WO2023088781A1 - Utilisation de dioxyde de carbone à partir d'air ambiant - Google Patents

Utilisation de dioxyde de carbone à partir d'air ambiant Download PDF

Info

Publication number
WO2023088781A1
WO2023088781A1 PCT/EP2022/081495 EP2022081495W WO2023088781A1 WO 2023088781 A1 WO2023088781 A1 WO 2023088781A1 EP 2022081495 W EP2022081495 W EP 2022081495W WO 2023088781 A1 WO2023088781 A1 WO 2023088781A1
Authority
WO
WIPO (PCT)
Prior art keywords
carbon dioxide
adsorber
unit
air flow
adsorption
Prior art date
Application number
PCT/EP2022/081495
Other languages
German (de)
English (en)
Inventor
Simone Müller-Hellwig
Hagen SEIFERT
Alexander Krajete
Original Assignee
Audi Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Audi Ag filed Critical Audi Ag
Priority to EP22817589.9A priority Critical patent/EP4433196A1/fr
Priority to CN202280076365.5A priority patent/CN118251265A/zh
Publication of WO2023088781A1 publication Critical patent/WO2023088781A1/fr

Links

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
    • B01D53/02—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 by adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0407—Constructional details of adsorbing systems
    • 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
    • B01D53/02—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 by adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0462—Temperature swing adsorption
    • 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
    • B01D53/02—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 by adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/047—Pressure swing adsorption
    • B01D53/0476—Vacuum pressure swing adsorption
    • 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
    • B01D53/26—Drying gases or vapours
    • B01D53/261—Drying gases or vapours by adsorption
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
    • 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

Definitions

  • the invention relates to the utilization of carbon dioxide contained in the ambient air.
  • a system and a process are presented with which the carbon dioxide can be separated and used.
  • Direct Air Capture is a process for extracting carbon dioxide (CO2) directly from the ambient air.
  • CO2 carbon dioxide
  • the basic principle is that ambient air flows through a filter that removes part of the CO2.
  • the result of the process is pure CO2, which can then be used for various purposes.
  • CO2 Possible uses of CO2 are the material use as a raw material, e.g. for the chemical industry, the production of CCh-neutral fuels (EE gas and e-fuels) and the geological storage of carbon dioxide, which can result in negative emissions.
  • the latter is known as Direct Air Carbon Capture and Storage (DACCS) and is intended to actively remove carbon dioxide from the atmosphere and store it permanently via CO2 capture and storage (Carbon Capture and Storage, CCS) in order to counteract global warming .
  • DACCS Direct Air Carbon Capture and Storage
  • the technique mostly comprises two steps, an adsorption step and a desorption step.
  • adsorption step air is passed over the adsorber, the CO2 from the air is bound to the adsorber, the remaining air components leave the adsorber cartridge.
  • the desorption step is performed.
  • the CO2 is expelled from the cartridge either by heat input or by inert gas; a slight vacuum can also be advantageous. Pure CO2 is obtained, which can now be used for various purposes or for final storage.
  • US 5,779,767 relates to a process for the adsorption of at least carbon dioxide, water and nitrogen oxides and acetylene from a gas stream, in which the gas is contacted with an adsorbent mixture of a zeolite and an alumina.
  • the process may be operated as a swing adsorption process in which the gas is contacted with the adsorbent at a first temperature and pressure to adsorb at least carbon dioxide, water and nitrogen oxides therefrom and the adsorbent by reducing the pressure and/or increasing the temperature is periodically regenerated.
  • EP 0 862 938 A discloses a pressure swing adsorption process for removing nitrogen oxides, carbon dioxide and water from gases.
  • the gas stream is passed through an alumina adsorbent and a zeolite adsorbent, preferably 13X zeolite, at elevated pressure.
  • the pressure swing adsorption process comprises the steps of: (a) adsorption of water, carbon dioxide and nitrogen oxides at elevated pressure; (b) countercurrent depressurization; (c) countercurrent purging with nitrous oxide-depleted gas; and (d) repressurizing with nitrous oxide depleted gas.
  • EP 1 101 521 A1 provides a multi-component adsorbent mixture that removes water, carbon dioxide and nitrogen oxides and/or hydrocarbons from air.
  • the mixture includes a third adsorbent that selectively adsorbs selected nitrogen oxides, hydrocarbons, or both.
  • the water vapor selective adsorbent is activated alumina.
  • the carbon dioxide selective adsorbent is zeolite 13X.
  • the third adsorbent is zeolite 5A, which selectively adsorbs nitrous oxide, ethylene and propane.
  • EP 0 766 989 A1 discloses a method for removing at least two contaminating gas components from a feed gas stream, comprising performing repeated operating cycles.
  • the feed gas stream is contacted in a feed direction at a first pressure and at a first temperature with a solid adsorbent capable of adsorbing a first of the impurity gas components more strongly and a second of the impurity gas components less strongly such that the first impurity gas component is adsorbed in an upstream portion of the adsorbent and the second impurity gas component is mainly adsorbed in a downstream portion of the adsorbent.
  • the feeding of the feed gas stream is stopped and the gas in contact with the adsorbent is depressurized to a second, lower pressure at which a regeneration gas at a second temperature, higher than the first temperature, is emitted in a direction opposite to the feeding direction of the feed gas stream in Contact with the adsorbent is fed to generate a heat pulse moving in the countercurrent direction to desorb the less strongly adsorbed second impurity gas component from the downstream (with respect to the feeding direction) section by thermal swing adsorption, while at the same time the more strongly adsorbed first impurity gas component is desorbed from the upstream (with respect to the feeding direction) section by pressure swing adsorption.
  • US 4,249,915 A discloses a process in which moisture and CO2 are removed from atmospheric air by adsorption in separate beds.
  • the moisture-laden bed is regenerated by pressure swing adsorption in a relatively short duty cycle, while the CO2-laden bed is thermally regenerated at significantly longer time intervals.
  • the process is used in connection with the pretreatment of air prior to cryogenic distillation to separate oxygen and nitrogen therein.
  • WO 2021/206 564 A1 describes a method and an arrangement for removing CO2 from ambient air or flue gases, wherein a pre-cooled flow of the air or gases is passed through a bed of CO2 adsorption material in a first direction, whereby CO2 is removed the flowing air or gas is adsorbed in the CO2 adsorbent bed.
  • a flow of warm fuel gas from a thermal storage unit is directed to the CO2 adsorbent bed in a second direction opposite to the first direction to transfer stored heat from the heat recovery unit to the CO2 adsorbent bed while simultaneously transferring cold from the adsorbent bed to the thermal storage.
  • the heating gas is then passed through the CO2 adsorbent bed in a closed loop, with CO2 being desorbed from the CO2 adsorbent bed.
  • the desorbed CO2 is extracted for use or storage, then a cooling gas flow is passed through the thermal storage unit and the CO2 adsorbent bed in the first direction, with low-temperature heat being transferred to the CO2 adsorbent bed and high-temperature heat being transferred from the CO2 adsorbent bed to the thermal storage unit.
  • the invention has set itself the task of providing a method and a system for reducing the concentration of carbon dioxide in the ambient air and for using the carbon dioxide removed from the ambient air, which are efficient, robust and inexpensive.
  • the subject matter of the invention is a method for the utilization of carbon dioxide contained in the ambient air.
  • the method according to the invention comprises the drying of an ambient air flow in a dehumidification unit, then the adsorption of carbon dioxide from the dried air flow in an adsorber unit, which contains an adsorber material for CO2, and then the desorption of adsorbed carbon dioxide from the adsorber unit, the adsorption of carbon dioxide being so is carried out for a long time until a termination criterion is reached, and then the desorption of carbon dioxide takes place.
  • the drying of the ambient air flow takes place in a two-stage process, which involves pre-drying of the air flow in a continuously operating electrically operated pre-dryer, which is a continuously operating adsorption dryer, and subsequent passage of the pre-dried air flow through a silica gel, molecular sieve 3A, sodium sulphate, magnesium sulphate, activated alumina or zeolite A comprising desiccant-filled drying device comprises.
  • the adsorption of carbon dioxide from the dried air flow takes place at atmospheric pressure and a temperature in the range from 20°C to 35°C, and for Desorption of adsorbed carbon dioxide from the adsorber unit, the adsorber material in the adsorber unit is heated to a temperature in the range from 100° C. to 300° C. and a negative pressure in the range from 10 to 50 mbar is generated in the adsorber unit.
  • Carbon dioxide (CO2) is adsorbed from the ambient air in a stationary adsorber unit.
  • a stream of ambient air is passed through a stationary adsorber unit.
  • the air flow is first dried, i.e. the water contained in the air flow is removed.
  • the drying takes place in a two-stage process.
  • the air flow is pre-dried by an electrically operated pre-dryer, which is a continuously operating adsorption dryer.
  • the pre-dryer works independently of the pressure and removes approx. 30 to 50% of the moisture contained in the air.
  • the pre-drying takes place at an air flow temperature of at most 20°C.
  • the pre-dried air is passed through a drying device filled with a drying agent in order to remove residual moisture.
  • the desiccant is selected from silica gel, molecular sieve 3A, sodium sulfate, magnesium sulfate, activated alumina and zeolite A.
  • the residual moisture content of the air flow after drying is less than 1 g/m 3 .
  • Carbon dioxide contained in the dried air flow is then adsorbed.
  • the adsorber unit is thus charged with CO2.
  • this step is carried out until a termination criterion is reached, for example until the carbon dioxide uptake capacity limit of the adsorber unit is reached.
  • this step is carried out until a predetermined period of time has elapsed. The air flowing out of the adsorber unit is depleted in carbon dioxide.
  • the adsorber unit contains an adsorber material that can bind carbon dioxide, and the carbon dioxide is th adsorber material adsorbed.
  • the adsorber material comprises at least one inorganic material from the class of aluminosilicates.
  • the adsorber material is a zeolite.
  • the adsorbent material comprises zeolite 13X or molecular sieve 13X or a modification thereof.
  • the adsorbent material is used in granular form.
  • the adsorbent material consists of particles with a grain size, i.e. an equivalent diameter, in the range from 1 to 5 mm.
  • the adsorber material is present as a bed in a filter module of the adsorber unit.
  • a container that is permeable to the air flow is filled with the adsorber material in a filter module of the adsorber unit.
  • the carbon dioxide is adsorbed at a temperature in the range from 20° C. to 35° C. at atmospheric pressure.
  • the drying of the air flow is particularly efficient at temperatures below 20°C.
  • the adsorption of carbon dioxide is also favored by low temperatures, since the process is exothermic.
  • the first step of the method according to the invention is carried out at normal pressure, so there is no compression of the ambient air flow introduced.
  • the air flow through the adsorber unit loaded with carbon dioxide is interrupted and the adsorbed carbon dioxide bound in the adsorber unit is then desorbed.
  • the predetermined period of time is from 2 hours to 5 hours, for example 4 hours.
  • the carbon dioxide is desorbed from the adsorber unit by heating the adsorber material in the adsorber unit and reducing the pressure. As a result, the adsorbed CO2 is converted into the gas phase and the filter module is regenerated. The CO2 separated from the adsorber unit is put to further use.
  • the duration of the desorption phase is from 1 hour to 3 hours, for example 2 hours.
  • the loaded adsorption material is heated to a temperature in the range from 100° C. to 300° C., for example 200° C. to 300° C., or 250° C. to 300° C., and a negative pressure in the range from 10 to 50 mbar (1,000 to 950 mbar absolute).
  • the loaded adsorption material is heated to a temperature in the range from 100° C. to 150° C. for desorption and an auxiliary gas is passed through the adsorber unit.
  • the auxiliary gas is ambient air.
  • the adsorber unit is filled with the auxiliary gas, then a negative pressure in the range of 10 to 50 mbar (1000 to 950 mbar absolute) is generated in the adsorber unit in order to suck off the released CO2 and the auxiliary gas.
  • the filling and suction is repeated several times, for example two or three times.
  • the adsorber unit is allowed to cool down to room temperature or the adsorber material is actively cooled.
  • a new phase of adsorption is started directly after the end of desorption, ie ambient air is passed through the adsorber unit again while it is cooling down.
  • the adsorber material has cooled down sufficiently, it binds CO2 from the ambient air flow again. In one embodiment, it takes about 1 hour for the first CO2 molecules to stick again.
  • the loaded drying agent is heated to a temperature in the range from 100° C. to 150° C., for example 100° C. to 120° C., and a negative pressure is created in the drying device in the range from 10 to 50 mbar (1000 to 950 mbar absolute). In one embodiment, the regeneration lasts from 45 minutes to 90 minutes, for example 1 hour.
  • this is carried out continuously, i.e. the adsorption step and desorption step take place alternately in succession.
  • the method according to the invention offers a number of advantages, in particular it can contribute to reducing environmental pollution and energy consumption.
  • the carbon dioxide is thus removed from the atmosphere or the ambient air of the adsorber unit.
  • significant amounts of carbon dioxide can be removed from the ambient air in polluted zones, e.g. on busy roads or in tunnels.
  • the carbon dioxide content of the air can be significantly reduced in tunnels.
  • the carbon dioxide contained in the ambient air e.g. from the exhaust gases of internal combustion engines, is made industrially usable by the method according to the invention, since it is available in concentrated form after desorption and is no longer diluted by the other air components.
  • the invention also relates to a system for utilizing carbon dioxide from the ambient air.
  • the system has an inflow opening which is fluidically connected to an outlet opening which has a blower or a fan so that an air duct is formed and air is sucked in from the environment and guided through a dehumidification unit and an adsorber unit.
  • the dehumidification unit is designed to dry an ambient air flow supplied to the system, and the adsorber unit is set up to bind carbon dioxide from the dried ambient air flow during an adsorption phase and release bound carbon dioxide during a desorption phase.
  • the system includes a desorption module which is set up to desorb carbon dioxide adsorbed in the adsorber unit from the latter.
  • the system comprises heating means to introduce heat into the adsorber unit during the desorption phase and negative pressure means to create a negative pressure in the adsorber unit during the desorption phase.
  • the dehumidification unit comprises a continuously operating, electrically operated pre-dryer, which is a continuously operating adsorption dryer, and a drying device downstream of this, which is filled with a desiccant comprising silica gel, molecular sieve 3A, sodium sulphate, magnesium sulphate, activated alumina or zeolite A.
  • the system has a stationary adsorber unit, which is set up to adsorb carbon dioxide from the ambient air, and a desorption module, which is set up to desorb carbon dioxide adsorbed in the adsorber unit from the latter.
  • the system is particularly suitable for carrying out the method according to the invention.
  • the system includes an adsorber unit that is set up to adsorb carbon dioxide (CO2) from the ambient air.
  • the adsorber unit comprises a housing with at least one inflow and outflow opening in the housing wall, a filter module inside the housing, which is fluidically connected to the inflow and outflow opening, so that an air duct is formed, and an air intake device, to suck in air from the environment and lead it through the filter module.
  • the air induction device is a fan.
  • the air intake device is a fan.
  • the air intake device is designed for a nominal air flow of 1,000 to 15,000 m 3 /h, for example 8,000 to 12,000 m 3 /h.
  • a blower power or fan power in the range of 1 to 15 kW is required for this.
  • a drying device or dehumidifying device is provided in the air duct of the adsorber unit, which removes water from the air flow before it enters the filter module. The drying of the air stream prevents the adsorption capacity of the adsorber material for carbon dioxide from being reduced by water loading.
  • the drying device comprises a continuously operating, electrically operated pre-dryer, which is a continuously operating adsorption dryer.
  • the pre-dryer has a power consumption in the range from 9 kW to 15 kW.
  • the drying device comprises, downstream of the pre-dryer, a unit with a desiccant that removes water from the air flow.
  • the desiccant is selected from silica gel, molecular sieve 3A, sodium sulphate, magnesium sulphate, activated alumina and zeolite A.
  • the adsorber unit contains an adsorber material which is set up to bind carbon dioxide (CO2) by adsorption.
  • the adsorber unit contains a CO2-binding agent based on aluminum silicate, which has an adsorption capacity for pre-dried CO2 of up to 20% by weight.
  • the adsorber material includes aluminosilicates, for example amorphous aluminum silicate.
  • the adsorber material is a zeolite.
  • the adsorbent material comprises zeolite 13X or molecular sieve 13X or a modification thereof.
  • the adsorbent material is used in granular form.
  • the adsorber material consists of particles with a grain size, ie an equivalent diameter, in the range from 1 to 5 mm.
  • the adsorber material is present as a bed in a filter module of the adsorber unit.
  • a container that is permeable to the air flow is filled with the adsorber material in a filter module of the adsorber unit.
  • a CO2 sensor is arranged at the outlet of the adsorber unit, which measures the CC content of the exiting gas stream. During the adsorption phase, the CC content of the exiting gas stream is very low. After the capacity limit of the adsorber material has been reached, the CC content of the exiting gas stream increases rapidly ("breakthrough"). The CO2 sensor therefore makes it possible to quickly and reliably detect when the capacity limit of the adsorber material has been reached.
  • the adsorber unit is a stationary system that is used in locations where high concentrations of carbon dioxide in the air occur, e.g. in urban areas, on busy roads or in tunnels.
  • the adsorber unit is mounted in a tunnel, e.g., on the tunnel ceiling. There can also be several adsorber units in one tunnel.
  • the stationary adsorber unit is arranged outside the tunnel and an air flow is sucked out of the inside of the tunnel via suitable devices, passed through the adsorber unit and then fed back into the tunnel.
  • the adsorber unit is designed for a nominal air flow of 1,000 to 15,000 m 3 /h, for example 8,000 to 12,000 m 3 /h. This requires a fan power in the range from 1 to 15 kW, in particular from 1 to 5 kW, for example from 2 to 3 kW.
  • the system according to the invention comprises a desorption module which is set up to desorb carbon dioxide adsorbed in the adsorber material from the latter.
  • the CO2 is released from the adsorber material saturated with CO2 through the combination of heat and slight negative pressure. Any impurities remain on the adsorber material.
  • the pure CO2 is extracted and leaves the desorption module almost without pressure. It can then be used directly.
  • the desorption module is set up to reduce the pressure in a filter module filled with an adsorber material and to heat the adsorber material and thereby desorb carbon dioxide from the filter module and suck it out of the filter module.
  • the desorption module is set up to introduce an auxiliary gas into a filter module filled with an adsorber material and to heat the adsorber material and thereby desorb carbon dioxide from the filter module and discharge it from the filter module.
  • FIG. 1 shows a schematic representation of an embodiment of the system according to the invention for the utilization of carbon dioxide.
  • FIG. 1 schematically shows an embodiment of the system 10 according to the invention for the utilization of carbon dioxide.
  • An air flow containing carbon dioxide is fed into the air inlet 11 of a dehumidification unit 12, which is set up to remove water from the air flow and contains, for example, a desiccant.
  • the dehumidification unit is preceded by an electrically operated pre-dryer.
  • the dried air stream is fed into an adsorber unit 13 which is set up to adsorb carbon dioxide (CO2) from the dried air stream and contains an adsorber material for carbon dioxide.
  • CO2 adsorb carbon dioxide
  • the one on Koh The air flow depleted in carbon dioxide leaves the adsorber unit 13 through an air outlet 14 equipped with a fan or blower.
  • adsorption of CO2 takes place in the adsorber unit 13.
  • the adsorber unit 13 is thereby charged with CO2 and can absorb CO2 up to the absorption limit of the adsorber unit.
  • a desorption module 15 is set up to generate a negative pressure in the adsorber unit 13 and to heat the adsorber material contained in the adsorber unit 13 . As a result, the adsorbed carbon dioxide is desorbed and sucked off. The CO2 goes into the gas phase, the adsorber material is regenerated.
  • the desorption module 15 is also set up to create a negative pressure in the dehumidification unit 12 and to heat the desiccant contained in the dehumidification unit 12 in order to regenerate the desiccant.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

L'invention concerne l'utilisation de dioxyde de carbone contenu dans l'air ambiant. L'invention concerne également un système et un procédé par lesquels le dioxyde de carbone peut être séparé et utilisé.
PCT/EP2022/081495 2021-11-17 2022-11-10 Utilisation de dioxyde de carbone à partir d'air ambiant WO2023088781A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP22817589.9A EP4433196A1 (fr) 2021-11-17 2022-11-10 Utilisation de dioxyde de carbone à partir d'air ambiant
CN202280076365.5A CN118251265A (zh) 2021-11-17 2022-11-10 来自环境空气的二氧化碳的利用

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021130002.9 2021-11-17
DE102021130002.9A DE102021130002A1 (de) 2021-11-17 2021-11-17 Verwertung von Kohlendioxid aus der Umgebungsluft

Publications (1)

Publication Number Publication Date
WO2023088781A1 true WO2023088781A1 (fr) 2023-05-25

Family

ID=84387668

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2022/081495 WO2023088781A1 (fr) 2021-11-17 2022-11-10 Utilisation de dioxyde de carbone à partir d'air ambiant

Country Status (4)

Country Link
EP (1) EP4433196A1 (fr)
CN (1) CN118251265A (fr)
DE (1) DE102021130002A1 (fr)
WO (1) WO2023088781A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023203013A1 (de) 2023-03-31 2024-10-02 Volkswagen Aktiengesellschaft Vorrichtung und Verfahren zum Trocknen von Luft oder einem Sorbenten in einer Anlage zur Abtrennung von Kohlenstoffdioxid aus der Umgebungsluft

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4249915A (en) 1979-05-30 1981-02-10 Air Products And Chemicals, Inc. Removal of water and carbon dioxide from air
EP0766989A1 (fr) 1995-10-04 1997-04-09 Air Products And Chemicals, Inc. Purification de gaz utilisant des adsorbants solides
US5779767A (en) 1997-03-07 1998-07-14 Air Products And Chemicals, Inc. Use of zeolites and alumina in adsorption processes
EP0862938A1 (fr) 1997-03-06 1998-09-09 Air Products And Chemicals, Inc. Procédé d'adsorption à pression alternée pour éliminer des oxydes d'azote, le dioxyde de carbone et l'eau de gaz
EP1101521A1 (fr) 1999-11-18 2001-05-23 The Boc Group, Inc. Purification d'un gaz d'alimentation
WO2021206564A1 (fr) 2020-04-07 2021-10-14 Greencap Solutions As Procédé et agencement pour capturer du dioxyde de carbone à partir d'un flux de gaz au moyen d'un système d'adsorption comprenant une unité de stockage et de récupération de chaleur

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4249915A (en) 1979-05-30 1981-02-10 Air Products And Chemicals, Inc. Removal of water and carbon dioxide from air
EP0766989A1 (fr) 1995-10-04 1997-04-09 Air Products And Chemicals, Inc. Purification de gaz utilisant des adsorbants solides
EP0862938A1 (fr) 1997-03-06 1998-09-09 Air Products And Chemicals, Inc. Procédé d'adsorption à pression alternée pour éliminer des oxydes d'azote, le dioxyde de carbone et l'eau de gaz
US5779767A (en) 1997-03-07 1998-07-14 Air Products And Chemicals, Inc. Use of zeolites and alumina in adsorption processes
EP1101521A1 (fr) 1999-11-18 2001-05-23 The Boc Group, Inc. Purification d'un gaz d'alimentation
WO2021206564A1 (fr) 2020-04-07 2021-10-14 Greencap Solutions As Procédé et agencement pour capturer du dioxyde de carbone à partir d'un flux de gaz au moyen d'un système d'adsorption comprenant une unité de stockage et de récupération de chaleur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SUZUKI MASAYA ET AL: "A New Amorphous Aluminum-Silicate : High Performance Adsorbent for Water Vapor and Carbon Dioxide", TRANSACTIONS OF THE MATERIALS RESEARCH SOCIETY OF JAPAN, vol. 34, no. 2, 31 January 2009 (2009-01-31), JP, pages 367 - 370, XP093022765, ISSN: 1382-3469, Retrieved from the Internet <URL:http://dx.doi.org/10.14723/tmrsj.34.367> [retrieved on 20230210], DOI: 10.14723/tmrsj.34.367 *

Also Published As

Publication number Publication date
DE102021130002A1 (de) 2023-05-17
CN118251265A (zh) 2024-06-25
EP4433196A1 (fr) 2024-09-25

Similar Documents

Publication Publication Date Title
US5198001A (en) Apparatus and process for removing organic compounds from a gas stream
DE69620288T2 (de) Verfahren zur Rückgewinnung flüchtiger organischer Substanzen
EP2438975B1 (fr) Procédé de séparation du dioxyde de carbone dans des installations de biogaz
US8460434B2 (en) Methane recovery from a landfill gas
CA2696777C (fr) Article pour extraire un composant d&#39;un ecoulement de fluide, procedes et systemes incluant cet article
DE2038746B2 (de) Verfahren zum Abtrennen von Kohlen dioxyd aus Gemischen mit nicht sauren Gasen
DE69116093T2 (de) Verfahren zur Entfernung von Wasser aus einer CO2 enthaltenden Rohstoff-Gasmischung und Vorrichtung zur Durchführung des Verfahrens
WO2018065179A1 (fr) Procédé et dispositif d&#39;épuration de gaz d&#39;échappement
WO2023088781A1 (fr) Utilisation de dioxyde de carbone à partir d&#39;air ambiant
CN114835142B (zh) 一种从工业窑炉尾气中回收二氧化碳并生产碳酸锂的方法
EP2364766A1 (fr) Procédé de suppression d&#39;humidité dans un flux gazeux
US20110139046A1 (en) Emissionless Oxyfuel Combustion Process and a Combustion System Using Such a Process
DE3935094C2 (fr)
CN210699395U (zh) 一种低温甲醇洗驰放气脱硫零排放系统
EP3768411B1 (fr) Procédé de séparation d&#39;un composant de gaz lourd à partir d&#39;un mélange gazeux
EP4433197A1 (fr) Valorisation du dioxyde de carbone issu de l&#39;air ambiant
AU773355B2 (en) Method for reclamation and/or separation of sulphur oxyfluorides from gas mixtures
DE3200910C2 (fr)
JPS59116115A (ja) 一酸化炭素の回収方法
CN219399545U (zh) 一种基于碳捕集的烟气深度处理系统
EP2540377A1 (fr) Procédé de nettoyage de gaz combustible riche en dioxyde de carbone
DE19744470A1 (de) Verfahren und Rückgewinnung von gasförmigen Stoffen aus flüchtige polare Stoffe enthaltenden Prozeßgasen
EP3781292B1 (fr) Utilisation d&#39;oxydes d&#39;azote présents dans l&#39;air ambiant
DE10009059A1 (de) Molekularsiebkohle
JP3439065B2 (ja) ガス処理方法およびその装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22817589

Country of ref document: EP

Kind code of ref document: A1

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
WWE Wipo information: entry into national phase

Ref document number: 202280076365.5

Country of ref document: CN

WWE Wipo information: entry into national phase

Ref document number: 2022817589

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2022817589

Country of ref document: EP

Effective date: 20240617