EP2725914A1 - Conteneur fourgon maritime à atmosphère contrôlée comprenant un contenant à dioxyde de carbone comportant un rideau décarbonateur - Google Patents

Conteneur fourgon maritime à atmosphère contrôlée comprenant un contenant à dioxyde de carbone comportant un rideau décarbonateur

Info

Publication number
EP2725914A1
EP2725914A1 EP12740752.6A EP12740752A EP2725914A1 EP 2725914 A1 EP2725914 A1 EP 2725914A1 EP 12740752 A EP12740752 A EP 12740752A EP 2725914 A1 EP2725914 A1 EP 2725914A1
Authority
EP
European Patent Office
Prior art keywords
container
air
curtain
produce
carbon dioxide
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Withdrawn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
EP12740752.6A
Other languages
German (de)
English (en)
Inventor
Carlos Gomez
Richard F. Macleod
Cesar CARPIO
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.)
Chiquita Brands International Inc Co
Original Assignee
Chiquita Brands International Inc Co
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 Chiquita Brands International Inc Co filed Critical Chiquita Brands International Inc Co
Publication of EP2725914A1 publication Critical patent/EP2725914A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/266—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing gases, e.g. oxygen absorbers or desiccants
    • B65D81/267—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing gases, e.g. oxygen absorbers or desiccants the absorber being in sheet form
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
    • A23L3/3409—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23L3/3418—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
    • A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23B7/148—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O

Definitions

  • the present invention relates to a sea van container used for shipping produce which includes a carbon dioxide scrubber curtain for controlling the atmospheric content in the container.
  • 0 2 concentrations are reduced to levels below normal atmosphere and C0 2 may or may not be elevated above those found in normal atmosphere.
  • the desired blend of 0 2 and C0 2 is often specific to a given perishable commodity.
  • a typical blend might be, for example, 3-5% 0 and 0-10% C0 2 .
  • Perishable products such as fruits and vegetables, respire, consume 0 2 and give off C0 2 at varying rates.
  • the rate of 0 2 consumption and C0 2 production by the fruit/vegetables may be controlled to maintain an effective atmospheric blend in order to keep the products in the desired state of freshness and ripeness over the course of the trip.
  • the current invention overcomes the difficulty of using hydrated lime as a C0 2 control agent. It is relatively simple, inexpensive, and is designed to operate using the 0 2 and C0 2 control functions of existing Controlled Atmosphere systems (already present in transport vehicles), such as the "TransFresh Controlled Atmosphere Controller",
  • the curtain may be easily removed from the container for replacement or reconfiguration of the container.
  • U.S. Patent 7,866,258, Jorgensen et al issued January 1 1, 201 1, relates to an apparatus for controlling the composition of the atmosphere within a cargo container.
  • the apparatus includes, as a permanent part of the container, at least one sensor, at least one controller and at least one gas-permeable membrane being adapted to facilitate the passage through that membrane of different molecules at different rates.
  • the membrane is said to define a first region and a second region within the cargo container; the first region holds the cargo and the second region defines a gas buffer region with at least one inlet and/or outlet in the gas buffer region of the container, and a sensor in the gas buffer region.
  • June 2, 201 1 describes a carbon dioxide scrubber, structurally adapted for use inside a shipping container which contains respiring produce, the scrubber comprising an air-tight plenum chamber formed by an outer wall, at least a portion of the outer wall made up of a gas- selective membrane preferably having a CO2/O2 selectivity ratio greater than 1 : 1 ; an air intake means for conveying air into the interior of the plenum chamber; and an air output means for conveying air out of the interior of the plenum chamber.
  • the method for controlling carbon dioxide levels inside a shipping container which includes respiring produce, utilizing the defined carbon dioxide scrubber is also defined.
  • the present invention relates to a container for shipping and/or storing respiring produce, said container formed by four side walls, a ceiling and a floor, one of said side walls including a door through which said produce is put in and/or taken out of said container, comprising a curtain which includes a gas-selective membrane, preferably having a CO2/O2 selectivity ratio greater than 1 : 1, said curtain positioned close to said door and forming an air-tight seal dividing the interior of the container into a plenum chamber between said curtain and the door, and the remainder of the container in which the produce is placed (produce storage area); an air intake means for conveying fresh air from outside the container into the plenum chamber; and an air output means for conveying air from the plenum chamber to the outside of the container.
  • a curtain which includes a gas-selective membrane, preferably having a CO2/O2 selectivity ratio greater than 1 : 1, said curtain positioned close to said door and forming an air-tight seal dividing the interior of the container into
  • the air intake means and air output means are connected to the outside atmosphere through existing drain holes in the container bottom on the produce side of the membrane, and they pass through the membrane (with an air-tight seal where they pass through the membrane), and terminate in the plenum chamber.
  • the present invention also relates to a method for controlling the
  • a shipping container containing respiring produce said container formed by four side walls, a ceiling and floor, one of said walls including a door through which said produce is put in and/or taken out of said container, said container comprising a curtain which includes a gas-selective membrane, preferably having a CO 2 /O 2 selectivity ratio greater than 1 : 1 , said curtain position close to said door and forming an air-tight seal dividing the interior of the container into a plenum chamber between said curtain and the door, and the remainder of the container in which the produce is placed; an air intake means for conveying fresh air from outside the container into the plenum chamber; and an air output means for conveying air from the plenum chamber to the outside of the chamber; said method comprising circulating fresh air into the plenum chamber, such as when the carbon dioxide level in the storage portion of the container reaches a pre-defined level.
  • fresh air intake in the scrubber plenum area is directed to the membrane so as to maximize air flow across the
  • the curtain is lightweight and relatively simple, and does not present the weight or disposal problems which are found with conventional hydrated lime carbon dioxide control systems.
  • Figure 1 illustrates a perspective view of an embodiment of the present invention looking into the sea van container through the open rear doors of that container so as to see the gas plenum area and an embodiment of the curtain which includes the gas-selective membrane.
  • Figure 2 is a cutaway view looking into the side of the defined sea van container illustrating the produce load (in the produce storage area), an embodiment of the curtain which includes the gas-selective gas- permeable membrane and the gas plenum chamber area located between the curtain and the door of the sea van container.
  • the present invention defines modifications to the large shipping containers (for example, generally a minimum of about 40 feet in length) used for shipping respiring produce from their growing/harvesting areas to locations for retail sale.
  • the containers themselves, are well-known in the art, for example, as sea van containers.
  • the containers are generally rectangular in shape, formed by four side walls, a ceiling and a floor, one of the side walls (usually the rear side wall) including a door through which the produce is put in and/or taken out of the container.
  • the term "door” encompasses both a single door and a plurality of doors.
  • the containers are generally made from metal.
  • the side walls include two long walls (opposite each other) which define the length and the height of the container; and two short walls (i.e., the front and back walls), also opposite each other and perpendicular to the long walls, which define the width and the height of the container.
  • the rear wall of the container is one of these short walls and the doors are typically included in that rear wall.
  • the front wall typically (although not necessarily) includes a refrigeration system which maintains cargo temperatures at pre-determined levels.
  • the interior of the container includes a curtain which is located close to said door.
  • close to said door means that the curtain is essentially parallel to the wall which includes the door(s) and is located from about two inches to about two feet (preferably from about 2 inches to about 12 inches) away from said doors.
  • the sea van container may include a track located within a foot of the door for mounting of a curtain.
  • the curtain/membrane of the present invention can be snapped into this track using a plastic ribbon.
  • the curtain is made from a flexible plastic material, such as vinyl, polyethylene or similar flexible materials, and includes (preferably in its approximate center) a gas-selective membrane preferably having a CO2/O2 selectivity ratio greater than 1 : 1 (i.e., more CO2 molecules pass through the membrane than molecules of 0 2 ), preferably greater than about 2: 1, more preferably greater than about 8: 1.
  • the membrane generally has an area of from about 8,000 to about 10,000 square inches and is integral to the curtain.
  • the flexible curtain material can be fastened to the membrane, for example, using tape, glue or heat seal.
  • the curtain can optionally include a stiffener or other devices to maintain complete or partial rigidity of the curtain/membrane.
  • the stiffener can be a stiff plastic or light metal piece (or pieces), or corrugated material, and can be attached to and located on either side and/or the top and/or bottom of the curtain.
  • the curtain is located generally parallel to the rear wall and door of the container. It is attached all around to the side walls, the ceiling and the floor of the container in such a way as to provide an air-tight seal between the two sections it forms within the container.
  • the curtain may be attached to the container walls in any way known in the art, for example, by snapping it into a track, as described above, or using pressure, tape or glue, or other appropriate method.
  • the curtain divides the sea van container into two zones: a gas plenum chamber between the curtain and the rear wall containing the door, and the produce storage or shipment area between the curtain and the front wall of the container. The produce shipment area is much larger in volume when compared to the gas plenum area.
  • the gas plenum area generally has a volume of from about 25 to about 50 cubic feet.
  • the seal between the produce storage area and the gas plenum area is air tight (i.e., other than through the membrane, substantially no air flows through the curtain or the seals between the two areas).
  • the gas-selective membranes utilized in the present invention are well- known in the art. Such membranes selectively allow 0 2 and C0 2 molecules to pass through in one direction in a pre-determined ratio. Examples of such membranes are disclosed in U.S. Patent 6,376,032, Clarke et al, issued April 23, 2002; U.S. Patent 6,548, 132, Clarke et al, issued April 15, 2003; U.S. Patent 7, 169,451, Clarke et al, issued January 30, 2007; and U.S. Patent 7,601,374, Clarke, issued October 13, 2009, all of which are incorporated by reference herein.
  • the membrane For the membrane to function efficiently, fresh air must be delivered in sufficient quantities to one side of the membrane. It is highly desirable that the membrane be designed to be highly permeable to C0 2 with less permeability to 0 2 . The purpose of that membrane is to pass more C0 2 through from the produce storage area of the sea van container into the gas plenum area. Ideally, relatively little C0 2 passes from the gas plenum area back into the produce storage atmosphere. Depending upon the desired level of C0 2 to be maintained in the sea van container, air flow into the plenum chamber can be activated on a variable basis.
  • the membrane is used to control the concentration of carbon dioxide and/or oxygen passing from the gas plenum area into the produce storage area of the sea van container, and vice versa.
  • the membrane allows carbon dioxide to pass through it while allowing substantially less oxygen to pass through. This is beneficial because, during the produce respiration process, carbon dioxide is produced and it is important to prevent the carbon dioxide level from exceeding pre-determined levels in the produce shipment area of the container.
  • the membrane has a CO2/O2 selectivity ratio greater than 1 : 1 (i.e., the membrane allows more C0 2 molecules than 0 2 molecules through). In another embodiment, that ratio is greater than or equal to about 2: 1 , and even greater than or equal to about 8: 1.
  • the membrane utilized in the scrubbers of the present invention have a one-side surface area of from about 3,000 to about 12,000 square inches, for example from about 8,000 to about 10,000 square inches of membrane.
  • the gas plenum area is located between the curtain and the door, and one of the overall purposes of the invention is to deliver fresh air from outside the container to the gas plenum area (i.e., to the door side of the membrane), the door seal does not have to be air-tight in order for the present invention to work properly.
  • the present invention generally will include a pressure compensator in the produce shipment area of the sea van container. Since the membrane may remove more carbon dioxide by volume from the produce shipment area of the sea van container than can be replaced, this would form a vacuum to some degree within the container.
  • the pressure compensator is generally a pressure relief valve that meters small amounts of air into the produce shipment area of the container (for example, a one-way valve that allows air into the container to about 0.5 inches water column), to prevent excessive negative pressure from forming.
  • the defined scrubber structure also includes air intake means and air output means which connect the interior of the plenum chamber to the atmosphere outside the sea van container.
  • the air intake and output means will generally be made up of flexible tubes which may or may not include a valve to control the flow of air through the air intake/output means.
  • the purpose of the air intake and air output means is to circulate fresh air from the exterior of the container into the gas plenum area, and then to remove "conditioned" (i.e., high C0 2 ) air from inside the gas plenum area.
  • the gas plenum/scrubber operates and carbon dioxide is brought in from the produce storage area of the sea van container into the gas plenum area (through the gas-permeable membrane), the atmosphere within the gas plenum area accumulates higher levels of carbon dioxide.
  • the air containing excess C0 2 within the gas plenum area is flushed out and is exhausted to the exterior of the sea van container through the air output means, and fresh air from outside the sea van container (having a lower level of carbon dioxide) is brought into the chamber through the air input means.
  • This flushing process keeps C0 2 concentrations lower inside the gas plenum, which allows the gas-selective membrane to bring more carbon dioxide into the interior of the gas plenum area, thereby controlling the carbon dioxide level in the produce storage area of the sea van container.
  • the process is repeated as required to achieve the desired carbon dioxide (and oxygen) levels in the sea van container.
  • the air intake and output tubes are frequently attached to existing penetrations or holes in the sea van container (although other holes or openings may be fashioned in the sea van container for attachment to the air intake and output tubes).
  • An example is the "drain holes” that are customarily built into the floor of sea van containers both at the rear (door) and reefer end.
  • the "reefer end” of the container refers to the end of the container where the refrigeration equipment is located. It is desirable that the diameter of such holes allow for as much unrestricted air flow as possible.
  • the present invention can, however, operate even with the highly restricted drain hole openings frequently found in sea van containers. Other options for access to fresh air and exhausting of carbon dioxide enriched air may exist within the reefer unit configuration.
  • the air intake and output tubes are of such length and diameter as to allow them to hook into holes to the outside of the container.
  • the connections between the air input and output means with the outside of the sea van container can either be made within the gas plenum area or the tubes can go through the curtain and be connected to the outside of the container in the produce storage area.
  • the seal around the tubes through the curtain must be air-tight.
  • such seals can be formed by gasket fittings, screw-tightened fittings, sealants, glues, or tape; they do not allow air to flow through them (i.e., the seals) between the produce storage area and the gas plenum area.
  • the air input means can be structured to deliver fresh air to the top of the curtain. If that is the configuration, then the fresh air will wash down the height of the membrane thereby maximizing the contact of the fresh air with the membrane and, consequently, the efficiency of the membrane.
  • the scrubber of the present invention can include fans for moving air through the intake and output means (i.e., air intake fans and air output fans).
  • the fans can be actuated by control means or control devices associated with the controlled atmosphere systems which typically are present in the sea van container (e.g., in the produce storage area of the sea van container or in conjunction with the refrigeration unit), so that the air circulates efficiently and at the appropriate time.
  • control means or control devices associated with the controlled atmosphere systems which typically are present in the sea van container (e.g., in the produce storage area of the sea van container or in conjunction with the refrigeration unit), so that the air circulates efficiently and at the appropriate time.
  • the recirculation of fresh air within the gas plenum area can take place upon the occurrence of a specified or defined condition or conditions, such as when the carbon dioxide level in the gas plenum area or in the produce storage area reaches a defined level.
  • the specified condition(s) for actuating the air circulation can be based on a variety of criteria including, for example, respiration rate of produce in the sea van container, temperature of produce in the sea van container, length of the shipment/storage period of the produce, desired carbon dioxide and/or oxygen levels in the gas plenum area or the produce storage area of the sea van container, carbon dioxide and oxygen selectivity of the membrane, size (surface area) of the membrane, and combinations of any of those criteria.
  • the present invention also encompasses a method for controlling the carbon dioxide (or oxygen) levels inside a shipping container which contains respiring produce, the container formed by four side walls, a ceiling and a floor, one of said side walls including a door through which said produce is put in and/or taken out of said container, said container comprising a curtain which includes a gas-selective membrane, preferably having a CO2/O2 selectivity ratio greater than 1 : 1 , said curtain positioned close to said door and forming an air-tight seal dividing the interior of the container into a plenum chamber between said membrane and the door, and the remainder of the container in which the produce is placed; an air intake means for conveying fresh air from outside the container into the plenum chamber; and an air output means for conveying air from the plenum chamber to the outside of the container; said method comprising circulating fresh air into the plenum chamber, preferably when the carbon dioxide level in the produce storage area reaches a defined level.
  • This circulation of fresh air can be continuous, but frequently it will take place upon the occurrence of specified conditions, such as when the carbon dioxide level in the plenum area or the produce storage area reaches a pre-defined level.
  • the specified conditions which trigger circulation of the fresh air can be based on criteria selected from, for example, respiration rate of the produce in the sea van container, temperature of the produce in the sea van container, length of the produce shipment/storage period, the desired carbon dioxide and/or oxygen levels in the gas plenum area or the produce storage area of the sea van container, carbon dioxide and oxygen selectivity of the membrane, the size (surface area) of the membrane, and combinations of any of those criteria.
  • One or more fans can be used to circulate air into and out of the gas plenum area and the fans can be actuated by a control device, such as one located in the produce storage area of the sea van container.
  • the described design works as a substitute for the existing hydrated lime scrubbers currently used in the shipping of respiring produce. Control of the scrubber and power requirements are compatible with existing controlled atmosphere systems and sea van electrical power system constraints.
  • the scrubber configuration of the present invention is inexpensive, easily portable and easy to assemble in the field. Little or no cargo is displaced by use of the scrubber configuration in the sea van container. Sea van refrigerated air flow is not compromised and the scrubber components can be recycled for reuse.
  • FIG. 1 shows a view of the curtain (3) and gas-selective membrane
  • a flexible vinyl material may comprise the periphery of the curtain (3). This outer material is attached to the ceiling (5), the floor (1) and the two side walls (6) of the container forming an air-tight seal.
  • the curtain (3) is located quite close to the rear wall/doors (2) of the sea van container.
  • the approximate center of the curtain is comprised of a gas-selective membrane (4) and a stiffening frame (7) surrounds the membrane (4) to keep it from folding on itself. The stiffening frame maintains the membrane in its optimal gas selection configuration.
  • the gas plenum area (12) is located between the doors (2) (when closed) and the curtain (3).
  • the air input (8) and air output (9) means are noted and are shown to penetrate through the curtain and attach to the drain holes (10) in the interior of the sea van container (i.e.; in the produce storage area (13)).
  • the seals (15) around the air input (8) and output (9) means as they penetrate through the curtain are air-tight.
  • Figure 2 is a side cutaway view of the interior of the sea van container.
  • the curtain (3) which includes the membrane (4) can be seen separating the interior of the sea van container into the gas plenum area (12) (i.e., between the curtain and the door), and the produce storage area (13) (i.e., between the curtain and the front of the sea van) which holds the load being shipped (14).
  • the air input/output means (8 and 9), which pass through the curtain (3) and which attach to the existing drain hole (10) in the sea van floor are also shown.
  • a fan (1 1) for controlling the flow of air through the air input/output means is also shown.
  • a controller with sensors may be included in the plenum area and/or the produce storage area to control the flow of air between the outside atmosphere and the plenum area (for example, based on defined criteria, such as C0 2 content in the plenum area).

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Mechanical Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

L'invention concerne une configuration de laveur permettant de réguler les niveaux de dioxyde de carbone à l'intérieur d'un conteneur renfermant des produits respirants. Le laveur est constitué d'un rideau comprenant une membrane sélective vis-à-vis des gaz qui présente un rapport de sélectivité CO2/O2 supérieur à 1:1. Ledit rideau est positionné à proximité de la paroi arrière dudit conteneur et parallèlement à celle-ci, ladite paroi comportant une porte. Ledit rideau forme un joint étanche à l'air divisant l'intérieur du conteneur en une chambre de répartition d'air, entre ladite membrane et la porte (de la paroi arrière), et le reste du conteneur où se situent les produits. La structure comprend également un moyen d'admission d'air servant à acheminer de l'air frais depuis l'extérieur du conteneur jusqu'à la chambre de répartition d'air; et un moyen d'évacuation d'air servant à acheminer l'air depuis la chambre de répartition d'air jusqu'à l'extérieur du conteneur. À la différence des procédés actuels de régulation des niveaux de CO2 dans les conteneurs, tels que l'utilisation de chaux hydratée, la configuration de laveur de la présente invention est efficace, relativement peu coûteuse, n'occupe pas une partie de l'espace de stockage à l'intérieur du conteneur, ne pose pas de problème en ce qui concerne la manipulation ou l'élimination, et n'est pas fixée de façon permanente au conteneur. L'invention concerne également un procédé de régulation des niveaux de dioxyde de carbone à l'intérieur d'un conteneur renfermant des produits respirants, employant la configuration de décarbonateur décrite.
EP12740752.6A 2011-07-01 2012-06-22 Conteneur fourgon maritime à atmosphère contrôlée comprenant un contenant à dioxyde de carbone comportant un rideau décarbonateur Withdrawn EP2725914A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161503938P 2011-07-01 2011-07-01
PCT/US2012/043658 WO2013006283A1 (fr) 2011-07-01 2012-06-22 Conteneur fourgon maritime à atmosphère contrôlée comprenant un contenant à dioxyde de carbone comportant un rideau décarbonateur

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EP2725914A1 true EP2725914A1 (fr) 2014-05-07

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Country Status (3)

Country Link
US (1) US20130178145A1 (fr)
EP (1) EP2725914A1 (fr)
WO (1) WO2013006283A1 (fr)

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