EP3710136A1 - Procédé et dispositif pour obtenir de l'eau à partir de l'air ambiant - Google Patents

Procédé et dispositif pour obtenir de l'eau à partir de l'air ambiant

Info

Publication number
EP3710136A1
EP3710136A1 EP18807242.5A EP18807242A EP3710136A1 EP 3710136 A1 EP3710136 A1 EP 3710136A1 EP 18807242 A EP18807242 A EP 18807242A EP 3710136 A1 EP3710136 A1 EP 3710136A1
Authority
EP
European Patent Office
Prior art keywords
cooling medium
absorbent
ambient air
water
condenser
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP18807242.5A
Other languages
German (de)
English (en)
Inventor
Philippe Verplancke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aquahara Technology GmbH
Original Assignee
Aquahara Technology GmbH
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 Aquahara Technology GmbH filed Critical Aquahara Technology GmbH
Publication of EP3710136A1 publication Critical patent/EP3710136A1/fr
Withdrawn legal-status Critical Current

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
    • B01D53/26—Drying gases or vapours
    • B01D53/263—Drying gases or vapours by absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0033—Other features
    • B01D5/0051—Regulation processes; Control systems, e.g. valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
    • B01D5/006—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes with evaporation or distillation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
    • B01D5/0075—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes with heat exchanging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
    • B01D5/0087—Recirculating of the cooling medium
    • 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
    • B01D53/14—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 absorption
    • B01D53/1425—Regeneration of liquid absorbents
    • 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
    • B01D53/14—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 absorption
    • B01D53/1493—Selection of liquid materials for use as absorbents
    • 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
    • B01D53/14—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 absorption
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • B01D53/185—Liquid distributors
    • 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
    • B01D53/28—Selection of materials for use as drying agents
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/28—Methods or installations for obtaining or collecting drinking water or tap water from humid air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/10—Inorganic absorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/65—Employing advanced heat integration, e.g. Pinch technology
    • 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
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use

Definitions

  • the present invention relates to a method for recovering water from an ambient air.
  • the invention further relates to a device for recovering water from an ambient air.
  • Such methods and apparatus for recovering water from ambient air are known in a wide variety.
  • corresponding absorption methods are known from the dehumidification technique.
  • Moisture from the air is absorbed in so-called liquid desiccants, for example in concentrated, hygroscopic salt solutions.
  • a highly hygroscopic salt is e.g. Lithium chloride.
  • the water is partially removed again from the salt solution, so that the solution can be used again for dehumidifying the air.
  • this process is offered, for example, by Kathabar (see http://www.kathabar.com/liquid-desiccant/system-features-benefits).
  • Other systems for example, marketed under the name "Ducool" direct process air by means of a blower through a honeycomb structure, which is soaked with the salt solution, so that there
  • DE 10 2013 013 214 A1 also describes a device for obtaining water from atmospheric air with a flowable sorbent for sorption of the water.
  • a flowable sorbent for sorption of the water.
  • the absorbed water is removed from the so-diluted sorbent by evaporation.
  • the dilute sorbent is subjected to negative pressure.
  • Sorbtionsweg at least one heat exchanger is arranged as a preheating unit.
  • a disadvantage of this prior art is that a more expensive, corrosion-resistant heat exchanger is always used as the preheating unit for the diluted sorbent.
  • the heat generated by the condensation of water following the evaporation / distillation of the brine must be dissipated into the environment.
  • separate cooling devices are used in conventional systems in the line system after the capacitor, which in turn increase the cost of equipment.
  • a method for obtaining water from an ambient air comprises at least the following method steps: supplying a water vapor generated by at least one evaporator from a dilute liquid absorbent to a condenser, the condenser comprising at least one heat exchanger for condensing the water vapor; Conveying at least one cooling medium to the heat exchanger and conveying the emerging from the condenser and heated cooling medium to at least one device for large-scale contacting the cooling medium with the ambient air for cooling the cooling medium by means of the ambient air.
  • Procedure first, a cooling of the capacitor is ensured without additional separate cooling devices.
  • the heated cooling medium is again supplied to the device for large-area contacting of the cooling medium with the ambient air for cooling.
  • the process is simple and inexpensive to operate and requires less energy than known methods.
  • the steps of feeding and conveying the cooling medium to form a cooling circuit are performed several times.
  • the multiple implementation of the steps of feeding and conveying the cooling medium takes place in a predetermined time interval, in particular during the day.
  • the cooling of the cooling medium by spraying the cooling medium in the ambient air and / or by means of a passage of the ambient air through the device having a large surface, take place.
  • cooling medium is understood to mean any kind of liquids with low vapor pressure.
  • the cooling medium is the absorbent diluted by the absorbed water of the ambient air, wherein at least a portion of the diluted absorbent in at least one separate flow circuit is supplied to the evaporator with or without the interposition of a reservoir.
  • both the water taken up from the ambient air can be conducted to the evaporator and, on the other hand, the condenser can be cooled.
  • the liquid absorbent may be at least one hygroscopic salt solution or a mixture of different hygroscopic salt solutions his.
  • liquid absorbent is understood to mean any type of liquid desiccant that leads to absorption of at least part of the water contained in the ambient air in the absorbent.
  • the liquid absorbents may in particular be salt solutions, such as, for example, a lithium chloride solution.
  • conveying means an active conveying, for example by means of at least one pump, but also conveying by means of gravity.
  • the cooling medium is a liquid with low vapor pressure, in particular an oil. This has the advantage that the heat exchanger arranged inside the condenser can also consist of non-corrosion-resistant and thus usually more favorable material. If the dilute absorbent is not used as the cooling medium, this will be promoted in a separate flow loop from a dilute absorbent flow loop. Thus, unwanted mixing or contamination of the different media can be reliably avoided.
  • the diluted absorbent is supplied to the evaporator with or without the interposition of a reservoir.
  • the method according to the invention provides for delivery and storage and storage of the diluted absorbent obtained from the ambient air in the at least one storage container.
  • a concentration of the diluted absorbent to obtain a concentrated absorbent wherein the concentrated absorbent of the device in contact with the ambient air for large-scale contacting the cooling medium with the ambient air - supplied - with or without the interposition of a heat exchanger can be.
  • the (concentrated) concentrated absorbent in the reservoir cached and in a predetermined time interval, in particular at night, the device, which then serves as an absorption structure, are supplied.
  • this embodiment of the method according to the invention utilizes the different daytime and nighttime temperatures to optimize the process flow, as the temperature difference between absorption and desorption increases with increasing day-night temperature difference and thus the water yield per unit volume of salt solution increases or a lower salt concentration in the absorbent is needed. Both processes (absorption and desorption) can also occur alternately or simultaneously during the day.
  • the absorption and desorption cycle can be controlled via the inflow and outflow of the diluted and / or concentrated absorbent to and from the storage container as a buffer.
  • the cooling medium before being conveyed to the condenser in at least one of the device for large-scale contacting the ambient air with the cooling medium downstream buffer transferred advantageously results in the possibility of individual, in particular time-dependent, control of the quantities of cooling medium supplied to the condenser.
  • Method is taken at least a portion of the desorpt elected water in the direction of flow after the capacitor via at least one suitable device from the system cycle. This avoids, on the one hand, that the amount of water in the system steadily increases due to the continuous condensation of water in the desorption device. So that the water cycle does not overflow, at least part of this desorpt elected water is removed continuously or at predetermined times.
  • the present invention further relates to an apparatus for recovering water from an ambient air, the apparatus comprising at least one evaporator for generating water vapor from a dilute absorbent, at least one condenser operatively connected to the evaporator, the condenser including at least one heat exchanger for condensing the water vapor comprises at least one conveying device for conveying a cooling medium to the heat exchanger for cooling the condenser and means for conveying the cooling medium exiting and heated from the condenser to at least one device for contacting the cooling medium with the ambient air over a large area for cooling the cooling medium by means of the ambient air.
  • cooling of the capacitor is initially possible without additional external and separately arranged cooling devices.
  • cooling medium is understood in turn any type of liquids with low vapor pressure.
  • the cooling medium is the dilute absorption solution
  • the device according to the invention has at least one separate flow circuit to the evaporator with or without the interposition of a reservoir and at least a portion of the diluted absorption solution is fed to the evaporator.
  • the absorption solution may in turn be at least one hygroscopic saline solution or a mixture of different hygroscopic saline solutions.
  • Absorbent is understood to mean any type of liquid desiccant that leads to absorption of at least part of the water contained in the ambient air in the absorbent.
  • the liquid absorbent may be, for example, lithium chloride solutions.
  • the cooling medium is a liquid with a low vapor pressure, in particular an oil. This, in turn, has the advantage that the heat exchanger arranged inside the condenser can also consist of non-corrosion-resistant and therefore usually more favorable material.
  • the device according to the invention comprises at least one separate flow circuit for conveying the cooling medium, separate from a flow circuit of the dilute absorption medium. Thus, unwanted mixing or contamination of the different media can be reliably avoided.
  • this comprises at least one of the device for large-area contacting the cooling medium with the ambient air downstream buffer for the cooling medium.
  • the device has means for controlling a conveying of the cooling medium in a predetermined time interval.
  • Device comprises the device for large-scale contacting the cooling medium with the ambient air at least one spray nozzle and / or at least one honeycomb structure and / or at least one absorption structure and / or at least one plate structure.
  • Other structures are conceivable, and these also have to provide on the one hand the largest possible cooling surface and / or absorption surface.
  • the device comprises at least one device for removing the desorpt striv water from the system circuit.
  • this removal device can be arranged after the capacitor.
  • Figure 1 is a schematic representation of an inventive
  • Figure 2 is a schematic representation of an inventive
  • FIG. 1 shows a schematic representation of a device 10 for recovering water from an ambient air 26.
  • the apparatus 10 comprises in the illustrated first embodiment, a device (not shown) for dispensing a liquid absorbent 16 on an absorbent structure 12.
  • the absorbent structure 12 provides in the illustrated first embodiment is also an apparatus for large-scale contacting a cooling medium, as will be explained in detail below.
  • a suitable pipe system with corresponding openings or valves or similar spray devices can be used for application of the liquid absorbent 16 a suitable pipe system with corresponding openings or valves or similar spray devices can be used.
  • the liquid absorbent 16 is thereby distributed in particular over an entire upper surface of the absorbent structure 12 and so impregnates the absorbent structure 12.
  • the absorbent 16 then flows slowly into the lower regions of the absorbent structure 12, where it flows out of this again and collected by a tray system 18 again becomes.
  • the absorption structure 12 is honeycomb-shaped. This results in a very large surface at which an absorption of at least part of the water contained in the ambient air take place can.
  • the absorption of the water from the ambient air 26 takes place in the liquid absorbent 16, wherein the resulting heat of condensation is released by the large surface of the honeycomb absorbent structure 12 of the absorbent 16 immediately back to the ambient air 26.
  • the liquid absorbent 16 is diluted and exits the absorbent structure 12 as a dilute absorbent 20.
  • the ambient air 26 is brought into contact with the liquid absorbent 16 over a large area.
  • the liquid absorbent 16 is at least one hygroscopic saline solution or a mixture of different saline solutions.
  • a concentrated lithium chloride solution is used.
  • the absorption structure 12 can be designed such that it can be set up outdoors and can be flowed through by natural wind. This saves energy and installation costs, as no additional blowers are needed. However, should the natural wind conditions not allow a sufficiently large flow of ambient air 26 through the absorbent structure 12, of course, appropriate tools, such as blower 14 may be used in addition.
  • the absorbent structure 12 is to be chosen with suitable permeability, suitable thickness and suitable size. Such structures are available, for example, in a robust and protected against decomposition carton design very inexpensive and are nowadays used for example in the evaporative cooling of chicken coops.
  • the straight lines provided with arrows represent fluid conduits, such as tubes or hoses, in which the fluids used in the device flow in the direction of the arrow.
  • the necessary pumping devices are the Known specialist and shown in the figure only in one embodiment.
  • a conveying device or pump 22 for conveying the absorbent 20 diluted by the absorbed water to an evaporator 34. It can be seen that in the line path between the pump 22 and the evaporator 34 there is a reservoir 60 for intermediate storage of the diluted absorbent 20 is arranged. But there is also the possibility that the diluted absorbent is fed directly to the evaporator 34. In the direction of flow after the reservoir 60, a valve 28 is arranged.
  • a heat exchanger 36 is also arranged, which is liquid-conductively connected via a line system 38 to a solar module 42.
  • Other heat transfer systems may be disposed in the evaporator 34.
  • the line system 38 circulates a moving means of a pump 40 heat transfer fluid.
  • the solar module 42 has a line system, which may consist of an ideally corrosion-resistant material, in particular plastic.
  • the evaporator 34 is connected via a line system 44 liquid-conducting with the reservoir 60.
  • the reservoir 60 also serves to receive the now concentrated absorbent.
  • the reservoir 60 is formed, for example, as a stratified storage, so that there is no mixing of the diluted absorbent 20 with the now concentrated absorbent 16. With the semicircular arrows is indicated that this construction a cycle for the diluted or later concentrated absorbent results.
  • the yield of water vapor from the absorbent can be about 5 to 10%.
  • the said cycle is carried out in particular during the day, since here the solar module 42 can be operated particularly efficiently.
  • the concentrated absorbent can then be reintroduced into the absorbent structure 12 via a pump 70 and a liquid conduit arranged between the reservoir 60 and the absorbent structure 12, so that water can be absorbed by the absorbent 16 again This results in the dilute absorbent 20, which in turn is collected in the sump 18.
  • the evaporator 34 is connected via a line system 48 medium-conducting with a capacitor 52. Between the evaporator 34 and the condenser 52, a mist eliminator 50 is also arranged.
  • the droplet separator 50 reliably separates the particles formed in the evaporator 34 and carried by the water vapor formed, such as salt particles, even before the water vapor enters the condenser 52.
  • the condenser 52 comprises a heat exchanger 54 which serves to cool the condenser 52 and thus also to increase the condensation of the steam introduced. Other heat transfer systems may be disposed in the condenser 52. It can be seen that the heat exchanger 54 is connected to a line system 62.
  • the diluted absorbent 20 is at least partially passed through the heat exchanger 54. After leaving the Capacitor 52, the diluted absorbent 20 is again passed over the absorbent structure 12. Since the temperature of the diluted absorbent 20 is significantly lower than the temperature within the condenser 52, cooling of the condenser 52 takes place via the heat exchanger 54. The diluted absorbent 20 heated after exiting the condenser 52 is then cooled again via the absorption structure 12. In addition, there is the possibility that the absorbent 20 receives additional amounts of water from the ambient air 26.
  • a collecting container 64 is formed in front of the pump 66.
  • the quantities of diluted absorbent 20 that are fed to the condenser 52 can thus be regulated.
  • the dilute absorbent 20 can circulate multiple times in the conduit system 62 and the absorbent structure 12. This is indicated in the figure 1 by the corresponding semi-circular arrows.
  • This cooling process is carried out according to the embodiment shown mainly during the day, since the temperature difference between the diluted absorbent 20 and the water collected by the condenser 52 is highest here.
  • the condensed water is discharged from the condenser 52 and received in a downstream collecting container 58.
  • the removal of the water can be controlled by a pump 56.
  • the water thus obtained can be removed from the collecting container 58 by means of suitable devices.
  • the device 10 has means for controlling a conveyance of the liquid, diluted absorbent or the cooling medium 20 in a predetermined time interval to predetermined elements of the device 10.
  • the water extraction process can be optimally adapted to the ambient conditions, in particular the temperature conditions.
  • both the absorption and the desorption of the water from the ambient air 26 can occur alternately or simultaneously during the day. All these pumps would then run simultaneously.
  • at least one heat exchanger for heat recovery can then be arranged in the supply and return of the absorbent 16, 20 in the absorption cycle.
  • a filtration and disinfection process or a mineralization process may have to be stored downstream. These processes are state of the art. It should be noted that the concentrated absorbents proposed in the present invention or saline solutions already have a strong disinfecting effect. The mineralization of the water extracted from the air could for simplicity be done by passing the water through a gravel bed.
  • FIG. 2 shows a schematic representation of an apparatus 10 for recovering water from an ambient air 26 according to a second embodiment.
  • the device 10 according to the second embodiment is basically the same as the device 10 according to the first embodiment.
  • like reference numerals in Figure 2 denote the corresponding same features in Figure 1.
  • the device 10 here has two separate circuits for a cooling medium 80 and the diluted liquid and the concentrated absorbent 20, 16th on.
  • the cooling medium 80 is an oil, which should not mix with the diluted absorbent 20.
  • the diluted absorbent 20 is again collected in a containment system 18 and diluted with water from the ambient air 26 via the absorbent structure 12 by spraying the more concentrated liquid absorbent, respectively.
  • the diluted absorbent is again supplied to the evaporator 34 with the interposition of the reservoir 60.
  • the diluted absorbent 20 is heated in the evaporator 34 and evaporated.
  • the concentrated absorbent 16 is in turn fed via a line system 44 and a pump 46 arranged therein, with the interposition of the reservoir 60 and the line system 68 emanating therefrom, and the pump 70 arranged therein, to the absorption structure 16.
  • a second circuit namely a cooling circuit for the condenser 52, is formed by the line system 62 and the pump 66 arranged therein as well as the heat exchanger 54 arranged in the condenser 52.
  • the cooling medium 80 is used in the said circuit and by flowing through the heat exchanger 54 for cooling the condenser 52.
  • the cooling medium 80 namely an oil in the illustrated embodiment, is in turn passed via the line system 62 via the device 72, wherein in the device 72, the cooling medium 80 is cooled by means of the ambient air 26.
  • a fan 74 is arranged in the illustrated embodiment in the region of the device 72.
  • the thus cooled cooling medium 80 is collected in a collecting container 76 and, if necessary, fed to the line system 62.
  • a collecting container 64 is arranged, wherein among other things, the amount of cooling medium 80, which is to be supplied to the heat exchanger 54, can be controlled by the collecting container 64.
  • water vapor describes the gaseous state of aggregation of water and not a mixture of air and water droplets.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Public Health (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Drying Of Gases (AREA)
  • Central Air Conditioning (AREA)

Abstract

L'invention concerne un procédé pour obtenir de l'eau à partir d'un air ambiant (14). Le procédé comprend au moins des étapes suivantes : mise en contact de l'air ambiant (14) avec au moins un absorbant liquide (16) destiné à absorber au moins une partie de l'eau contenue dans l'air ambiant (14) ; transport d'un absorbant (18) dilué par l'eau absorbée vers un premier échangeur de chaleur (20) ; transfert de l'absorbant dilué (18) dans au moins un dispositif de désorption (30). L'eau (42) désorbée dans le dispositif de désorption (30) est transportée vers le premier échangeur de chaleur (20), un refroidissement de l'eau désorbée (42) au moyen de l'absorbant dilué (18) étant réalisé au moyen du premier échangeur de chaleur (20). L'invention concerne en outre un dispositif (10) pour obtenir de l'eau à partir d'un air ambiant (14).
EP18807242.5A 2017-11-16 2018-11-15 Procédé et dispositif pour obtenir de l'eau à partir de l'air ambiant Withdrawn EP3710136A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017127012.4A DE102017127012A1 (de) 2017-11-16 2017-11-16 Verfahren und Vorrichtung zur Gewinnung von Wasser aus der Umgebungsluft
PCT/EP2018/081361 WO2019096898A1 (fr) 2017-11-16 2018-11-15 Procédé et dispositif pour obtenir de l'eau à partir de l'air ambiant

Publications (1)

Publication Number Publication Date
EP3710136A1 true EP3710136A1 (fr) 2020-09-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP18807242.5A Withdrawn EP3710136A1 (fr) 2017-11-16 2018-11-15 Procédé et dispositif pour obtenir de l'eau à partir de l'air ambiant

Country Status (8)

Country Link
US (1) US20200346164A1 (fr)
EP (1) EP3710136A1 (fr)
CN (1) CN112020390A (fr)
AU (1) AU2018368539A1 (fr)
CL (1) CL2020001219A1 (fr)
DE (1) DE102017127012A1 (fr)
MA (1) MA50894A (fr)
WO (1) WO2019096898A1 (fr)

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US11602712B2 (en) 2020-03-11 2023-03-14 Honeywell International Inc. Atmospheric water extraction system
US11944934B2 (en) * 2021-12-22 2024-04-02 Mojave Energy Systems, Inc. Electrochemically regenerated liquid desiccant dehumidification system using a secondary heat pump
WO2024064977A1 (fr) 2022-09-21 2024-03-28 University Of South Africa Système de production d'eau liquide à partir d'air

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US4860548A (en) * 1988-06-13 1989-08-29 Ahlstromforetagen Svenska Ab Air conditioning process and apparatus therefor
US7467523B2 (en) * 2003-08-26 2008-12-23 Aqwest, Llc Autonomous water source
US7306654B2 (en) * 2004-01-30 2007-12-11 Ronald King Method and apparatus for recovering water from atmospheric air
DE102007047319A1 (de) * 2007-10-02 2009-04-23 Outotec Oyj Verfahren und Anlage zur Gewinnung von Wasser aus Luft
DE102008023566A1 (de) 2008-05-05 2009-11-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zur Wassergewinnung aus feuchter Umgebungsluft
DE102013013214A1 (de) * 2013-08-09 2015-02-12 Logos-Innovationen Gmbh "Vorrichtung zur Gewinnung von Wasser aus atmosphärischer Luft"

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Publication number Publication date
WO2019096898A1 (fr) 2019-05-23
DE102017127012A1 (de) 2019-05-16
CN112020390A (zh) 2020-12-01
CL2020001219A1 (es) 2020-10-30
AU2018368539A1 (en) 2020-05-21
MA50894A (fr) 2020-09-23
US20200346164A1 (en) 2020-11-05

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