nucleating agent, than on the reactive starting material. It can thus be achieved that a precipitation of the reaction products, such as in particular alkaline earth metal or alkali metal carbonates or amorphous silicon dioxide, preferably takes place on the nucleating agents, but the starting material, i.e. the carbonation educt, remains free of the precipitated or formed reaction products at least for a longer period of time .
  • the nucleating agent can be selected from carbonates and amorphous silicon dioxide.
  • carbonates include, but are not limited to, magnesite, calcite, aragonite, or dolomite.
  • silica include, for example, natural or synthetic amorphous silica.
  • the nucleating agent can particularly advantageously have a particle size D90 which is in a range of less than or equal to 100 ⁇ m.
  • the nucleating agent can particularly advantageously have particles with a particle size D90 in a range of less than or equal to 50 ⁇ m, for example less than or equal to 30 ⁇ m, with a lower limit of the Particle size D90 may be due to technical reasons and/or may be in a range of 0.1 gm, for example 1 gm.
  • the carbonation starting material comprises at least one material which is selected from a group consisting of oxides and silicates of the alkali metals and the alkaline earth metals.
  • Carbonation educts of this type in particular are well suited for binding carbon dioxide, since the metal cations are usually easy to dissolve and, moreover, a reaction to form the corresponding carbonates or amorphous silicon dioxide is effectively possible.
  • these materials are mostly readily available either as minerals or rocks, such as including peridodites, olivines, basalts, serpentine group materials, or also as secondary raw materials, such as including slags, fly ash, fly ash, fly ash and mining tailings or tailings.
  • the nucleating agent is added to the reaction mixture in an amount which is in a range of less than or equal to 65% by weight, based on the amount of carbonation reactant present.
  • the nucleating agent can be added to the reaction mixture in an amount ranging from greater than or equal to 2% by weight to less than or equal to 50% by weight, such as from greater than or equal to 5% by weight to less than or equal to 25% by weight, based in each case on the amount of the carbonate starting material used.
  • the carbonation educt which may be an oxide and/or silicate of an alkali metal and/or alkaline earth metal, e.g. peridodite, and the nucleating agent, such as a carbonate or amorphous silicon dioxide, e.g. magnesite, are combined with water as a solvent and optional additives such as acids and/or chelating agents, filled into a reactor.
  • the nucleating agent was present in an amount of 10% by weight based on the carbonation educt.
  • the agitator of the reactor is set to, for example, 600 revolutions per minute.
  • CO2 is added, at about an exemplary partial pressure of 30 bar, and the temperature of the reaction mixture is increased to 175°C, resulting in a pressure increase to about 60 bar.
  • the process remains at this temperature for four hours, during which the pressure of the CO2 understandably decreases as a result of the reaction. Thereafter, it is cooled to room temperature.

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
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  • Biomedical Technology (AREA)
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  • Organic Chemistry (AREA)
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  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

L'invention concerne un mélange de carbonatation et un procédé de carbonatation, par exemple pour la séquestration de dioxyde de carbone, permettant d'obtenir une conversion de réaction particulièrement élevée du réactif de carbonatation.
PCT/EP2022/066844 2021-06-25 2022-06-21 Procédé de carbonatation et mélange de carbonatation Ceased WO2022268789A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22733665.8A EP4359113A1 (fr) 2021-06-25 2022-06-21 Procédé de carbonatation et mélange de carbonatation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021116491.5 2021-06-25
DE102021116491.5A DE102021116491A1 (de) 2021-06-25 2021-06-25 Karbonatisierungsverfahren und Karbonatisierungsmischung

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WO2022268789A1 true WO2022268789A1 (fr) 2022-12-29

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Publication number Priority date Publication date Assignee Title
DE102023108019A1 (de) 2023-03-29 2024-10-02 Andreas Michael Bremen Reaktorsystem für ein Karbonatisierungsverfahren

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007069902A1 (fr) * 2005-11-24 2007-06-21 Institutt For Energiteknikk PROCEDE DE FABRICATION INDUSTRIELLE DE MgCO3 PUR A PARTIR D’UN TYPE DE PIERRE CONTENANT DE L’OLIVINE
WO2008061305A1 (fr) 2006-11-22 2008-05-29 Orica Explosives Technology Pty Ltd Processus chimique integre
US7722842B2 (en) 2003-12-31 2010-05-25 The Ohio State University Carbon dioxide sequestration using alkaline earth metal-bearing minerals
WO2010097444A1 (fr) * 2009-02-27 2010-09-02 Shell Internationale Research Maatschappij B.V. Procédé de séquestration de dioxyde de carbone
WO2010097451A2 (fr) * 2009-02-27 2010-09-02 Shell Internationale Research Maatschappij B.V. Procédé de stockage de dioxyde de carbone
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