WO2014069796A1 - 순산소연소와 촉매전환공정을 연계한 융합형 이산화탄소 전환 시스템 - Google Patents
순산소연소와 촉매전환공정을 연계한 융합형 이산화탄소 전환 시스템 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C7/00—Combustion apparatus characterised by arrangements for air supply
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- 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
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- 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
- B01J12/00—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
- B01J12/007—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor in the presence of catalytically active bodies, e.g. porous plates
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- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2475—Membrane reactors
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0251—Physical processing only by making use of membranes
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
- C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
- C01B3/38—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
- F23L7/007—Supplying oxygen or oxygen-enriched air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/208—Hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2256/00—Main component in the product gas stream after treatment
- B01D2256/12—Oxygen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/102—Nitrogen
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
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- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00103—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor in a heat exchanger separate from the reactor
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
- C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
- C01B2203/0238—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a carbon dioxide reforming step
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/50—Carbon dioxide
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
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- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/32—Direct CO2 mitigation
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- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- 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
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
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- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Definitions
- the present invention relates to a carbon dioxide conversion system, and more particularly, to a fusion type carbon dioxide conversion system in conjunction with pure oxygen combustion and catalytic conversion process.
- the carbon dioxide conversion system is a system for capturing high concentrations of carbon dioxide as mentioned above.
- pure oxygen requires high concentrations of oxygen, and when oxygen is separated from air using an air separator (ASU, Air Seperation Unit), a lot of energy is consumed, resulting in lower overall system efficiency.
- ASU Air Seperation Unit
- the conventional oxy-fuel burner uses oxygen as an oxidant, and since the single flame temperature is higher than that when using air, steam is introduced to reduce the combustion temperature. In this case, there must be a heat source for generating steam as well as a separate pump work for driving the steam.
- the present invention has been proposed to solve the above problems, an ion conducting membrane (ITM: Ion Transfer Membrane) that separates oxygen from the air, a oxy-combustion unit for combustion using oxygen separated from the ITM as an oxidant, pure oxygen Converged carbon dioxide combined with pure oxygen combustion and catalytic conversion process consisting of a reformer that converts high concentration carbon dioxide produced through combustion reaction into synthesis gas (CO, H 2 ) and a synthesis unit that converts synthesis gas into methanol.
- ITM Ion Transfer Membrane
- the present invention provides a carbon dioxide conversion system incorporating an electrolytic and catalytic conversion process using pure oxygen combustion and renewable energy, further comprising an electrolytic reactor for converting carbon dioxide and water vapor into a synthetic gas by applying heat and electric energy.
- It also provides a carbon dioxide conversion system that converts the captured carbon dioxide into a new fuel or useful compound.
- the present invention provides an ion-conducting membrane which separates oxygen from air, a oxy-combustion unit for combusting using oxygen separated from the ion-conducting membrane as an oxidant, and oxy-combustion of the oxy-combustion unit. It provides a carbon dioxide conversion system including a dry-former (Dry-Reformer) for converting the carbon dioxide generated through the reaction and methane gas supplied from the outside to the carbon monoxide and hydrogen by a dry reforming reaction.
- a dry-former Dry-Reformer
- the present invention provides a carbon dioxide conversion system further comprising an electrolytic reactor for converting carbon dioxide and water vapor generated through the pure oxygen combustion reaction of the pure oxygen burner into carbon monoxide, hydrogen, and oxygen by applying heat and electric energy.
- the apparatus may further include a synthesizer for converting carbon monoxide and hydrogen generated in the dry-reformer or the co-electrolyzer into methanol, ketone, or carbonate.
- the apparatus may further include a mixer for mixing oxygen generated in the electrolyzer and oxygen separated from the ion conductive membrane, and supplying oxygen from the mixer to the pure oxygen combustion device.
- the present invention is an ion-conducting membrane that separates oxygen in the air, a pure oxygen burner for burning by using the oxygen separated from the ion conductive membrane as an oxidant, and carbon dioxide produced through the pure oxygen combustion reaction of the pure oxygen burner And it provides a carbon dioxide conversion system including a tri-former (Tri-Reformer) to convert carbon monoxide and hydrogen by triple reforming reaction of the steam, externally supplied methane gas, the oxygen separated from the ion conductive membrane.
- Tri-Reformer tri-former
- the present invention provides a carbon dioxide conversion system further comprising an electrolytic reactor for converting carbon dioxide and water vapor generated through the pure oxygen combustion reaction of the pure oxygen burner into carbon monoxide, hydrogen, and oxygen by applying heat and electric energy.
- it characterized in that it further comprises a synthesizer for converting the carbon monoxide and hydrogen generated in the tri-reformer or the co-electrolyzer to methanol, ketone or carbonate.
- the apparatus may further include a mixer for mixing oxygen generated in the electrolyzer and oxygen separated from the ion conductive membrane, and a three-way valve for supplying oxygen to the oxy-fuel burner or the tri-reformer from the mixer. It is done.
- the turbine by turning the turbine using the exhaust gas discharged from the oxy-fuel burner, it is characterized in that to produce electricity through a generator connected to the turbine.
- a first heat exchanger is attached to the rear end of the oxy-fuel burner to increase the temperature of the circulated fluid.
- the water vapor is separated from the exhaust gas passing through the turbine characterized in that it is supplied to the oxy-fuel combustion.
- the water vapor is separated from the exhaust gas discharged from the oxy-fuel burner and supplied to the tri-reformer and the oxy-fuel burner.
- the tri-reformer and the three-way valve for adjusting the flow rate of the water vapor supplied to the oxy-combustion is characterized in that it is further provided.
- the present invention includes an ion-conductive membrane for separating oxygen in the air, and an integrated reactor in which a dry-reformer is disposed on the outer wall of the oxy-fuel burner, and in the oxy-fuel burner of the integrated reactor, oxygen separated from the ion-conducting membrane.
- Combustion occurs using oxidant, and dry reformer of the integrated reactor converts carbon dioxide and methane gas supplied through the pure oxygen combustion reaction of the pure oxygen burner into dry carbon monoxide and hydrogen. It provides a carbon dioxide conversion system, characterized in that the giving.
- the present invention provides a carbon dioxide conversion system further comprising an electrolytic reactor for converting carbon dioxide and water vapor generated through the pure oxygen combustion reaction of the pure oxygen burner into carbon monoxide, hydrogen, and oxygen by applying heat and electric energy.
- the apparatus may further include a synthesizer for converting carbon monoxide and hydrogen generated in the dry-reformer or the co-electrolyzer into methanol, ketone, or carbonate.
- the apparatus may further include a mixer for mixing oxygen generated in the electrolyzer and oxygen separated from the ion conductive membrane, and supplying oxygen from the mixer to the pure oxygen combustion device.
- the present invention also includes an ion conductive membrane for separating oxygen from the air, and an integrated reactor in which a tri-reformer is disposed on an outer wall of the pure oxygen burner, and in the pure oxygen burner of the integrated reactor, oxygen separated from the ion conductive membrane. Combustion occurs using the oxidant, and in the tri-reformer of the integrated reactor, carbon dioxide and water vapor generated through the pure oxygen combustion reaction of the oxy-fuel burner, methane gas supplied from the outside, and oxygen separated from the ion conductive membrane It provides a carbon dioxide conversion system characterized in that the conversion to carbon monoxide and hydrogen by a triple reforming reaction.
- the present invention provides a carbon dioxide conversion system further comprising an electrolytic reactor for converting carbon dioxide and water vapor generated through the pure oxygen combustion reaction of the pure oxygen burner into carbon monoxide, hydrogen, and oxygen by applying heat and electric energy.
- it characterized in that it further comprises a synthesizer for converting the carbon monoxide and hydrogen generated in the tri-reformer or the co-electrolyzer to methanol, ketone or carbonate.
- the apparatus may further include a mixer for mixing oxygen generated in the electrolyzer and oxygen separated from the ion conductive membrane, and a three-way valve for supplying oxygen from the mixer to a oxy-fuel burner or a tri-reformer. do.
- the turbine by turning the turbine using the exhaust gas discharged from the oxy-fuel burner, it is characterized in that to produce electricity through a generator connected to the turbine.
- the water vapor is separated from the exhaust gas discharged from the oxy-fuel burner and supplied to the oxy-fuel burner, characterized in that it further comprises a three-way valve to adjust the flow rate of the steam.
- the water vapor is separated from the exhaust gas discharged from the oxy-fuel burner and supplied to the tri-reformer and the oxy-fuel burner.
- the tri-reformer and the three-way valve for adjusting the flow rate of the water vapor supplied to the oxy-combustion is characterized in that it is further provided.
- the oxygen production cost is reduced compared to the ASU that separates oxygen from the air using ITM in terms of oxygen production, thereby improving the system efficiency.
- Synthetic gas converted from the reformer can be converted and synthesized into a new fuel or useful compound such as methanol, ketone, carbonate, etc. through an additional process, and thus can be utilized for various purposes.
- the carbon dioxide conversion system according to the present invention by integrating the tri- reformer or dry reformer on the outer wall of the oxy-fuel burner, it is possible to transfer the heat loss to the outer wall of the oxy-fuel burner to the tri-reformer or dry-reformer Since the inflow of water vapor is unnecessary or the amount thereof can be reduced, energy consumption for generating and driving water vapor is reduced.
- FIG. 1 is a schematic diagram of a pure oxygen combustion system using a conventional ASU.
- FIGS. 2 to 9 are schematic diagrams of a fusion type carbon dioxide conversion system incorporating pure oxygen combustion and catalytic conversion processes or incorporating electrolytic and catalytic conversion processes using pure oxygen combustion and renewable energy.
- Figure 1 shows a pure oxygen combustion system using a conventional ASU, the system is largely oxy-combustion (1), ASU (2), turbine (3), heat exchanger (4), heater (5), blower ( 6) and generator 7.
- a combustion reaction takes place using the separated oxygen as an oxidant, and the exhaust gas discharged from the oxy-fuel burner (1) becomes carbon dioxide and water vapor as main components.
- the exhaust gas is used to drive the turbine 3 and produce electricity in the generator 7 connected to the same axis as the turbine 3.
- the exhaust gas passing through the turbine 3 is separated into carbon dioxide and water vapor by the heater 5, and the separated water vapor is sent to the heat exchanger 4 by the blower 7.
- the high temperature water vapor passed through the heat exchanger (4) is subjected to the process of being recycled back to the oxy-fuel (1).
- the conventional system described above uses an ASU 2 that separates oxygen from the inflowing air, and there is a problem in that energy is consumed in the process of separating oxygen, thereby lowering the overall system efficiency.
- FIG. 2 shows a system configuration of the first embodiment according to the present invention.
- Example 1 is largely, ITM 20 for separating oxygen from air, oxy-fuel burner 10 for burning using oxygen separated from ITM 20 as an oxidant, and high concentration of carbon dioxide produced through pure oxygen combustion reaction It is composed of a dry reformer (15) for converting the synthesis gas (CO, H 2 ), and a synthesizer (50) for converting the synthesis gas into methanol and the like.
- the reaction temperature of oxygen separation in the ITM 20 is about 850 ° C.
- the operating pressure is about 1 bar
- the temperature of the supplied air is increased by passing through a separate heat exchanger or a heater 21 is installed outside the ITM 20. Can be used.
- Oxygen combustion reaction is the same as the above formula (1), but the exhaust of the oxygen, oxy-combustor 10 separated from the natural gas (CH 4 ) and ITM (20) supplied from the outside to the pure-oxygen combustor (10) When the water vapor (H 2 O) separated from the gas is circulated to perform a combustion reaction, carbon dioxide and water vapor are generated as exhaust gas.
- the discharged exhaust gas drives the turbine 12 through the first heat exchanger 11, and the generator 13 connected to the same axis as the turbine 12 produces electricity.
- the exhaust gas passing through the turbine 12 passes through the second heat exchanger 30, and the exhaust gas flow passing through the second heat exchanger 30 is separated into carbon dioxide and water vapor by the heater 31.
- the separated carbon dioxide is heated in the first heat exchanger 11 and supplied to the dry-reformer 15.
- the separated steam is sent to the second heat exchanger 30 by the blower 32, the temperature is heated up in the second heat exchanger 30 and supplied to the oxy-fuel burner (10).
- Three-way valve 34 may be attached to adjust the amount of water vapor supplied to the oxy-fuel burner (10). The three-way valve 34 to adjust the amount of water vapor flowing into the oxy-fuel burner 10 to adjust the system efficiency.
- the dry-reformer 15 has an operating temperature of about 700 ° C. and an operating pressure of 1 bar, and the carbon dioxide supplied is circulated by separating carbon dioxide from the exhaust gas discharged from the oxy-fuel burner 10 as described above. The temperature is raised in the heat exchanger 11 and supplied to the dry reformer 15.
- the dry reforming reaction (Dry-Reforming), such as the formula (2) occurs.
- the dry reforming reaction as shown in Equation (2) is a reaction of generating 2 mol of carbon monoxide and 2 mol of hydrogen after reforming by receiving 1 mol of methane and 1 mol of carbon dioxide.
- the dry-reformer 15 generates carbon monoxide and hydrogen by using carbon dioxide generated from a natural gas and pure oxygen combustion reaction from the outside.
- Carbon monoxide and hydrogen generated in the dry-reformer 15 may be converted and synthesized through a synthesizer 50 into new fuels or useful chemicals such as methanol or ketone or carbonate.
- the synthesizer 50 may be installed at the rear end of the dry reformer 15.
- FIG 3 shows a system configuration of a second embodiment according to the present invention.
- Embodiment 2 further includes an electrolyzer 60 for converting carbon dioxide and water vapor into syngas and oxygen by applying heat and electric energy in Embodiment 1 as described above.
- Exhaust gas composed of carbon dioxide and water vapor discharged from the oxy-fuel burner 10 drives the turbine 12 via the first heat exchanger 11, and a generator 13 connected to the turbine 12 on the same axis is electrically powered. Will produce.
- the exhaust gas passing through the turbine 12 branches into the flow from the three-way valve 61 to the second heat exchanger 30 and the flow to the idler 60.
- Electrolytic process refers to a process that converts into syngas and oxygen by applying heat and electric energy. As described above, the electrolysis process requires heat and electric energy, and thus, surplus power and heat energy from late-night power or renewable energy may be used.
- Electric power from renewable energy such as wind power and solar power can also be subjected to the electrostatic process in the same way as the method using the midnight power.
- the resonator 60 if the resonator 60 is used, the discarded electric power can be used, and oxygen is additionally produced in addition to the syngas as a product, thereby reducing the amount of oxygen that must be produced in the ITM 20, and thus, relatively ITM (20). Can also reduce energy consumption.
- Oxygen produced in the electrolyzer 60 is mixed with oxygen separated in the ITM 20 in the mixer 62 and supplied to the oxyfuel burner 10.
- carbon monoxide and hydrogen generated in the dry-former (15) or the electrolyzer (60) is a new fuel or useful chemicals such as methanol or ketone or carbonate through the synthesizer (50) Can be converted and synthesized.
- the synthesizer 50 may be installed at the rear end of the dry reformer 15 or the resonator 60.
- FIG 4 shows a system configuration of a third embodiment according to the present invention.
- Example 3 is largely the ITM 20 which separates oxygen from the air, the oxy-fuel burner 10 which burns using the oxygen separated in the ITM 20 as an oxidant, and the high concentration of carbon dioxide produced through the oxy-fuel combustion reaction. And water vapor, natural gas supplied from the outside, tri-reformer 16 for converting oxygen separated from ITM 20 into syngas (CO, H 2 ), and a synthesizer for converting syngas into methanol and the like ( 50).
- Example 3 Unlike Examples 1 and 2, in Example 3, a triple reforming reaction is performed, and the triple reforming reaction shows a reaction formula as in Equation (3).
- the triple reforming reaction must introduce additional oxygen and water vapor, unlike the dry reforming reaction, which only introduces carbon dioxide and natural gas.
- the oxygen separated from the ITM 20 to introduce the oxygen is controlled to be introduced into the oxy-fuel burner 10 or the tri-reformer 16 by the three-way valve 35.
- the oxy-oxygen combustion reaction as in Equation (1) is carried out, and the exhaust gas discharged is transferred to the first heat exchanger 11.
- the exhaust gas passing through the first heat exchanger 11 drives the turbine 12, and generates electricity in the generator 13 connected to the turbine 12 in the same axis.
- the exhaust gas passing through the turbine 12 passes through the second heat exchanger 30 again, and the exhaust gas flow passed through the second heat exchanger 30 is separated into carbon dioxide and water vapor by the heater 31. .
- the separated water vapor is introduced into the second heat exchanger (30) by the blower (32), and after the temperature is raised, the flow is regulated in the direction of the oxy-fuel burner (10) or the tri-reformer (16) in the three-way valve (34). do.
- the tri-reformer 16 is operated at a temperature and pressure higher than the dry-reformer 15 mentioned in Examples 1 and 2 with an operating temperature of about 800 to 900 ° C. and an operating pressure of 5 bar. In (11), the water vapor and carbon dioxide should be sufficiently heated and then supplied to the tri-reformer 16.
- the temperature of the oxygen separated in the ITM 20 may be supplied without passing through a heat exchanger in approximately 850 ° C. which is a reaction temperature of the tree reforming.
- Carbon monoxide and hydrogen produced in the tri-reformer 16 may be converted and synthesized through the synthesizer 50 into new fuels or useful chemicals such as methanol or ketone or carbonate.
- FIG 5 shows a system configuration of a fourth embodiment according to the present invention.
- Embodiment 4 further includes an electrolyzer 60 for converting carbon dioxide and water vapor into syngas and oxygen by applying heat and electric energy.
- the exhaust gas passing through the turbine 12 branches into the flow from the three-way valve 61 to the second heat exchanger 30 and the flow to the idler 60.
- the flow to the resonator 60 undergoes a coelectrolysis process in which carbon dioxide and water vapor in the exhaust gas are electrolyzed and converted into syngas and oxygen.
- Oxygen produced in the electrolyzer 60 is mixed with oxygen separated in the ITM 20 in the mixer 62 and fed to the oxy-fuel burner 10 or the tri-reformer 16 by a three-way valve 35. Supplied.
- Carbon monoxide and hydrogen generated in the tri-reformer (16) or electrolyzer (60) are converted to new fuels or useful chemicals such as methanol or ketone or carbonate through the synthesizer (50). And synthetic.
- FIG. 6 shows a system configuration of a fifth embodiment according to the present invention.
- Example 5 largely converts the high concentration of carbon dioxide produced by the pure oxygen combustion reaction on the outer wall of the ITM 20, the pure oxygen burner 10 to separate the oxygen in the air to the synthesis gas (CO, H 2 ) And an integrated reactor 40 in which the dry-reformer 41 is disposed, and a synthesizer 50 for converting the synthesis gas into methanol or the like.
- the integrated reactor 40 was introduced into the system by integrating the dry reformer 41 on the outer wall of the cylindrical oxy-fuel burner 10.
- the heat generated from the oxy-fuel burner 10 is transferred to the dry-reformer 41 to lower the adiabatic flame temperature of the oxy-fuel burner 10, so that the amount of water vapor introduced compared to the conventional oxy-fuel burner is increased.
- the power consumption of the pump and heat to generate water vapor can be reduced, and the configuration of the system can be simplified.
- the oxy-fuel burner 10 discharges carbon dioxide and water vapor (or oxygen) as exhaust gas after the reaction as shown in Equation (1).
- the discharged exhaust gas drives the turbine 12, and generates electricity in the generator 13 connected to the same axis as the turbine 12.
- the exhaust gas passing through the turbine 12 passes through the second heat exchanger 30, and is separated into carbon dioxide and water vapor by the heater 31.
- the separated water vapor flows back into the second heat exchanger 30 by the blower 32, and after being heated up, is circulated to the oxy-fuel burner 10 again.
- the flow rate may be adjusted in the three-way valve 34 before entering the oxy-fuel burner 10.
- the separated carbon dioxide is supplied to the dry reformer 41, and the supplied carbon dioxide and natural gas introduced from the outside generate syngas (carbon monoxide, hydrogen) through a dry reforming reaction of Equation (2).
- Carbon monoxide and hydrogen produced in the dry-reformer 41 may be converted and synthesized through a synthesizer 50 into new fuels or useful chemicals such as methanol or ketone or carbonate.
- FIG. 7 shows a system configuration of a sixth embodiment according to the present invention.
- the sixth embodiment further includes an electrolyzer 60 for converting carbon dioxide and water vapor into syngas and oxygen by applying heat and electric energy in the fifth embodiment.
- the exhaust gas having passed through the turbine 12 is branched into a flow to the idler 60 and a flow to the second heat exchanger 30 by the three-way valve 61.
- the flow to the resonator 60 undergoes a coelectrolysis process in which carbon dioxide and water vapor in the exhaust gas are electrolyzed and converted into syngas and oxygen.
- Oxygen produced in the electrolyzer 60 is mixed with oxygen separated in the ITM 20 in the mixer 62 and supplied to the oxyfuel burner 10.
- Carbon monoxide and hydrogen produced in the dry-reformer (41) or the electrolyzer (60) are converted to new fuels or useful chemicals such as methanol or ketone or carbonate through the synthesizer (50). And synthetic.
- FIG 8 shows a system configuration of a seventh embodiment according to the present invention.
- Example 7 the ITM 20 which separates oxygen in the air, the integrated reactor 40 having the tri-reformer 42 disposed on the outer wall of the oxy-fuel burner 10, and the synthesis gas are converted into methanol or the like.
- the note is composed of a synthesizer 50 and the like.
- the oxygen separated in the ITM 20 is supplied to the oxy-fuel burner 10 or the tri-reformer 42 by the three-way valve 22.
- Oxygen separated from the ITM 20 is subjected to pure oxygen combustion in the pure oxygen combustion unit 10 as an oxidant, and carbon dioxide and water vapor (or oxygen) are discharged as exhaust gas.
- the exhaust gas may drive the turbine 12 and produce electricity by the generator 13 coaxial with the turbine 12.
- the exhaust gas passing through the turbine 12 passes through the second heat exchanger 30, and the exhaust gas flow passing through the second heat exchanger 30 is separated into carbon dioxide and water vapor by the heater 31.
- the separated carbon dioxide is supplied to the tri-reformer 42 to undergo the triple reforming reaction shown in Equation (3).
- the separated steam is introduced into the second heat exchanger 30 again by the blower 32, and the steam heated up in the second heat exchanger 30 flows in the direction of the tri-reformer 42 or the oxy-fuel burner 10. do.
- Three-way valve 34 for adjusting the flow may be further provided.
- the triple reforming reaction occurs in the tri-reformer 42.
- the reforming reaction is supplied by receiving natural gas and carbon dioxide separated from the heater 31, water vapor passing through the first heat exchanger, and oxygen separated from the ITM 20. This is done. Unlike the dry reforming reactions shown in Examples 5 and 6, the triple reforming reaction additionally required the supply of water vapor and oxygen to form a flow as in the present system.
- Carbon monoxide and hydrogen generated in the tri-reformer 42 may be converted and synthesized through the synthesizer 50 into new fuels or useful chemicals such as methanol or ketone or carbonate.
- FIG. 9 shows a system configuration of an eighth embodiment according to the present invention.
- the eighth embodiment further includes an electrolyzer 60 for converting carbon dioxide and water vapor into syngas and oxygen by applying heat and electric energy in the seventh embodiment.
- the exhaust gas passing through the turbine 12 branches into the flow from the three-way valve 61 to the second heat exchanger 30 and the flow to the idler 60.
- the flow to the resonator 60 undergoes a coelectrolysis process in which carbon dioxide and water vapor in the exhaust gas are electrolyzed and converted into syngas and oxygen.
- Oxygen produced in the electrolyzer 60 is mixed with oxygen separated in the ITM 20 in the mixer 62 and fed to the oxy-fuel burner 10 or the tri-reformer 42 by the three-way valve 35. Supplied.
- Carbon monoxide and hydrogen generated in the tri-reformer 42 or the electrolyzer 60 are converted to a new fuel or useful chemical such as methanol or ketone or carbonate through the synthesizer 50. And synthetic.
- the oxygen production cost is reduced compared to the ASU that separates oxygen from the air using ITM in terms of oxygen production, thereby improving the system efficiency.
- Synthetic gas converted from the reformer can be converted and synthesized into a new fuel or useful compound such as methanol, ketone, carbonate, etc. through an additional process, and thus can be utilized for various purposes.
- the carbon dioxide conversion system according to the present invention by integrating the tri-reformer or dry-reformer on the outer wall of the oxy-fuel burner, it is possible to transfer the heat loss to the outer wall of the oxy-fuel burner to the tri-reformer or dry-reformer Since the inflow of water vapor is unnecessary or the amount thereof can be reduced, energy consumption for generating and driving water vapor is reduced.
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Abstract
Description
Claims (25)
- 공기 중 산소를 분리하는 이온 전도성 멤브레인;상기 이온 전도성 멤브레인에서 분리된 산소를 산화제로 사용하여 연소시키는 순산소연소기; 및상기 순산소연소기의 순산소연소반응을 통하여 생성된 이산화탄소와 외부에서 공급되는 메탄가스를 드라이 개질반응하여 일산화탄소와 수소로 전환시켜주는 드라이-리포머(Dry-Reformer)를 포함하는 이산화탄소 전환 시스템.
- 제 1 항에서,열과 전기에너지를 가하여 상기 순산소연소기의 순산소연소반응을 통하여 생성된 이산화탄소와 수증기를 일산화탄소, 수소, 및 산소로 전환해주는 공전해기를 더 포함하는 이산화탄소 전환 시스템.
- 제 2 항에서,상기 드라이-리포머 또는 상기 공전해기에서 생성된 일산화탄소와 수소를 메탄올, 케톤 또는 카보네이트 등으로 변환시켜주는 합성기를 더 포함하는 것을 특징으로 하는 이산화탄소 전환 시스템.
- 제 2 항에서,상기 공전해기에서 생성된 산소와 상기 이온 전도성 멤브레인에서 분리된 산소를 혼합하는 혼합기를 더 포함하고, 상기 혼합기에서 순산소연소기로 산소를 공급해주는 것을 특징으로 하는 이산화탄소 전환 시스템.
- 공기 중 산소를 분리하는 이온 전도성 멤브레인;상기 이온 전도성 멤브레인에서 분리된 산소를 산화제로 사용하여 연소시키는 순산소연소기; 및상기 순산소연소기의 순산소연소반응을 통하여 생성된 이산화탄소와 수증기, 외부에서 공급되는 메탄가스, 상기 이온 전도성 멤브레인에서 분리된 산소를 삼중 개질반응하여 일산화탄소와 수소로 전환시켜주는 트리-리포머(Tri-Reformer)를 포함하는 이산화탄소 전환 시스템.
- 제 5 항에서,열과 전기에너지를 가하여 상기 순산소연소기의 순산소연소반응을 통하여 생성된 이산화탄소와 수증기를 일산화탄소, 수소, 및 산소로 전환해주는 공전해기를 더 포함하는 이산화탄소 전환 시스템.
- 제 6 항에서,상기 트리-리포머 또는 상기 공전해기에서 생성된 일산화탄소와 수소를 메탄올, 케톤 또는 카보네이트 등으로 변환시켜주는 합성기를 더 포함하는 것을 특징으로 하는 이산화탄소 전환 시스템.
- 제 6 항에서,상기 공전해기에서 생성된 산소와 상기 이온 전도성 멤브레인에서 분리된 산소를 혼합하는 혼합기; 및상기 혼합기에서 순산소연소기 또는 트리-리포머로 산소를 공급해주기 위한 삼방밸브를 더 포함하는 것을 특징으로 하는 이산화탄소 전환 시스템.
- 제 1 항 내지 제 8 항 중 어느 하나의 항에서,상기 순산소연소기에서 배출되는 배기가스를 이용하여 터빈을 돌리고, 상기 터빈에 연결된 발전기를 통해서 전기를 생산하는 것을 특징으로 하는 이산화탄소 전환 시스템.
- 제 1 항 내지 제 8 항 중 어느 하나의 항에서,상기 순산소연소기의 후단에 제 1 열교환기를 달아서 순환되는 유체를 승온시켜주는 것을 특징으로 하는 이산화탄소 전환 시스템.
- 제 9 항에서,상기 터빈을 통과한 배기가스에서 수증기를 분리하여 상기 순산소연소기로 공급해주는 것을 특징으로 하는 이산화탄소 전환 시스템.
- 제 5 항 내지 제 8 항 중 어느 하나의 항에서,상기 순산소연소기에서 배출되는 배기가스에서 수증기를 분리하여 상기 트리-리포머 및 상기 순산소연소기에 공급해주는 것을 특징으로 하는 이산화탄소 전환 시스템.
- 제 12 항에서,상기 트리-리포머 및 상기 순산소연소기로 공급되는 수증기의 유량을 조절해주는 삼방밸브가 더 구비되는 것을 특징으로 하는 이산화탄소 전환 시스템.
- 공기 중 산소를 분리하는 이온 전도성 멤브레인; 및순산소연소기의 외벽에 드라이-리포머를 배치시킨 통합반응기를 포함하며,상기 통합반응기의 순산소연소기에서는 상기 이온 전도성 멤브레인에서 분리된 산소를 산화제로 사용하여 연소반응이 일어나고,상기 통합반응기의 드라이-리포머에서는 상기 순산소연소기의 순산소연소반응을 통하여 생성된 이산화탄소와 외부에서 공급되는 메탄가스를 드라이 개질반응하여 일산화탄소와 수소로 전환시켜주는 것을 특징으로 하는 이산화탄소 전환 시스템.
- 제 14 항에서,열과 전기에너지를 가하여 상기 순산소연소기의 순산소연소반응을 통하여 생성된 이산화탄소와 수증기를 일산화탄소, 수소, 및 산소로 전환해주는 공전해기를 더 포함하는 이산화탄소 전환 시스템.
- 제 15 항에서,상기 드라이-리포머 또는 상기 공전해기에서 생성된 일산화탄소와 수소를 메탄올, 케톤 또는 카보네이트 등으로 변환시켜주는 합성기를 더 포함하는 것을 특징으로 하는 이산화탄소 전환 시스템.
- 제 15 항에서,상기 공전해기에서 생성된 산소와 상기 이온 전도성 멤브레인에서 분리된 산소를 혼합하는 혼합기를 더 포함하고, 상기 혼합기에서 순산소연소기로 산소를 공급해주는 것을 특징으로 하는 이산화탄소 전환 시스템.
- 공기 중 산소를 분리하는 이온 전도성 멤브레인; 및순산소연소기의 외벽에 트리-리포머를 배치시킨 통합반응기를 포함하며,상기 통합반응기의 순산소연소기에서는 상기 이온 전도성 멤브레인에서 분리된 산소를 산화제로 사용하여 연소반응이 일어나고,상기 통합반응기의 트리-리포머에서는 상기 순산소연소기의 순산소연소반응을 통하여 생성된 이산화탄소와 수증기, 외부에서 공급되는 메탄가스, 상기 이온 전도성 멤브레인에서 분리된 산소를 삼중 개질반응하여 일산화탄소와 수소로 전환시켜주는 것을 특징으로 하는 이산화탄소 전환 시스템.
- 제 18 항에서,열과 전기에너지를 가하여 상기 순산소연소기의 순산소연소반응을 통하여 생성된 이산화탄소와 수증기를 일산화탄소, 수소, 및 산소로 전환해주는 공전해기를 더 포함하는 이산화탄소 전환 시스템.
- 제 19 항에서,상기 트리-리포머 또는 상기 공전해기에서 생성된 일산화탄소와 수소를 메탄올, 케톤 또는 카보네이트 등으로 변환시켜주는 합성기를 더 포함하는 것을 특징으로 하는 이산화탄소 전환 시스템.
- 제 19 항에서,상기 공전해기에서 생성된 산소와 상기 이온 전도성 멤브레인에서 분리된 산소를 혼합하는 혼합기; 및상기 혼합기에서 순산소연소기 또는 트리-리포머로 산소를 공급해주기 위한 삼방밸브를 더 포함하는 것을 특징으로 하는 이산화탄소 전환 시스템.
- 제 14 항 내지 제 21 항 중 어느 하나의 항에서,상기 순산소연소기에서 배출되는 배기가스를 이용하여 터빈을 돌리고, 상기 터빈에 연결된 발전기를 통해서 전기를 생산하는 것을 특징으로 하는 이산화탄소 전환 시스템.
- 제 14 항 내지 제 17 항 중 어느 하나의 항에서,상기 순산소연소기에서 배출되는 배기가스에서 수증기를 분리하여 상기 순산소연소기로 공급해주며, 상기 수증기의 유량을 조절하기 위해서 삼방밸브를 더 구비하는 것을 특징으로 하는 이산화탄소 전환 시스템.
- 제 18 항 내지 제 21 항 중 어느 하나의 항에서,상기 순산소연소기에서 배출되는 배기가스에서 수증기를 분리하여 상기 트리-리포머 및 상기 순산소연소기에 공급해주는 것을 특징으로 하는 이산화탄소 전환 시스템.
- 제 24 항에서,상기 트리-리포머 및 상기 순산소연소기로 공급되는 수증기의 유량을 조절해주는 삼방밸브가 더 구비되는 것을 특징으로 하는 이산화탄소 전환 시스템.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US14/439,414 US10180253B2 (en) | 2012-10-31 | 2013-09-30 | Integrated carbon dioxide conversion system for connecting oxyfuel combustion and catalytic conversion process |
EP13850853.6A EP2915779B1 (en) | 2012-10-31 | 2013-09-30 | Integrated carbon dioxide conversion system for connecting oxy-fuel combustion and catalytic conversion process |
JP2015540591A JP6078655B2 (ja) | 2012-10-31 | 2013-09-30 | 純酸素燃焼と触媒転換工程を連携した融合型二酸化炭素転換システム |
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KR1020120122681A KR101379377B1 (ko) | 2012-10-31 | 2012-10-31 | 순산소연소와 신재생에너지를 이용한 공전해 및 촉매전환공정을 연계한 융합형 이산화탄소 전환 시스템 |
KR1020120122682A KR101460748B1 (ko) | 2012-10-31 | 2012-10-31 | 순산소연소와 촉매전환 공정을 연계한 융합형 이산화탄소 전환 시스템 |
KR10-2012-0122682 | 2012-10-31 | ||
KR10-2012-0122681 | 2012-10-31 |
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EP2915779B1 (en) | 2019-11-06 |
US10180253B2 (en) | 2019-01-15 |
EP2915779A1 (en) | 2015-09-09 |
JP6078655B2 (ja) | 2017-02-08 |
JP2015536894A (ja) | 2015-12-24 |
US20150308676A1 (en) | 2015-10-29 |
EP2915779A4 (en) | 2017-01-25 |
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