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WO2014073004A2 - Système d'élimination de dioxyde de carbone - Google Patents

Système d'élimination de dioxyde de carbone Download PDF

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Publication number
WO2014073004A2
WO2014073004A2 PCT/IN2013/000689 IN2013000689W WO2014073004A2 WO 2014073004 A2 WO2014073004 A2 WO 2014073004A2 IN 2013000689 W IN2013000689 W IN 2013000689W WO 2014073004 A2 WO2014073004 A2 WO 2014073004A2
Authority
WO
WIPO (PCT)
Prior art keywords
bed
beds
sorbent
carbon dioxide
group
Prior art date
Application number
PCT/IN2013/000689
Other languages
English (en)
Other versions
WO2014073004A4 (fr
WO2014073004A3 (fr
Inventor
Manish MONGA
Original Assignee
Airef Engineers Pvt. Ltd.
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 Airef Engineers Pvt. Ltd. filed Critical Airef Engineers Pvt. Ltd.
Publication of WO2014073004A2 publication Critical patent/WO2014073004A2/fr
Publication of WO2014073004A3 publication Critical patent/WO2014073004A3/fr
Publication of WO2014073004A4 publication Critical patent/WO2014073004A4/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
    • B01D53/047—Pressure swing 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
    • B01D2253/20—Organic adsorbents
    • B01D2253/206—Ion exchange resins
    • 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
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/404—Further details for adsorption processes and devices using four beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4566—Gas separation or purification devices adapted for specific applications for use in transportation means
    • B01D2259/4575—Gas separation or purification devices adapted for specific applications for use in transportation means in aeroplanes or space ships
    • 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 present invention relates to a method and system for removing carbon dioxide (C0 2 ) particles in a closed environment of high carbon dioxide concentration. More particularly/ this invention relates to an improved method for removing carbon dioxide from a re-circulating gas stream by means of a carbon dioxide adsorbent resin, wherein the said gas stream is derived from a breathable atmosphere in a closed habitat environment.
  • Carbon dioxide removal (CDR) method involves various technologies which remove carbon dioxide from the enclosed space or closed environment.
  • CDR Carbon dioxide removal
  • technologies that have been used for CDR involve bio-energy with carbon capture and storage, direct air capture, solvent absorption, membrane gas absorption etc.
  • the common methods used for carbon dioxide removal are:
  • Membranes like aromatic polyamide are used to remove carbon dioxide, however have its own limitation. In majority of membrane separation techniques, membrane saturation leads to gas losses. Further, the operating cost of the membrane capture system is too high due to regular maintenance of membrane. In addition to that, such membranes are not stable in response to thermal and pressure variation, which makes method ineffective in common practice. Aqueous amines are used for carbon dioxide removal by adsorption techniques.
  • Adsorption is considered to be one of the more promising ways for efficient capture of Carbon dioxide from surrounding atmosphere. Processes like adsorption of carbon dioxide on phenolic resin based carbon spheres, activated carbons, amine surface ⁇ bonded silica gel, amine functionalized mesoporous silica and amine-enriched fly ash carbon sorbents are used for carbon dioxide removal. Conventional methods for carbon dioxide removal have certain limitations. They do not work in environments where the ambient atmosphere has carbon dioxide partial pressure above the acceptable values in the suit breathing atmosphere. Moreover they are not suited for very large number of occupants in a closely spaced habitat environment and are not of regenerative type. Therefore, there is a need for new improved method and system for removing carbon dioxide from a re-circulating gas stream from a breathable atmosphere in a closed habitat environment such as space suit, space station or cave.
  • Yet another object of this invention is to provide an improved method and system for removing carbon dioxide from a re-circulating gas stream by means of a carbon dioxide adsorbent resin.
  • Yet another object of this invention is to provide a method and system for removing C0 2 from a re-circulating gas stream by means of a CO2 adsorbent bed, wherein the gas stream is derived from a breathable atmosphere in a closed habitable environment. .
  • Yet another object of this invention is to provide an improved method and system for removing carbon dioxide in a closed habitat environment.
  • Yet another object of this invention is to provide a regenerative carbon dioxide removal system.
  • the present invention relates to a system and method for removing carbon dioxide particles in a closed environment of high carbon dioxide concentration.
  • the invention describes an improved method for removing carbon dioxide from a re-circulating gas stream by means of a carbon dioxide adsorbent resin in a closed habitat environment.
  • the present invention provides a system and method comprising of one or more filter beds filled with resin particles which selectively extract C02from the habitat exhaust gas stream.
  • the complete assembly comprises of at least five filter beds. Each filter bed is filled with certain amount of resin. Out of five, two filter beds operate in parallel adsorption mode for initially, while the other two beds during that period are either idle or in regeneration mode. The fifth bed is used for the adsorption of byproduct generated during the process.
  • the regeneration period of the beds is 10-20 minutes with a saturated steam passed from inlet valve connected in each filter resin bed and at a pressure of 0.1-0.2 bar.
  • the beds after an hour of adsorption, are put on regeneration automatically, one after the other, while the bed regenerated earlier are shifted on adsorption mode.
  • FIG.l isa schematic view of a CO2 removal system of this invention
  • FIG. 2 is a schematic view of a working model of C0 2 removal system in accordance with the present invention.
  • FIG. 1 four parallel filter resin beds 3, 4, 5, 6 are connected to various air inlet valves 8, 9, 10, 11 and air outlet valves 12, 13, 14, 15 respectively. Further, the filter resin beds 3, 4, 5, 6 are also connected with steam inlet valves 16, 17, 18, 19 and steam outlet valves 20, 21, 22, 23 respectively.
  • the air inlet valves 8, 9, 10, 11 are connected with blower 1.
  • the air outlet valves 12, 13, 14, 15 originated from the respective filter resin beds are connected to another filter resin bed 7 through the blower V, which further leads to air outlet vent 28.
  • the steam inlet valves 16, 17, 18, 19 are connected with boiler 2.
  • the steam outlet valves 20, 21, 22, 23 are connected to constant temperature bath 26.
  • the constant temperature bath 26 maintains the ideal temperature for separation of C02 and steam and overflow of it is connected to water reservoir 27. Further, the constant temperature bath 26 is connected to carbon dioxide outlet vent 29 for releasing adsorbed C0 2 into ambient environment.
  • the working model of C0 2 removal system comprises of Beds 1, 2, 3, 4 filled with Amine adsorbent resin.
  • Bed 5 is a resin to absorb amine by-product in the air stream.
  • Two blowers (blower 1 and blower 2) are provided in the system for the C02 adsorption beds and two blowers (blower 3 & blower-4) are provided for amine adsorption.
  • the inlet of the blowers is connected to cooling coils to provide cold air to the beds.
  • valves A-l, A-3, A-5, A-7, A-8, A-9, A-15 and A-16 are open.
  • the regeneration is carried out using a boiler of suitable size, the boiler is custom designed to meet the requirement of low pressure steam.
  • the boiler has a two stage pressure reducing valve to reduce the pressure of store steam at 11 kg/cm 2 to 0.4-0.2 kg/cm 2 , the first pressure reducing valve reduces the pressure from 11 kg/cm 2 to 4 kg/cm 2 arid the second pressure reducing valve reduces the pressure from 4 kg/cm 2 to 0.4-0.2 kg/cm 2 .
  • the Bed 1 and Bed 2 regeneration and simultaneous adsorption of Bed 3 and Bed 4 valve A-l, A-3, A-5, A-7, A-8, A-9, A-10 close, valve A-2, A-4, A-6, A-ll, A- 12, A-13 and A-
  • the air inlet valves and air outlet valves of the filter resin beds are disc type valves, on /off type, automatically operated and compatible with all existing state of the art controlling devices.
  • the air inlet and outlet valves remain in open position during the adsorption mode, thus allowing the passage through the resin bed.
  • the steam inlet and the outlet valves are ball valves, on/off type, automatic in operation and fully compatible with all existing state of the art controlling devices. They remain open in the regeneration mode, whereas they are closed in the adsorption mode.
  • Filter resin beds3 and 4 are then put offline by the closing valves 8, 9 and 12, 13.
  • Filter resin beds 5 and 6 are now put online by opening their respective air inlet 10, 11 and ' outlet valves 14, 15. Now beds 5 and 6 are on adsorption mode for an hour.
  • the saturated beds 3 and 4 are regenerated one after the other each for 10-15 minutes duration by passing saturated steam from the boiler 2 at a pressure of 01-0.2 bar.
  • Bed 3 is first put on regeneration mode by opening valves 16 and 20. Steam enters the bed through valves 16, washes the resin bed and desorption of carbon dioxide is carried out. The steam/hot water along with C02 are collected in a constant temperature bath 26.
  • the present invention is designed to remove excess carbon dioxide generated by human ' beings in an enclosed space.
  • the present invention provides a system and method comprising of at least four bedded assembly for arresting Carbon Dioxide with a fifth bed for removing excessive ammonia in the air stream.
  • the four beds for removing carbon dioxide comprise of a porous polymer structure coated with amine.
  • the fifth bed comprise of a porous structure coated with a chemical for arresting excessive amine in the air stream.
  • the entire system comprises one or more Cooling coils for cooling down the air, one or more Centrifugal blowers for movement of air, Stainless steel beds (3, 4, 5, 6) for arresting Carbon Dioxide, Stainless steel bed (7) for arresting the pungent smell due to the content of ammonia present in the filtered air from C0 2 beds containing amine based resin, a Boiler for supplying steam to Beds 3, 4, 5, 6, an Isolation valves for controlling the process, a constant temperature bath for maintaining a desired temperature for Carbon Dioxide exhaust, and a vacuum pump for Carbon Dioxide exhaust.
  • the five bed system of present invention is designed to remove Carbon Dioxide from the enclosed space for at least 200 people on continuous basis where fresh air is not available. It also captures the amine by-product from the filtered air coming put from the C0 2 resin beds.
  • the present C0 2 adsorption system is specifically designed for at least 200 occupants on the regenerative principle. The process of regeneration is by steam at a predefined temperature and pressure, thus having an adequate and optimum efficiency and results; Introduction of an additional bed containing resins which captures the pungent smell due to the traces of amine content present in the filtered air after the air rich in C0 2 content has passed through the amine bed for C0 2 filtration.
  • the present system is designed and constructed to operate on continuous basis fully automatically without any human intervention and centrally controlled by a dedicated Building Management System comprising of high end Programmed Logic Controller (PLC) and precision sensors.
  • PLC Programmed Logic Controller
  • the resin used in the present invention is solid amine specially treated primary amine structure covering the surface of the spherical granules of an ion exchange resin, polystyrene based. Carbon dioxide is bounded to the amines physico-chemically under the ambient atmospheric conditions and is discharged again by means of applied energy.
  • the specific features of these amine-based resins are the simple handling, long time stability of the material, and the purity of the discharged C0 2 .ln addition to that, no corrosive liquids/vapors leave the unit, hence a potential contamination of the surrounding atmosphere caused by the conventional system itself is eliminated.
  • the resin selected for the present invention has distinct advantages over the conventional carbon dioxide removing media.
  • the final system developed is a fully automatic system different valve and sensors are installed in the system for process control and data monitoring.
  • the simultaneous adsorption and desorption takes place in the system, the system remain online at all times.
  • a PLC Programmed Logic Controller
  • the system works on the time logic of 60 minutes of two beds in adsorption cycle and simultaneously 15-20 minutes of steam, injection for third bed in regeneration consecutively followed by 15-20 minutes of steam injection for fourth bed in regeneration. This logic is loaded into the controller and the system operates as a standalone unit.
  • the adsorption process is represented down as under: Amine +H20 -> (Amine-H20) (Amine-H20) + C02 -> (Amine-H2C03)
  • a flow of 1000 LPM gives an average difference of 2800 ppm in an hour.
  • volume of resin required in each bed to adsorb 8.8 3 of carbon dioxide 20 LTRS x 8.8 M3
  • carbon dioxide adsorbed by the beds on time average basis should be equal to the rate of C0 2 emission by 200 persons.
  • average difference of 2800 ppm should be equal to 8.8 M3/HR of carbon dioxide produced by 200 persons.
  • 1850 CFM Hence, a flow of 1850 CFM through two beds, each containing 1050 liters of resin shall adsorb 2800 ppm of carbon dioxide on time average basis for an hour, in order to maintain a required level of carbon dioxide in an enclosed space occupied by 200 persons.
  • VP velocity through the pilot bed.
  • the height of the actual bed and air velocity through it should remain the same as in the pilot plant to maintain the similar pressure drop.
  • VA VP.
  • the resin volume in each bed is also 1250 liters.
  • the pilot scheme incorporated cylindrical shaped beds; however for one of sites actual system bed were designed of square construction due to the site constrains involved in it. It however did not comprise on the operating parameters such as velocity of the air, friction drop etc. In fact the designed beds had uniform air distribution to have the maximum contact area with the resin.
  • the remaining design of the beds for the actual system remains quite similar to the pilot beds.
  • the air inlet was from the bottom whereas its outlet from the top.
  • steam inlet to the bed is from the top whereas the drain from the bottom.
  • the resin is held between the pair of stainless steel wire mesh to facilitate the passage of air through the bed.
  • Weld mesh is provided to support, the lower mesh.
  • the body of the beds is constructed of stainless steel SS 304, 16 swg. BLOWER:
  • the blower selection was very critical, as it was in case of the pilot plant. Pressure drop and the airflow were to govern the selection of the blower. Airflow required for the system was 1850 cfm, however the pressure drop had to be carefully considered for the selection of the blower.
  • the above design calculation was based upon the bed height of 190 mm against a pressure drop of 105 mm of WC. However, this pressure drop measured was for a relatively dry resin, it is of the order of 170-210 mm of WC for wet resin. Moreover, the increased bed height of 250 mm would result in a higher-pressure drop. Eventually, the blower selected should be commensurate to meet the design, parameters in the most critical condition.
  • blower selected for the actual system has the following specification: Air flow : 2500 CFM
  • Static pressure 450 MM of WG.
  • Type SISW, Backward Curved.
  • a 100 KW boiler, capable to produce approximately 100 kg of steam in twenty * minutes at a pressure of 0.2 barg was selected for steam heating of the resin beds required for the regeneration cycle.
  • the boiler cum accumulator selected has an approximate water storage capacity of 1000 liters, complete with quenching tank, feed water tank, feed water pumps, pressure reducing stations and other requisite controls. Both the boiler cum accumulator and the quenching tank are fabricated of 10 mm shell and 12 mm dish end, material carbon steel Grade 2002> suitable for a steam pressure of 11 barg. Controls such as pressure switch, thermostat, safety valve, level controls etc. have been incorporated to make the system functional and automatic in operation. Water supply to the boiler is supplemented by a feed water tank, capacity approximate 1000 liters is cylindrical in shape with flat ends, fabricated out of 3 mm stainless steel, Grade SS 304. The feed water is also accomplished with all the requisite controls such as valve, float switches, strainer.
  • the quenching tank is also fitted with requisite controls and comprises of perforated pipe to spurge the superheated steam coming from the boiler.
  • the steam then released from the quenching tank is in a saturated state and is feeded to the resin beds for regeneration.
  • AUTOMATIC BUTTER FLY VALVES :
  • valves have been installed at the air inlet and outlet of the individual bed to allow or disallow the air passage through it, as and when required.
  • the valves shall be remain in open position during the adsorption cycle of the bed while remain closed in the regeneration cycle.
  • These valves are pneumatically operated having double acting actuator, solenoid valve and limit switch and is BMS compatible.
  • the salient specifications of the valves are as under:
  • valves are installed at the steam inlet and outlet of the bed and are also used for ON/OFF application. They remain in open position when the regeneration of the respective resin bed is carried out with steam, while in close position when the beds are in adsorption.
  • valves are also pneumatically operated having double acting actuator, solenoid valve and limit switch for BMS compatibility.
  • These valves are a two-piece construction, full bore, CS body, SS316 ball and stem, PTFE seats with flanged connection. The maker of the valves is Danfoss.
  • Face area 1100 mm x 600 mm.
  • the heat exchanger used is a shell and tube type having the following basic specifications:
  • Tube diameter, type 10 mm, plain copper tubes.
  • the condensed steam coming out of the heat exchanger along with the desorbed carbon dioxide is collected in a tank called as constant temperature bath.
  • a constant temperature of around 85-90 °C is maintained with set of heaters, 4.5 KW x 2 numbers and cooling coil, 15mm diameter with 25 turns.
  • the carbon dioxide present in the condensate is separated at this constant temperature.
  • the height as well as the diameter of the tank are 1000mm and are fabricated out 3mm MS sheet, inside epoxy painted. i. LT PANEL:
  • An electrical panel is definitely required wherein all the feeders of the electrical parts such as motor, heater etc are housed.
  • a BMS panel separately installed monitors and controls the operating parameters through the hardware communication system.

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  • 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)
  • Treating Waste Gases (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

La présente invention concerne un système et un procédé pour éliminer les particules de dioxyde de carbone dans un environnement fermé à concentration élevée de dioxyde de carbone. L'invention concerne un procédé amélioré pour éliminer le dioxyde de carbone dans un flux de gaz recyclé, au moyen d'une résine d'adsorption de dioxyde de carbone, dans un environnement habité fermé.
PCT/IN2013/000689 2012-11-08 2013-11-08 Système d'élimination de dioxyde de carbone WO2014073004A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN3472DE2012 2012-11-08
IN3472/DEL/2012 2012-11-08

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WO2014073004A2 true WO2014073004A2 (fr) 2014-05-15
WO2014073004A3 WO2014073004A3 (fr) 2014-06-12
WO2014073004A4 WO2014073004A4 (fr) 2014-07-31

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104368221A (zh) * 2014-11-14 2015-02-25 杰瑞石油天然气工程有限公司 一种富甲烷气脱水脱烃的装置
WO2016005226A1 (fr) 2014-07-10 2016-01-14 Climeworks Ag Procédé de désorption sous vide assistée par de la vapeur pour capturer du dioxyde de carbone
CN107042050A (zh) * 2017-01-10 2017-08-15 江苏净领环保科技有限公司 一种自动控制废气处理装置
WO2019238488A1 (fr) 2018-06-14 2019-12-19 Climeworks Ag Procédé et dispositif d'adsorption/désorption de dioxyde de carbone à partir de flux gazeux avec unité de récupération de chaleur
CN112742167A (zh) * 2021-01-08 2021-05-04 李长松 一种改善洞穴生态环境的装置及其制备方法
US11117088B2 (en) 2016-03-31 2021-09-14 Svante Inc. Adsorptive gas separation employing steam for regeneration
WO2023177792A1 (fr) * 2022-03-17 2023-09-21 Next Carbon Solutions, Llc Dispositifs, systèmes, installations et procédés de capture d'air directe de co2 à l'aide de lits d'adsorption montés directement
US11806664B2 (en) 2020-08-26 2023-11-07 Next Carbon Solutions, Llc Devices, systems, facilities, and processes of liquid natural gas processing for power generation
US11819797B2 (en) 2021-12-20 2023-11-21 Next Carbon Solutions, Llc Devices, systems, facilities and processes for carbon capture optimization in industrial facilities
US11852376B2 (en) 2022-03-15 2023-12-26 Next Carbon Solutions, Llc Devices, systems, facilities and processes for CO2 capture/sequestration and direct air capture
US11865494B2 (en) 2021-11-22 2024-01-09 Next Carbon Solutions, Llc Devices, systems, facilities and processes for bio fermentation based facilities
US11959637B2 (en) 2022-04-06 2024-04-16 Next Carbon Solutions, Llc Devices, systems, facilities and processes for CO2 post combustion capture incorporated at a data center
US12025307B2 (en) 2022-07-26 2024-07-02 Next Carbon Solutions Methods, systems, and devices for flue gas cooling

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CN106377971A (zh) * 2016-11-07 2017-02-08 河南科技学院 一种核电厂尾气碳捕集压缩系统

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Publication number Priority date Publication date Assignee Title
WO2016005226A1 (fr) 2014-07-10 2016-01-14 Climeworks Ag Procédé de désorption sous vide assistée par de la vapeur pour capturer du dioxyde de carbone
US20170203249A1 (en) * 2014-07-10 2017-07-20 Climeworks Ag Steam assisted vacuum desorption process for carbon dioxide capture
JP2017528318A (ja) * 2014-07-10 2017-09-28 クライムワークス アーゲー 二酸化炭素回収のための水蒸気アシスト真空脱着プロセス
US10279306B2 (en) 2014-07-10 2019-05-07 Climeworks Ag Steam assisted vacuum desorption process for carbon dioxide capture
CN104368221B (zh) * 2014-11-14 2016-05-11 杰瑞石油天然气工程有限公司 一种富甲烷气脱水脱烃的装置
CN104368221A (zh) * 2014-11-14 2015-02-25 杰瑞石油天然气工程有限公司 一种富甲烷气脱水脱烃的装置
US11117088B2 (en) 2016-03-31 2021-09-14 Svante Inc. Adsorptive gas separation employing steam for regeneration
CN107042050A (zh) * 2017-01-10 2017-08-15 江苏净领环保科技有限公司 一种自动控制废气处理装置
US11420149B2 (en) 2018-06-14 2022-08-23 Climeworks Ag Efficient method and device for adsorption/desorption of carbon dioxide from gas streams
WO2019238488A1 (fr) 2018-06-14 2019-12-19 Climeworks Ag Procédé et dispositif d'adsorption/désorption de dioxyde de carbone à partir de flux gazeux avec unité de récupération de chaleur
US11806664B2 (en) 2020-08-26 2023-11-07 Next Carbon Solutions, Llc Devices, systems, facilities, and processes of liquid natural gas processing for power generation
CN112742167A (zh) * 2021-01-08 2021-05-04 李长松 一种改善洞穴生态环境的装置及其制备方法
CN112742167B (zh) * 2021-01-08 2022-12-02 李长松 一种改善洞穴生态环境的装置及其制备方法
US11865494B2 (en) 2021-11-22 2024-01-09 Next Carbon Solutions, Llc Devices, systems, facilities and processes for bio fermentation based facilities
US11819797B2 (en) 2021-12-20 2023-11-21 Next Carbon Solutions, Llc Devices, systems, facilities and processes for carbon capture optimization in industrial facilities
US12257546B2 (en) 2021-12-20 2025-03-25 Next Carbon Solutions, Llc Devices, systems, facilities and processes for carbon capture optimization in industrial facilities
US11852376B2 (en) 2022-03-15 2023-12-26 Next Carbon Solutions, Llc Devices, systems, facilities and processes for CO2 capture/sequestration and direct air capture
WO2023177792A1 (fr) * 2022-03-17 2023-09-21 Next Carbon Solutions, Llc Dispositifs, systèmes, installations et procédés de capture d'air directe de co2 à l'aide de lits d'adsorption montés directement
US11959637B2 (en) 2022-04-06 2024-04-16 Next Carbon Solutions, Llc Devices, systems, facilities and processes for CO2 post combustion capture incorporated at a data center
US12025307B2 (en) 2022-07-26 2024-07-02 Next Carbon Solutions Methods, systems, and devices for flue gas cooling

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WO2014073004A3 (fr) 2014-06-12

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