WO2007020034A1 - Procede et dispositif pour conditionner un gaz utilise pour le transport et/ou la conservation de produits alimentaires - Google Patents

Procede et dispositif pour conditionner un gaz utilise pour le transport et/ou la conservation de produits alimentaires Download PDF

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Publication number
WO2007020034A1
WO2007020034A1 PCT/EP2006/008013 EP2006008013W WO2007020034A1 WO 2007020034 A1 WO2007020034 A1 WO 2007020034A1 EP 2006008013 W EP2006008013 W EP 2006008013W WO 2007020034 A1 WO2007020034 A1 WO 2007020034A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
oxidation
water
dried
hydrocarbon compounds
Prior art date
Application number
PCT/EP2006/008013
Other languages
German (de)
English (en)
Inventor
Andreas Zapalla
Original Assignee
Andreas Zapalla
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 Andreas Zapalla filed Critical Andreas Zapalla
Priority to EP06776826A priority Critical patent/EP1917094A1/fr
Publication of WO2007020034A1 publication Critical patent/WO2007020034A1/fr

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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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B01D53/261—Drying gases or vapours by adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • 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
    • B01D53/265—Drying gases or vapours by refrigeration (condensation)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75—Multi-step processes
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702—Hydrocarbons
    • 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
    • B01D2259/40001—Methods relating to additional, e.g. intermediate, treatment of process gas
    • 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
    • B01D2259/4525—Gas separation or purification devices adapted for specific applications for storage and dispensing systems

Definitions

  • the invention relates to a method for conditioning a gas intended for the transport and / or storage of food, in which gas to be conditioned is compressed, the compressed gas is cooled, from which cooled gas is separated to produce substantially anhydrous gas, the substantially anhydrous gas is dried and the dried gas is finally released for the transport and / or storage of food in the extent conditioned form.
  • the invention further relates to a device for conditioning a gas intended for transport and / or storage of food, in which device a compressor for compressing gas to be conditioned is provided, a cooler for cooling the compressed gas, a separator for separating water from the cooled gas to produce substantially anhydrous gas, a dryer for drying the in essential anhydrous gas, and a dispensing unit for dispensing the dried and so far conditioned for the transport and / or storage of food gas is provided.
  • Such methods and apparatus for conditioning a gas intended for transport and / or storage of food are known in the art.
  • a generic device is known for example from DE 101 43 527 C2.
  • a device for conditioning a controlled for the transport and / or storage of food atmosphere volume with a compressed air treatment device in the compressed air clean, dry and with a higher nitrogen content is providable, and with a humidity control device, the arranged downstream of the compressed air treatment device and in which the moist content of the compressed air treatment device leaving, enriched in its nitrogen content compressed air is influenced, the
  • Compressed air treatment device has a cyclone separator, in the condensate, which arises in the generation of compressed air from ambient air in a compressor disposed upstream of the compressed air conditioning device is separated from the compressed air, a connected to the cyclone separator microfilter, which is arranged downstream of the cyclone separator and in which from the The compressed air leaving the cyclone separator particles and aerosols are deposited, and an adsorption dryer, which is arranged downstream of the microfilter and in which the compressed air leaving the microfilter is dry until reaching a presettable dew point.
  • a disadvantage of this known device is that the condensate separated from the compressed air by the cyclone separator does not meet the legally prescribed requirements for the maximum permissible content of hydrocarbon compounds in the condensate.
  • Current legislation requires that such a condensate, consisting essentially of water, should have a maximum load of hydrocarbon compounds, which is the limit of 0.001 ppm if this condensate is released into the environment or returned to the gas intended for transport and / or storage of the food.
  • the device disclosed therein achieves only a residual oil aerosol content in the conditioned gas of ⁇ 0.01 ppm. A gas contaminated with such a value shall not be used, as stated above, as gas intended for the transport and / or storage of food.
  • the known device does not meet the legal requirements, so that in the known device, the separated water must not be discharged but rather must be collected in the device until appropriate disposal.
  • the known device can not be used in practice because, on the one hand, the separated water can not be used to adjust the relative humidity of the gas to be conditioned and, on the other hand, the separated water can not be released to the environment.
  • Object of the present invention is to improve methods and devices of the type mentioned in such a way that the disadvantages described above are avoided.
  • this object is achieved in that the compressed gas is subjected to oxidation prior to cooling.
  • the above object is achieved according to the invention in that a converter for oxidizing the compressed gas is interposed between the compressor and the cooler before the gas is cooled.
  • the advantages of the present invention are, in particular, that due to the oxidation of the compressed gas prior to the cooling of the compressed gas, a content of hydrocarbon compounds in the thus treated gas - A -
  • Food can be used as well as delivered directly to the environment.
  • the inventive oxidation of the gas to be conditioned offers the decisive advantage that the known from the prior art, expensive and expensive to dispose of microfilters is superfluous and, moreover, no collection of contaminated water is more necessary. Rather, the invention provides completely environmentally friendly and oil-free water or gas to the invention.
  • the oxidation takes place in such a way that substantially complete oxidation of hydrocarbon compounds contained in the gas takes place.
  • a substantially complete oxidation is to be understood as meaning that the oxidation is carried out at least to the extent that the content of hydrocarbon compounds in the gas and / or the separated water after the oxidation is at most 0.001 ppm.
  • the at least partially separated water is returned to the dried gas prior to the discharge of the gas.
  • This feeding is done preferably controlled, more preferably regulated, depending on a desired relative humidity of the gas in dispensing the gas.
  • the separated water is at least partially, preferably completely, unfiltered discharged directly into the environment.
  • the dried gas is enriched with nitrogen before being dispensed in order to minimize the reaction potential of the dispensed gas with foodstuffs.
  • the sole FIGURE shows an embodiment 1 of a device according to the invention for conditioning a gas intended for the transport and / or storage of foodstuffs.
  • the food 2 are located in a container 4.
  • a gas to be conditioned for example, ambient air is used.
  • the ambient air is sucked in via an intake 6 by a compressor 8 for compressing the ambient air.
  • the ambient air is then compressed in the compressor 8 by means of a non-illustrated electric motor in the conventional manner known to those skilled in the art to a desired level to compressed air.
  • the compressed air is then supplied via a connecting line 10 to a converter 12. In the converter as complete as possible oxidation of the hydrocarbon compounds contained in the compressed air is made.
  • This oxidation is carried out to such an extent that the compressed air leaving the converter via a connecting line 14 has a maximum content of hydrocarbon compounds of 0.001 ppm.
  • the thus-oxidized compressed air is then supplied via the connecting line 14 to a cooler 16.
  • the cooler 16 cools the compressed air in the conventional manner known to those skilled in the art and manner to a desired level.
  • the cooler 16 is connected via a line 18 to a water separator 20.
  • the water separator 20 is discharged via a drain line 22 no longer needed water and the environment. Due to the oxidation carried out in the converter 12, this water has a maximum content of hydrocarbon compounds of less than 0.001 ppm.
  • the water from the water separator 20 can be delivered via the water separator 20 to a desired extent also to a control and regulating unit 23 serving as a dispensing unit for the converted gas via a connecting line 24.
  • the radiator 16 is connected via a connecting line 26 to a dryer 28.
  • the compressed air supplied via the line 26 is dried to a desired level in a manner known to those skilled in the art.
  • the dried compressed air passes via a connecting line 30 to a nitrogen enrichment device 32.
  • the nitrogen enrichment device 32 the dried compressed air supplied via the line 30 is enriched with a desired content of nitrogen.
  • the thus supplied compressed air is discharged via a connecting line 34 from the nitrogen enrichment device 32 to the control and regulation unit 23.
  • the oxidized, cooled, dried and nitrogen-enriched compressed air is provided with a desired level of relative humidity via water supplied via the conduit 24.
  • the water supplied from the line 24 is injected into the container 4 via a supply line 36 to be supplied gas flow.
  • Transport and / or storage is thus due to the device 1 of the drawing, compressed, oxidized, cooled, dried, provided with nitrogen and provided with a desired relative humidity Ambient air supplied, which is inventively characterized in that it has a content of hydrocarbon compounds of less than 0.001 ppm.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Nutrition Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Drying Of Gases (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)

Abstract

La présente invention concerne un dispositif et un procédé pour conditionner un gaz utilisé pour le transport et/ou la conservation de produits alimentaires (2). Selon l'invention, le gaz à conditionner est comprimé, le gaz comprimé est refroidi, l'eau présente dans le gaz refroidi est séparée pour permettre l'obtention d'un gaz sensiblement déshydraté, le gaz sensiblement déshydraté est séché, le gaz séché est dégagé, en particulier dans un contenant (4) destiné au transport et/ou à la conservation des produits alimentaires (2). L'invention se caractérise en ce que le gaz comprimé est oxydé avant son refroidissement.
PCT/EP2006/008013 2005-08-12 2006-08-14 Procede et dispositif pour conditionner un gaz utilise pour le transport et/ou la conservation de produits alimentaires WO2007020034A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06776826A EP1917094A1 (fr) 2005-08-12 2006-08-14 Procede et dispositif pour conditionner un gaz utilise pour le transport et/ou la conservation de produits alimentaires

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200510038559 DE102005038559A1 (de) 2005-08-12 2005-08-12 Verfahren und Vorrichtung zur Konditionierung eines für den Transport und/oder die Aufbewahrung von Lebensmitteln vorgesehenen Gases
DE102005038559.1 2005-08-12

Publications (1)

Publication Number Publication Date
WO2007020034A1 true WO2007020034A1 (fr) 2007-02-22

Family

ID=37036836

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/008013 WO2007020034A1 (fr) 2005-08-12 2006-08-14 Procede et dispositif pour conditionner un gaz utilise pour le transport et/ou la conservation de produits alimentaires

Country Status (3)

Country Link
EP (1) EP1917094A1 (fr)
DE (1) DE102005038559A1 (fr)
WO (1) WO2007020034A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103416477A (zh) * 2013-07-20 2013-12-04 石台县小菜一碟农产品有限公司 瓶装野生竹笋充氮保鲜工艺

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008047663A1 (de) 2008-09-15 2010-04-15 Hochhaus, Karl-Heinz, Dr.-Ing. System zur Erzeugung von kontrollierter Atmosphäre

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2103593A (en) * 1981-08-10 1983-02-23 Hunting Hivolt Ltd Removal of hydrocarbon impurity from O2-containing gas stream
EP0585174A1 (fr) * 1992-08-26 1994-03-02 Ram Lavie Dispositif pour le séchage rapide de l'air comprimé
DE10008609C1 (de) * 2000-02-24 2001-09-27 Bauer Kompressoren Filter und Verfahren zur Abtrennung von Ölspuren aus Druckgasen
DE10143527A1 (de) * 2001-09-05 2003-03-27 Siemens Ag Vorrichtung zur Konditionierung eines kontrollierten Atmosphärevolumens
DE102004056954A1 (de) * 2004-11-23 2006-06-01 Pneumatik Berlin Gmbh Ptm Verfahren und Vorrichtung zur Erzeugung medizinischer Druckluft

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL123101B1 (en) * 1979-09-12 1982-09-30 Polska Akademia Nauk Instytut Katalizy I Fizykochemii Powierzchni Method of storage of garden produce preserving freshness
DD219377A1 (de) * 1983-12-01 1985-03-06 Univ Leipzig Verfahren zur komplexen klimatisierung von obstlagerhallen o. dgl.
US4817391A (en) * 1987-11-02 1989-04-04 Elman Roe Method and apparatus for producing a controlled atmosphere
JPH02215343A (ja) * 1989-02-17 1990-08-28 Mitsubishi Heavy Ind Ltd 植物体貯蔵時の気相環境処理方法
GB9723032D0 (en) * 1997-11-01 1998-01-07 Domnick Hunter Ltd Gas irradiation treatment
JP2000316373A (ja) * 1999-05-12 2000-11-21 Utopia Kikaku:Kk 農産物から発生するエチレンガスの光触媒ガス分解装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2103593A (en) * 1981-08-10 1983-02-23 Hunting Hivolt Ltd Removal of hydrocarbon impurity from O2-containing gas stream
EP0585174A1 (fr) * 1992-08-26 1994-03-02 Ram Lavie Dispositif pour le séchage rapide de l'air comprimé
DE10008609C1 (de) * 2000-02-24 2001-09-27 Bauer Kompressoren Filter und Verfahren zur Abtrennung von Ölspuren aus Druckgasen
DE10143527A1 (de) * 2001-09-05 2003-03-27 Siemens Ag Vorrichtung zur Konditionierung eines kontrollierten Atmosphärevolumens
DE102004056954A1 (de) * 2004-11-23 2006-06-01 Pneumatik Berlin Gmbh Ptm Verfahren und Vorrichtung zur Erzeugung medizinischer Druckluft

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103416477A (zh) * 2013-07-20 2013-12-04 石台县小菜一碟农产品有限公司 瓶装野生竹笋充氮保鲜工艺

Also Published As

Publication number Publication date
DE102005038559A1 (de) 2007-02-15
EP1917094A1 (fr) 2008-05-07

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