EP3807233A1 - Providing carbon dioxide by means of oxygen-based combustion - Google Patents
Providing carbon dioxide by means of oxygen-based combustionInfo
- Publication number
- EP3807233A1 EP3807233A1 EP19752961.3A EP19752961A EP3807233A1 EP 3807233 A1 EP3807233 A1 EP 3807233A1 EP 19752961 A EP19752961 A EP 19752961A EP 3807233 A1 EP3807233 A1 EP 3807233A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- oxygen
- energy
- hydrogen
- fuel
- carbon
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/15—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively
- C07C29/151—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases
- C07C29/1516—Multisteps
- C07C29/1518—Multisteps one step being the formation of initial mixture of carbon oxides and hydrogen for synthesis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1818—Feeding of the fluidising gas
- B01J8/1827—Feeding of the fluidising gas the fluidising gas being a reactant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/50—Carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2/00—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon
- C10G2/50—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon dioxide with hydrogen
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/05—Pressure cells
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1022—Fischer-Tropsch products
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/02—Gasoline
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/04—Diesel oil
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/08—Jet fuel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
Definitions
- the present invention relates to a method for the extraction, provision or manufacture of a carbon-containing or -based, in particular hydrocarbon-based product or carbon dioxide, for example for “Power-to-X” (PtX) applications. Furthermore, a corresponding system which is to be used the procedure is set up.
- PtX Power-to-X
- Electricity-based or synthetic fuels are used in particular in the Transportation or industry is more important, such fuels as methane, methanol or derived or derived products such as kerosene, gasoline, diesel, OME, MTBE, or other hydrocarbon based products are especially produced by synthesis from hydrogen and carbon dioxide the underlying process can be named in particular with the expression “power-to-carbon-based fuels”, “PtCbasedFuels” or “PtCbF”.
- Hydrogen can be provided in particular by (water) electro lysis. The same applies to oxygen as a by-product or co-product. Carbon dioxide or carbon dioxide can then be removed or separated by various methods according to specific applications.
- the provision or supply of carbon dioxide (C0 2) for example for PtCbF applications, is not yet a subject that has been discussed in detail since there are currently only smaller projects that are implemented on a small scale, for example for demonstration purposes.
- electricity costs for example electricity generation or production costs, for renewable energies, especially in places with a large potential of wind, solar thermal and / or photovoltaics
- PtCbF e.g. plants with a potential of 100 MW and more
- PtCbF e.g. plants with a potential of 100 MW and more
- a method for separating carbon dioxide from a gas stream, in particular from a flue gas stream, and a separation device for carbon dioxide from such a stream is known for example from EP 2994216 B1.
- a method for producing carbon-based secondary energy sources or basic chemicals by coupling an oxyfuel combustion of carbon-based fuels and a high-temperature solid electrolyte electrolysis (HT-SOEL) is known from DE 10 2015 226 111 Al.
- One aspect of the present invention relates to a method suitable for the production, extraction or supply of carbon dioxide or a carbon-containing, in particular hydrocarbon-based product, preferably a secondary energy source, fuel, fuel, solvent or comparable products, chemical raw materials or intermediates.
- the method comprises providing oxygen, in particular from electrolysis, and providing a fuel.
- the method further comprises, in particular oxygen-based, combustion of the fuel provided with the oxygen using an oxyfuel method or an oxygen-based method for providing energy, in particular heat.
- the combustion is preferably carried out with pure or almost pure oxygen, for example by the so-called oxyfuel method (from “Oxy” for oxygen (oxygen) and “fuel” for fuel), the oxygen preferably being an electrolysis , which is part of the PtCbF process.
- oxyfuel method from “Oxy” for oxygen (oxygen) and “fuel” for fuel
- the oxygen preferably being an electrolysis , which is part of the PtCbF process.
- the oxygen-based combustion process in particular oxyfuel process, is preferably a process in which particularly high flame temperatures can be achieved. It can be used for both gaseous and liquid and solid fuels. In contrast to conventional combustion with air (air-based combustion), the fuel is burned with (almost) pure oxygen, e.g. without or with only a small proportion of nitrogen and noble gases.
- a certain amount of exhaust gas or flue gas (cooled) is usually recirculated, i.e. for example, blown together with the fuel and oxygen in a Brennkam mer.
- the flame temperature is, for example, dependent on the temperature of the recirculated flue gas mass flow.
- flue gas recirculation the temperature in a combustion zone can also be achieved by cooling, for example via heating surfaces through which water and steam flow or so-called “heat pipes”.
- the oxyfuel process is still particularly suitable as a basis for processes that allow the carbon dioxide (C0 2 ) that is formed or formed during combustion to be separated and thus se questred.
- C0 2 carbon dioxide
- fluidized beds in particular can be used for the combustion of the fuel.
- the energy mentioned is advantageously made available or provided as non-fluctuating energy (electrical energy and / or heat), which ensures that the energy is reliable, predictable and / or unconditionally available and quantifiable.
- the method further comprises cleaning a smoke gas that is created or produced by the oxyfuel method.
- Said cleaning can include, in particular, a fine cleaning and / or dedusting of the flue gas.
- the method further comprises the separation, separation or recovery of carbon dioxide from the (cleaned) flue gas generated or generated by the oxyfuel method.
- the method can then include, for example, a (further) CCg purification, ie purification of the separated carbon dioxide.
- a (further) CCg purification ie purification of the separated carbon dioxide.
- the CCg purification can advantageously be carried out by reacting a remaining or residual oxygen with hydrogen.
- the energy provided by the oxyfuel method or oxygen-based method comprises, preferably exclusively, heat which is used as process heat, for cleaning and / or for synthesis or preparation of the carbon-containing product, in particular a hydrocarbon-based product, is being used.
- heat can be used reliably and in particular in a non-fluctuating or volatile manner for the further process steps required, such as, for example, starting or keeping warm a synthesis device, an electrolyser or for the purposes mentioned above.
- turbines, gas engines or electrical heaters which otherwise, for example, would be required as a "back-up" solution, obsolete.
- the deposited carbon dioxide or a product based on it can be produced and offered particularly cheaply according to this embodiment, since in particular there are no high demands on the efficiency and combustion process electrical energy generation or conversion.
- this process heat can continue to be used in particular for the purification and / or distillation of crude methanol, which may be present as an intermediate.
- an electrolysis-derived oxygen which otherwise usually arises in excess and has to be blown off, can be used further in a suitable manner.
- oxyfuel processes taking place at atmospheric pressure as well as at overpressure can be used for the combustion, which advantageously supply already compressed CCg.
- the method comprises providing hydrogen, in particular from an electrolysis.
- This electrolysis is expediently the same electrolysis process from which, as described above, the oxygen has already been provided. In this way, the substances mentioned can be made available and recycled in a particularly efficient and simple manner.
- the deposited carbon dioxide is reacted or synthesized with the hydrogen provided to form a carbon-containing, in particular hydrocarbon-based, product, preferably an energy source or fuel.
- hydrogen or residual hydrogen can be contained in the deposited product (carbon dioxide). In contrast to conventional combustion processes with sequestration, this does not interfere with the present process, or is even advantageous if a carbon-containing product, for example methanol, is provided or is produced from the carbon dioxide.
- the synthesis of the carbon-containing product, in particular methanol, or the conversion comprises an inverse water gas shift reaction.
- carbon dioxide can advantageously be converted (en dothermally) with hydrogen to carbon monoxide and water.
- the heat provided by the oxyfuel process can advantageously be used for the above-mentioned reaction (RWGS process).
- the carbon-containing product in particular a product containing hydrocarbons, is a secondary one Energy sources, for example a fuel or an organic solvent.
- the attribute “green” can be recognized at least in the event that CCg is produced or obtained from biomass or similar sources and, for example, hydrogen from renewable energy sources and / or be certified.
- the carbon-containing product in particular a hydrocarbon-based product, methane, methanol, MTBE (methyl tert-butyl ether) as a fuel additive, DME (dimethyl ether) as an organic solvent, OME (polyoxymethylene dimethyl ether) as a synthetic fuel, Kerosene, gasoline, diesel and / or waxes.
- a hydrocarbon-based product methane, methanol, MTBE (methyl tert-butyl ether) as a fuel additive
- DME dimethyl ether
- OME polyoxymethylene dimethyl ether
- the fuel is biomass or bio-based, for example a standardized fuel which, for example, is traded or tradable worldwide and can be or can be available in compressed form or in granular form (“pellet”).
- a standardized fuel which, for example, is traded or tradable worldwide and can be or can be available in compressed form or in granular form (“pellet”).
- the fuel can also be provided in a reproducible form, which in turn can simplify subsequent combustion, since combustion parameters, such as stoichiometry, can be set and defined more easily.
- a combustion of the fuel from traded, standardized biomass granules or biomass pellets is also characterized by relatively low impurities, so that subsequent gas purification can be simplified, for example, the occurrence of nitrogen oxides, sulfur oxides or chlorine in this case is predictable and advantageous ring, which facilitates filtering or cleaning of these substances.
- Said fuel in particular biomass, can advantageously be traded in a simple manner and in particular pretreated as a standardized product, transported over long distances and made available for energy generation and / or heat generation near an installed PtCbF system or integrated into this.
- biomass-based fuel compacts described are advantageously resistant and hardly degrade due to a low level of contamination and / or water content.
- the fuel is a bio-oil or a pyrolysis oil or a pyrolytically produced oil.
- the provision of oxygen and / or hydrogen takes place with the aid of fluctuating, volatile or variable renewable energy, in particular via electrolysis.
- renewable energies are naturally subject to fluctuations in supply, which is often not sufficiently predictable for continuous use.
- hydrogen is provided from hydrothermal and / or geothermal sources, i.e. in particular not or hardly fluctuating.
- the energy is provided by the combustion of the fuel in a non-fluctuating manner, that is to say in a non-volatile or variable manner.
- the energy "gained” or “generated” by the oxygen-based combustion of the fuel can be quantified, continuously and reliably provided.
- the system includes in particular a combustion device, gas cleaning, CO 2 - Separation device, and, in particular, a device for converting carbon dioxide and hydrogen into the carbon-based product.
- hydrogen is provided by or from an electrolysis, in particular a PEM electrolysis (“PEM” for “polymer electrolyte membrane”; in German: polymer electrolyte membrane).
- PEM PEM electrolysis
- oxygen is provided by or from an electrolysis, in particular a PEM electrolysis.
- the provision of oxygen ie the provision of hydrogen, is carried out from or by PEM electrolysis.
- the electrolysis is carried out under increased pressure, for example relative to an atmospheric pressure, so that the electrolysis products, in particular oxygen and hydrogen, are also present under increased pressure and can be processed further. This has the advantage that less compaction work has to be done subsequently.
- the electrolysis products in particular oxygen and hydrogen, are only compressed or charged after their electrolytic production.
- the actual electrolysis can take place without pressure or under atmospheric pressure.
- the subsequent combustion can also be carried out under increased pressure and accordingly in a simplified or more efficient manner, for example in such a way that carbon dioxide is provided under conditions which are ideally adapted to downstream synthesis steps or substeps.
- a remaining portion of oxygen in particular a portion which is not directly burned, is converted to what is provided with the hydrogen provided for the described carbon dioxide separation or carbon dioxide purification.
- This configuration can further simplify the separation of oxygen by means of starting materials or products already present.
- a CCg gas or flue gas still contains small amounts of oxygen, which can be converted into water afterwards via hydrogen, for example, also from an electrolysis.
- the energy provided by the oxyfuel method or oxygen-based method comprises, in particular exclusively, heat which - in the way of the method described - is used for a subsequent cogeneration.
- conventional power plants for example steam power plants or combined heat and power plants, can also be used advantageously.
- the energy provided by the oxyfuel method or oxygen-based method comprises electrical energy which is obtained as non-fluctuating or non-volatile energy or energy source, for example via a steam power process.
- the oxygen and / or the fuel can be used to generate electricity, for example electricity as a by-product for feeding into a power grid or as a network compensation ("Peaker") for or in addition to a system which may be provided and which contains the oxygen in which hydrogen is made available, for example, from renewable or regenerative energies.
- the oxyfuel process or oxygen-based combustion process is carried out without flue gas recirculation (see above). According to this embodiment, the combustion can take place particularly efficiently.
- a correspondingly constructed fluidized bed is used for the combustion of the fuel, which is in particular biomass or biomass-based. Refinements, features and / or advantages that relate to the method described here also can affect the system, or vice versa.
- FIG. 1 shows schematically and simplified a process sequence of the method according to the invention on the basis of a flowchart or block diagram.
- FIG. 1 shows in simplified form a method according to the invention for producing or providing carbon dioxide or a carbon-containing product, in particular product P based on hydrocarbon.
- a system 100 is shown in FIG. 1.
- the system 100 is preferably set up to provide a carbon-containing or -containing product, for example also pure carbon, or in particular a hydrocarbon-based product.
- the system 100 is preferably a PtCbF system (“Power-to-carbon-based fuels”), ie set up, starting from the energy provided, for example from renewable sources and / or from an oxygen-based combustion of a fuel, the above to provide said product, in particular a fuel.
- PtCbF system Power-to-carbon-based fuels
- the system 100 preferably comprises a combustion device 101.
- the combustion device 101 is preferably set up for an oxygen-based combustion of a fuel, preferably a biomass-based one
- the combustion device is preferably an oxyfuel incinerator.
- the combustion device 101 is accordingly preferably assembled for the combustion of biomass.
- the combustion device can also be set up and designed for the combustion of biological fuels or energy sources, for example bio-oils or pyrolytically provided oils.
- biomass BM in particular in compressed and standardized form, is preferably used for the fuel, since this product is particularly easier to trade or provide and is more suitable for long-distance transport.
- this form of fuel provides more reproducible combustion results and / or products.
- the biomass mentioned can be provided, for example, by processes known in the prior art in pellets or granules, which can be provided by drying measures, in particular torrefication or torrefication, tableting and / or pressing (English “pelleting”) an additional torreification of the biomass, which can include a drying measure at temperatures above 250 ° C.
- Corresponding compacts or granules are typically obtained from wood, wood waste or comparable raw materials mitver be burned.
- an emerging flue gas can, for example, in addition to CO2 and water, waste products such as nitrogen oxides (NO x ), sulfur oxides (SO x ) and / or chlorine (Ci), chlorine compounds or other substances.
- waste products such as nitrogen oxides (NO x ), sulfur oxides (SO x ) and / or chlorine (Ci), chlorine compounds or other substances.
- oxygen (0 2 ) which is a combustion as an oxidizing agent, which preferably originates from an electrolysis, preferably a PEM electrolysis (see below), is minimally overstoichiometric in the combustion device 101 burn, meaning that a small amount of oxygen can still be contained in the flue gas.
- This is the most expedient and efficient considering the difficulty or impossibility of an exactly stoichiometric combustion. Furthermore, this can be necessary or expedient, to avoid the formation of dioxins and (other) toxic hydrocarbons.
- This residual oxygen in the CCg normally has to be removed using complex cleaning processes, including, for example, activated carbon filters or molecular sieves.
- the combustion device 101 described comprises, for the gasification of a fuel which may be provided in solid form (“biomass pellet”), for example a fluidized bed or also other means, for example rusting, for holding the fuel.
- biomass pellet for example a fluidized bed or also other means, for example rusting, for holding the fuel.
- a fluidized bed for the gasification and / or combustion of the fuel is preferred, since this basically makes it possible to dispense with a possibly inefficient flue gas recirculation or recirculation by means of the oxyfuel process or to reduce the circulation.
- the system 100 preferably further comprises a gas purification 102.
- the gas purification or gas purification device 102 can, for example, be set up to purify, in particular also to dedust, the flue gas produced by the combustion (compare reference symbol “GR” for the gas purification method step in FIG. 1 ).
- the system 100 preferably further comprises a CO2 separation device 103.
- the separation device 103 can in particular be set up to separate waste products which may be inherently contained in the fuel from the carbon dioxide obtained or to be obtained, in particular by condensation of water.
- the waste materials mentioned can include, for example, nitrogen oxides (NO x) , sulfur oxides (SO x) and / or chlorine or other substances.
- FIG. 1 also shows a pump or conveying device 105 with which the carbon dioxide can be fed to a subsequent synthesis.
- the system 100 further comprises a device 104 for converting carbon dioxide and hydrogen to the described carbon-containing product.
- a further CO2 cleaning (CCg-R) can be carried out in order to provide carbon dioxide in a highly pure form for the synthesis of the product P.
- a remaining oxygen fraction O2 in particular, for example, from superstoichiometric oxyfuel combustion and / or from electrolysis can be used originating oxygen, to be converted to water H2O with the provided hydrogen H2 (this is indicated by the dashed case and with the reference symbol H2).
- the device 104 is in particular adapted or set up for the synthesis (same reference symbol “Synth” for the method step of implementing or synthesis in FIG. 1) of the carbon-containing, in particular hydrocarbon-based product.
- the device 104 can be designed to supply of hydrogen, in particular from (or produced by) PEM electrolysis to convert the separated or separated carbon dioxide to the carbon-containing product P.
- the carbon-containing product P can be methane, methanol, MTBE, DME, OME, Kerosene, petrol, diesel, comparable fuels or additives are products or waxes that are manufactured or can be manufactured by the Fischer-Tropsch synthesis. The products mentioned are of particular importance industrially or in particular for mobility purposes.
- synthesis gas for example a mixture of H 2 , CO and CO2
- H 2 , CO and CO2 the starting material
- the conversion of hydrogen and the carbon dioxide obtained by the process described can take place via the Sabatier process.
- renewable energies RES are preferably used as an energy source or for operating electrolysis, preferably water-based PEM electrolysis, in the context of the described method.
- the electrolysis method is identified by the reference symbol EL in FIG. 1.
- electrolysis products are known oxygen O2 (see upper part of Figure 1) and hydrogen H2 (see lower part of Figure 1).
- the products oxygen and hydrogen can, for example in the event of a sub-supply of renewable energy sources, also be temporarily stored in advance by known means, so that the combustion described (oxyfuel process) can be carried out predictably and continuously.
- oxygen path indicates that oxygen may be generated in excess and must be blown off, or may also advantageously be used for other purposes.
- a compressor in order to transport these substances accordingly, in particular to make the oxygen accessible for combustion and the hydrogen of the device 104, a compressor (see reference number 106 in FIG. 1) or another transport or compression means can be used.
- the aforementioned electrolysis which is supplied, for example, by the renewable energy RES with electrical energy EE, can optionally be carried out under increased pressure, so that the electrolysis products, oxygen Cg and hydrogen H 2 , are also present under increased pressure.
- oxygen Cg and hydrogen H 2 can be provided in compressed form after their electrolytic production.
- the pressures or overpressures mentioned can assume values between 20 and 80 bar or more.
- An essential aspect of the method described relates to the configuration that the energy E provided by the oxyfuel method, in particular exclusively, comprises heat C which can be made available for further purposes, for example as process heat for the separation of the carbon dioxide C0 2 , can be used for cleaning and / or for a synthesis or preparation of the carbon-containing product P.
- a CO 2 -based synthesis of, for example, methanol could include, for example, a reverse CO conversion or reverse water gas shift reaction (reverse water gas shift reaction (RWGS)) in a first step.
- RWGS reverse water gas shift reaction
- C0 2 is reacted with H 2 endothermic to CO and H 2 0.
- the resulting mixture of CO and H 2 corresponds, for example, to a classic synthesis gas
- the heat mentioned from the oxygen-based combustion can advantageously be used for the RWGS process described.
- the heat mentioned can also be used for a subsequent cogeneration.
- the energy E provided by the oxyfuel method can comprise electrical energy EE which is obtained as non-fluctuating energy, for example via a steam power process.
- the invention is not limited to these by the description based on the exemplary embodiments, but encompasses every new feature and every combination of features. This includes in particular any combination of features in the claims, even if this feature or this combination itself is not explicitly specified in the claims or exemplary embodiments.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Electrochemistry (AREA)
- Inorganic Chemistry (AREA)
- Metallurgy (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018213482.0A DE102018213482A1 (en) | 2018-08-10 | 2018-08-10 | Provision of carbon dioxide using oxygen-based combustion |
PCT/EP2019/070483 WO2020030470A1 (en) | 2018-08-10 | 2019-07-30 | Providing carbon dioxide by means of oxygen-based combustion |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3807233A1 true EP3807233A1 (en) | 2021-04-21 |
Family
ID=67620395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19752961.3A Pending EP3807233A1 (en) | 2018-08-10 | 2019-07-30 | Providing carbon dioxide by means of oxygen-based combustion |
Country Status (5)
Country | Link |
---|---|
US (1) | US11518724B2 (en) |
EP (1) | EP3807233A1 (en) |
CL (1) | CL2021000341A1 (en) |
DE (1) | DE102018213482A1 (en) |
WO (1) | WO2020030470A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113983484A (en) * | 2021-10-27 | 2022-01-28 | 西安西热锅炉环保工程有限公司 | Circulating system and method for preparing hydrogen-based derived fuel by coupling coal-fired unit with renewable energy |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012214907B4 (en) | 2012-08-22 | 2015-05-21 | Siemens Aktiengesellschaft | Steam power plant for generating electrical energy according to the oxyfuel process |
CN105392548B (en) | 2013-06-21 | 2017-03-08 | 西门子公司 | For from gas stream, the method that separates carbon dioxide especially from flue gas stream and the separation equipment for gas stream, carbon dioxide especially in flue gas stream |
EP2987769B1 (en) * | 2014-08-19 | 2020-02-05 | Basf Se | Method for the production of synthesis gas and of electrical energy |
WO2016161998A1 (en) * | 2015-04-08 | 2016-10-13 | Sunfire Gmbh | Production process and production system for producing methane / gaseous and/or liquid hydrocarbons |
DE102015226111A1 (en) | 2015-12-18 | 2017-06-22 | Zentrum für Sonnenenergie- und Wasserstoff-Forschung Baden-Württemberg Gemeinnützige Stiftung | Process for the production of carbon-based secondary fuels or basic chemicals |
-
2018
- 2018-08-10 DE DE102018213482.0A patent/DE102018213482A1/en not_active Withdrawn
-
2019
- 2019-07-30 US US17/265,536 patent/US11518724B2/en active Active
- 2019-07-30 WO PCT/EP2019/070483 patent/WO2020030470A1/en unknown
- 2019-07-30 EP EP19752961.3A patent/EP3807233A1/en active Pending
-
2021
- 2021-02-09 CL CL2021000341A patent/CL2021000341A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE102018213482A1 (en) | 2020-02-13 |
US20210292260A1 (en) | 2021-09-23 |
CL2021000341A1 (en) | 2021-09-03 |
WO2020030470A1 (en) | 2020-02-13 |
US11518724B2 (en) | 2022-12-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2501786B1 (en) | Thermal-chemical utilization of carbon-containing materials, in particular for the emission-free generation of energy | |
EP3019581B1 (en) | Methanation method and power plant comprising co2 methanation of power plant flue gas | |
EP3052435B1 (en) | Method for storing electric energy | |
DE102012103458B4 (en) | Plant and process for the ecological production and storage of electricity | |
EP2360230A1 (en) | Method and device for exploiting the emissions of a power plant | |
EP2310476A2 (en) | Device and method for the electrothermal-chemical gasification of biomass | |
EP3189122B1 (en) | Industrial production plant having minimal emission of greenhouse gases, in particular emission of carbon dioxide, and method for the operation thereof | |
DE102015226111A1 (en) | Process for the production of carbon-based secondary fuels or basic chemicals | |
WO2013034130A2 (en) | Ecological sequestration of carbon dioxide/increase of bio-energy obtainable through biomass | |
EP2867332A1 (en) | Method and device for storing electric energy | |
DE102015005940A1 (en) | Method for improving the integration of renewable energy sources into the existing energy system by converting electrical energy into chemical energy with intermediate storage of the liquefied CO, thereby achieving a reduction of the CO2 emission | |
WO2020030470A1 (en) | Providing carbon dioxide by means of oxygen-based combustion | |
DE102015218502A1 (en) | Steam turbine power plant with hydrogen combustion with the involvement of a gasification device | |
WO2014079921A1 (en) | Microbiological generation of biomethane with hydrogen from the thermal gasification of carbonaceous feedstocks | |
WO2018130535A1 (en) | Method and device for producing organic compounds from biogas | |
DE102019005452B4 (en) | Process for generating synthesis gas for the production of ammonia | |
EP1240274B1 (en) | Method for producing renewable combustible substances and fuels | |
EP2360231A1 (en) | Method and device for exploiting the emissions of an industrial assembly | |
DE102020210478A1 (en) | Process for hydrogen synthesis using heat from a heat network using a high-temperature electrolysis system | |
EP2130894A2 (en) | Use of carbon dioxide from combustion exhaust gases and solar-produced hydrogen for the creation of liquid fuels | |
DE102012008164A1 (en) | Generating and storing electrical energy in power plant, comprises burning synthesis gas in power plant to generate electrical energy in power supplying phase, and converting synthesis gas into methane by adding hydrogen in storage phase | |
AT518209A1 (en) | Combined heat generation combined with the production of liquid fuel dimethyl ether (DME) | |
EP3722462A1 (en) | Installation and method for storing electrical energy | |
EP2829513A1 (en) | Method for generating energy by using a combustion process with reduced CO2 emissions | |
DE102015217642A1 (en) | Process for the synthesis of a valuable substance |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20210118 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) |