EP2232503B1 - Vorrichtung für den transport und/oder die aufbewahrung von radioaktiven materialien und für die kontrollierte freisetzung von sauerstoff in einem umschlossenen gehäuse - Google Patents

Vorrichtung für den transport und/oder die aufbewahrung von radioaktiven materialien und für die kontrollierte freisetzung von sauerstoff in einem umschlossenen gehäuse Download PDF

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Publication number
EP2232503B1
EP2232503B1 EP08868359A EP08868359A EP2232503B1 EP 2232503 B1 EP2232503 B1 EP 2232503B1 EP 08868359 A EP08868359 A EP 08868359A EP 08868359 A EP08868359 A EP 08868359A EP 2232503 B1 EP2232503 B1 EP 2232503B1
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EP
European Patent Office
Prior art keywords
oxygen
release
closed enclosure
oxygen concentration
closed
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Not-in-force
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EP08868359A
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English (en)
French (fr)
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EP2232503A1 (de
Inventor
Pascale Abadie
Hervé ISSARD
Valentin Rohr
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TN International SA
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TN International SA
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    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00—Transportable or portable shielded containers
    • G21F5/06—Details of, or accessories to, the containers
    • G21F5/12—Closures for containers; Sealing arrangements
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00—Transportable or portable shielded containers
    • G21F5/06—Details of, or accessories to, the containers

Definitions

  • the present invention relates generally to the field of securing a closed enclosure defined in a device for transporting and / or storing radioactive materials.
  • the radiation emitted by the radioactive materials causes, by radiolysis, a transformation of a part of this water into different gases, including hydrogen and oxygen.
  • the containment enclosures may be equipped with a catalyst for the recombination of oxygen and hydrogen in water (or catalytic hydrogen recombinant), in contact with which hydrogen combines with the oxygen present. inside the enclosure closed to form water according to the catalytic oxidation mechanism of hydrogen.
  • one solution is to initially introduce, within the closed enclosure, means for releasing oxygen, constituted for example by a solid source of gaseous oxygen, as is apparent in FIG. particular of the document FR-A-2,874,120 .
  • This solid source takes the form of a peroxide, which, in contact with the water created in the closed chamber, releases gaseous oxygen.
  • oxygen is regularly generated within the chamber, but in uncontrollable quantities, which can lead to oxygen deficiency and therefore to an excess of non-recombined hydrogen, with the risks presented above. .
  • EP-A-0 383 153 describing a device for reducing the internal pressure in a radioactive waste storage device.
  • This device comprises a chamber placed in a lateral body opening or the lid of the waste storage device nuclear.
  • the interior of this chamber receives a catalyst and has an opening in communication with the internal storage space of the storage device, opening in which is placed a sintered metal candle.
  • the catalyst is separated from the outside by a wire cloth, a vapor permeable plate or a sintered metal cover.
  • the hydrogen that has formed in the storage device passes through the sintered metal candle, then arrives on the catalyst where the hydrogen is oxidized into water by the oxygen in the air.
  • the catalyst used comprises a precious metal, for example palladium on an inert support, for example alumina.
  • the internal storage space can not be considered as constituting a closed enclosure of a device for transporting and / or storing radioactive materials, since this space can not be closed, sealed and perfectly sealed, because of the need to make it communicate with the ambient air, constituting the external source of oxygen.
  • the invention therefore aims to at least partially overcome the disadvantages mentioned above, relating to the achievements of the prior art.
  • the invention firstly relates to a device for transporting and / or storing radioactive materials, comprising a closed enclosure and a system for securing said closed enclosure, said system comprising catalytic means for recombining hydrogen and oxygen in water, placed in said closed enclosure.
  • the system for securing said closed enclosure further comprises a device for controlled release of oxygen in said closed enclosure.
  • the release of oxygen in the closed chamber being now controlled, the risks of insufficiency and / or overflow of oxygen within this chamber are advantageously reduced to nothing, and this during any the duration of storage and / or transport of radioactive material.
  • the controlled release of oxygen into the enclosure can be automated, or not. In the latter case, it may in particular be means allowing an operator to trigger and / or stop itself the supply of oxygen into the chamber, from outside the latter.
  • the triggering of the oxygen release manual or automatic, is preferably performed following the detection of a low oxygen content, it is possible that this triggering is performed differently, for example at several times predetermined, namely at predetermined time intervals, preferably regular.
  • the invention operates with any type of oxygen release means, allowing a controlled release thereof, these means being placed in or out of the closed chamber.
  • it can for example be solid, liquid or gaseous oxygen sources, which, when they are intended to be arranged within the closed chamber, are preferably introduced into it before the closure of the transport and / or storage device, for then stay there permanently.
  • the device for the controlled release of oxygen is an integral part of the system for securing the closed enclosure of the device for transporting and / or storing radioactive materials.
  • This system may nevertheless include other active means, without departing from the scope of the invention.
  • the active means may not only comprise a catalyst for recombining oxygen and hydrogen in water, but also a desiccant, for limiting the presence of water inside the enclosure. Indeed, this presence causes significant risks of corrosion, so that it may then be necessary to achieve a cleansing thereof, namely a removal of water with the aid of the desiccant supra.
  • the recombination catalyst is chosen in particular from platinum or palladium-coated catalysts, and may take the form of palladium deposited on alumina, enabling both catalysis and drying to be carried out together. required.
  • said means for informing about the oxygen content are detection means for detecting the oxygen content in said closed enclosure, preferably of the oxygen sensor type.
  • the means for informing about the oxygen content are not designed to directly detect the oxygen content, this being in fact obtained indirectly from one or more other values which are correlated to it, such as a value of the content of another gas present in the chamber.
  • these gases whose content can be directly detected using appropriate means to provide information on the oxygen content, there are in particular hydrogen and carbon monoxide, or even hydrocarbons, I 2 , Cl 2 or CO 2 .
  • Estimates and / or calculations known to those skilled in the art then make it possible, from one or more of these values of detected contents, to provide information on the oxygen content within said closed enclosure, to then compare it with the predetermined threshold of oxygen content.
  • said control means could comprise an activated timer after each release of oxygen, preferably automatically.
  • the timer can apply a delay of several hours, for example 24 hours.
  • said means for informing about the oxygen content are connected to the control means so as to provide a value of the hydrogen content within said closed chamber, said control means being arranged to direct the release means to release oxygen, preferably in a predetermined amount, when said value exceeds a predetermined hydrogen content cap.
  • control means therefore automatically order the release of oxygen when the hydrogen content exceeds the predetermined ceiling.
  • the oxygen release ordered it could be maintained as the value of the hydrogen content provided by the detection means remains above the above ceiling. In such a case, the release of oxygen is then stopped as soon as the ceiling is reached, then a new release of oxygen is ordered only when the detected value goes back above the predetermined ceiling.
  • these preferably comprise one or more hydrogen content sensors disposed within said enclosure closed.
  • the means making it possible to provide information on the oxygen content can actually provide a value of the hydrogen content as just described, but alternatively provide a value of the content of one or more of the gases. contained in the chamber, among hydrogen and carbon monoxide, or even hydrocarbons, I 2 , Cl 2 or CO 2 .
  • control means are arranged outside said closed enclosure, and electrically powered by a power supply also arranged outside said closed enclosure, even if these elements could be placed in the enclosure, without departing from the scope of the invention .
  • each solid source preferably comprises a system for electrically triggering the thermal decomposition of the oxidizing compound, said triggering system being electrically connected to said control means capable of activating it.
  • control means of said oxygen releasing means is adapted to direct the releasing means, unconditionally, to release oxygen at each of said plurality of predetermined times.
  • said device allowing the controlled release of oxygen furthermore comprises means making it possible to provide information on the oxygen content within said closed enclosure, and that said means making it possible to provide information on the content.
  • oxygen are connected to the control means so as to provide a value of the oxygen content within said closed chamber, said control means being adapted to order at each of said plurality of predetermined times, the release means, an oxygen release, provided that said supplied value is less than a predetermined value of oxygen content.
  • said means for informing about the oxygen content are detection means for detecting the oxygen content within said closed chamber.
  • detection means for detecting the oxygen content are here also applicable.
  • other components of the oxygen controlled release device, described above in connection with the previous mode are also applicable to this preferred embodiment.
  • each ordered oxygen release results in a release of oxygen in a predetermined amount.
  • the invention furthermore relates to a method of securing a device for transporting and / or storing radioactive materials, comprising a closed enclosure as well as a system for securing said closed enclosure, said system comprising catalytic recombination means hydrogen and oxygen in water, placed in said closed enclosure.
  • a controlled release of oxygen is achieved in said closed chamber, preferably automated.
  • the device 1 generally comprises a lateral body 2, a bottom 4 possibly made in one piece with the body 2, and a cover 6 fixedly attached thereto. These elements jointly form a closed enclosure 8, in which are housed the radioactive material 10, such as waste cases.
  • the device 1 comprises a system for securing the closed enclosure 8, this system firstly comprising active means, among which several catalysts 12 for the recombination of oxygen and hydrogen in water, as well as a desiccating agent. (not shown) As has been schematized on the figure 1 the catalysts 12 are preferably distributed in the enclosure 8, in particular to avoid local concentrations of hydrogen.
  • the system for securing the closed enclosure comprises a device 16 for the controlled release of oxygen in the chamber 8, the purpose of which is to ensure the catalytic recombination of hydrogen during the entire transport period and / or storage of radioactive material. Consequently, the controlled release of oxygen allowed by the device 16 makes it possible, in particular, to cope with cases in which all of the oxygen initially present in the chamber has been consumed.
  • the device 16 firstly comprises detection means 20 for detecting the oxygen content in the chamber, these means preferably taking the form of one or more oxygen sensors 20 arranged in the chamber 8 these sensors can take any form known to those skilled in the art.
  • controllable oxygen release means 22 provided to release oxygen within the enclosure 8.
  • these means 22 housed in the enclosure comprise a plurality of solid sources 24 of gaseous oxygen, each solid source 24 comprising an oxidizing compound of the chlorate or sodium perchlorate type, capable of releasing gaseous oxygen by thermal decomposition.
  • control means 26 of the sources 24 comprise control means 26 of the sources 24.
  • These control means preferably in the form of an electronic control unit, comprise firstly means 28 for acquiring a value of oxygen content continuously supplied by the sensor 20 to which these means 28 are connected. They also make it possible to compare this value with a predetermined threshold of oxygen content in the enclosure, fixed for example between 3 and 6%, and preferably around 5%.
  • control means also have means 30 for ordering a release of oxygen contained in the sources 24.
  • the means 30 are therefore capable of generating a signal, for example an electric current, leading to the thermal decomposition of one of the solid sources 24, this signal passing through a sequencer 32 connected to the sources 24 and for conveying this signal from one of these sources not yet consumed.
  • the device 16 is designed to allow several time-spaced releases of oxygen, each release of oxygen preferably taking place by activating only one of the sources 24.
  • control means 26 comprise a timer 34 imposing a minimum time interval between two directly consecutive oxygen releases, and therefore between the actuation of two sources 24, this interval being for example set at about 24 hours.
  • control means 26 are preferably located outside the enclosure 8, as its power supply 36, which may optionally be integrated.
  • each solid source 24 comprises an oxidizing compound 40 capable of releasing oxygen gas by thermal decomposition.
  • this oxidizing compound consists of a block of chlorate or sodium perchlorate.
  • each solid source may consist of an oxygen cartridge / candle having an electrical trigger system for thermal decomposition, this system may for example take the form of an ignition pad 42.
  • the ignition pad 42 receiving the electrical signal from the means 30 and the sequencer 32, via the electrical connection 35 of the wired type connected to this chip, causes a combustion of an electric relay 44 of the candle, which maintains the thermal decomposition of the chlorate block or sodium perchlorate 40, until it is fully consumed.
  • the release of gaseous oxygen which results from this decomposition passes through a filter 46 of the candle, the purpose of which is to trap the harmful species resulting from this decomposition, such as soot, etc.
  • the mass of the chlorate or sodium perchlorate block 40 makes it possible to accurately determine the quantity of oxygen gas that is released during its thermal decomposition.
  • this quantity of oxygen being preferably fixed so that following its release into said closed chamber, the oxygen content is raised to a value between 20 and 30%, and preferably of the order of 25%.
  • the sensor 20 delivers a regular and continuous oxygen content value to the means 28 which compare it to the predetermined threshold. As long as the value is above the threshold, no action is taken. In contrast, if the value falls below the threshold, implying that the remaining amount of oxygen is insufficient to ensure a satisfactory catalytic recombination of the hydrogen in the chamber, an oxygen release order is automatically delivered by the means 30. Through the sequencer 32, this order in the form of an electrical signal is switched to the one of the solid sources 24 which has not yet been consumed, and activates the ignition pad 42 of the same source. Then, oxygen gas is released from this source as discussed above, in an amount which is known, and which can reach several liters. The release can take several minutes or more.
  • the oxygen release command is immediately followed by a timer applied by timer 34, which prohibits the issuance of a new oxygen release command until a given time interval has elapsed , such as 24 hours. Therefore, during this time interval, even if the value of the oxygen content detected by the sensor 20 is below the threshold, no new source triggering order 24 can be issued.
  • the value of the oxygen content supplied by the sensor 20 is normally close to the desired ceiling, and therefore much greater than the threshold.
  • the comparison made by the means 28 is then resumed, waiting to detect the new passage of the value below the predetermined threshold, which may occur several days, months or years after the previous one.
  • FIG 4 there is shown a device 1 for the transport and / or storage of radioactive materials, according to another preferred embodiment of the present invention.
  • the control means 26 of the device 16 differ from those just presented.
  • the elements bearing the same reference numerals correspond to identical or similar elements.
  • the control means 26 of the sources 24 are always in the form of an electronic control unit. They comprise a timer 50 or the like, in which a plurality of predetermined instants T1, T2, .., Tn are programmed, these times being spaced from each other by predetermined, preferably regular, time intervals. As an indicative example, the time interval used is set at several tens of days.
  • the control means 26 also comprise the means 28 for acquiring an oxygen content value supplied by the sensor 20 to which these means 28 are connected. They also make it possible to compare this value supplied with a predetermined value of oxygen content in the chamber, fixed for example between 30 and 70%, and preferably around 60%.
  • control means 26 also have means 30 for ordering an oxygen release contained in the sources 24, as well as the sequencer 32 connected to the sources 24 and making it possible to route the signal from one of these sources not yet consumed.
  • the device 16 is designed to allow several time-spaced releases of oxygen, each release of oxygen preferably taking place by activating only one of the sources 24.
  • the timer 50 detects the predetermined times T1, T2, .., Tn at which an oxygen release could be ordered.
  • the condition of limited oxygen content is verified by the means 28.
  • the sensor 20 delivers an oxygen content value to the means 28, which compare it to the predetermined value.
  • the value supplied is greater than the predetermined value, reflecting a very low unusual consumption of oxygen since the previous release, no action is taken, and no release of oxygen can take place before the next predetermined instant. This case reveals abnormal conditions, an alarm can be triggered when it occurs.
  • an oxygen release command is automatically delivered by the means 30.
  • this order in the form of an electrical signal is switched to one of the solid sources 24 that has not been consumed, and activates the ignition pad 42 of the same source. Then, oxygen gas is released from this source as discussed above, in an amount which is known, and which can reach several liters. The release can take several minutes or more. Due to the verification of the oxygen limited condition just prior to the release order, there is certainty that the new oxygen content, after the release of a certain amount of oxygen, does not reach a ceiling. criticism synonymous with overoxygenation.
  • the means 26 stand by a new predetermined instant T1, T2, .., Tn.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
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  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)

Claims (14)

  1. Vorrichtung (1) zum Transportieren und/oder Aufbewahren von radioaktiven Materialien (10) mit einem geschlossenen Gehäuse (8) und einem System (12, 16) zur Sicherheitsgewährleistung des geschlossenen Gehäuses, wobei das System in dem geschlossenen Gehäuse angeordnete katalytische Mittel (12) zur Rekombination von Wasserstoff und Sauerstoff zu Wasser aufweist,
    dadurch gekennzeichnet, dass das System zur Sicherheitsgewährleistung des geschlossenen Gehäuses außerdem eine Vorrichtung (16) aufweist, die eine gesteuerte Freisetzung von Sauerstoff in dem geschlossenen Gehäuse (8) erlaubt.
  2. Vorrichtung (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Vorrichtung (16), die die gesteuerte Freisetzung von Sauerstoff erlaubt, aufweist:
    - Mittel (20) zum Feststellen des Sauerstoffgehalts in dem geschlossenen Gehäuse,
    - steuerbare Sauerstofffreisetzungsmittel (22) zum Freisetzen von Sauerstoff in dem geschlossenen Gehäuse; und
    - Steuerungsmittel (26) zur Steuerung der Sauerstofffreisetzungsmittel.
  3. Vorrichtung (1) nach Anspruch 2, dadurch gekennzeichnet, dass die Mittel zum Feststellen des Sauerstoffgehalts mit den Steuerungsmitteln (26) verbunden sind, um ihnen einen Wert des Sauerstoffgehalts in dem geschlossenen Gehäuse zu liefern, wobei die Steuerungsmittel (26) vorgesehen sind, den Freisetzungsmitteln (22) eine Freisetzung von Sauerstoff, vorzugsweise in einer vorgegebenen Menge, anzuweisen, wenn der Wert eine vorgegebene Schwelle des Sauerstoffgehalts unterschreitet.
  4. Vorrichtung (1) nach Anspruch 3, dadurch gekennzeichnet, dass die Mittel zum Feststellen des Sauerstoffgehalts Detektionsmittel (20) sind, die eine Detektion des Sauerstoffgehalts in dem geschlossenen Gehäuse erlauben.
  5. Vorrichtung (1) nach Anspruch 4, dadurch gekennzeichnet, dass die Detektionsmittel (20) einen oder mehrere in dem geschlossenen Gehäuse angeordnete Sauerstoffgehaltssensoren aufweisen.
  6. Vorrichtung (1) nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass die Vorrichtung (16) zur gesteuerten Freisetzung von Sauerstoff konzipiert ist, mehrere Sauerstofffreisetzungen im zeitlichen Abstand zu erlauben, wobei jede Sauerstofffreisetzung von den Steuerungsmitteln (26) angewiesen wird, wenn der Wert die vorgegebene Schwelle des Sauerstoffgehalts unterschreitet.
  7. Vorrichtung (1) nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass die Steuerungsmittel (26) vorgesehen sind, zwischen zwei direkt aufeinanderfolgenden Sauerstofffreisetzungen ein minimales Zeitintervall vorzusehen.
  8. Vorrichtung (1) nach Anspruch 7, dadurch gekennzeichnet, dass die Steuerungsmittel ein Verzögerungsglied (34) aufweisen, das nach jeder Sauerstofffreisetzung aktiviert wird.
  9. Vorrichtung (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Vorrichtung (16), die die gesteuerte Sauerstofffreisetzung erlaubt, aufweist:
    - steuerbare Sauerstofffreisetzungsmittel (22) zum Freisetzen von Sauerstoff in dem geschlossenen Gehäuse; und
    - Steuerungsmittel (26) zur Steuerung der Sauerstofffreisetzungsmittel, die konzipiert sind, den Freisetzungsmitteln (22), gegebenenfalls unter Bedingungen, mehrere aufeinanderfolgende Sauerstofffreisetzungen jeweils an mehreren vorgegebenen Zeitpunkten (T1,T2,...,Tn) anzuweisen.
  10. Vorrichtung (1) nach Anspruch 9, dadurch gekennzeichnet, dass die Steuerungsmittel (26) zur Steuerung der Sauerstoftfreisetzungsmittel konzipiert sind, den Freisetzungsmitteln (22) ohne Bedingung eine Sauerstofffreisetzung an jedem der vorgegebenen Zeitpunkte (T1,T2,...,Tn) anzuweisen.
  11. Vorrichtung (1) nach Anspruch 9, dadurch gekennzeichnet, dass die Vorrichtung (16), die die gesteuerte Sauerstofffreisetzung erlaubt, außerdem Mittel (20) zum Feststellen des Sauerstoffgehalts in dem geschlossenen Gehäuse aufweiset und dass die Mittel (20) zum Feststellen des Sauerstoffgehalts mit den Steuerungsmitteln (26) verbunden sind, um ihnen einen Wert des Sauerstoffgehalts in dem geschlossenen Gehäuse zu liefern, wobei die Steuerungsmittel (26) konzipiert sind, an jedem der mehreren vorgegebenen Zeitpunkte (T1,T2,...,Tn) den Freisetzungsmitteln (22) eine Sauerstofffreisetzung unter der Bedingung, dass der gelieferte Wert einen vorgegebenen Wert des Sauerstoffgehalts unterschreitet, anzuweisen.
  12. Vorrichtung (1) nach Anspruch 11, dadurch gekennzeichnet, dass die Mittel zum Feststellen des Sauerstoffgehalts Detektionsmittel (20) zum Detektieren des Sauerstoffgehalts in dem geschlossenen Gehäuse sind.
  13. Vorrichtung (1) nach einem der Ansprüche 9 bis 12, dadurch gekennzeichnet, dass jede angewiesene Sauerstofffreisetzung eine Sauerstofffreisetzung in einer vorgegebenen Menge zur Folge hat.
  14. Verfahren zur Sicherheitsgewährleistung einer Vorrichtung (1) zum Transportieren und/oder Aufbewahren von radioaktiven Materialien (10), die ein geschlossenes Gehäuse (8) sowie ein System (12, 16) zur Sicherheitsgewährleistung des geschlossenen Gehäuses aufweist, wobei das System in dem geschlossenen Gehäuse (8) angeordnete katalytische Mittel zur Rekombination von Wasserstoff und Sauerstoff zu Wasser aufweist,
    dadurch gekennzeichnet, dass eine gesteuerte Freisetzung von Sauerstoff in dem geschlossenen Gehäuse durchgeführt wird.
EP08868359A 2007-12-21 2008-12-19 Vorrichtung für den transport und/oder die aufbewahrung von radioaktiven materialien und für die kontrollierte freisetzung von sauerstoff in einem umschlossenen gehäuse Not-in-force EP2232503B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0760231A FR2925752B1 (fr) 2007-12-21 2007-12-21 Dispositif de transport et/ou de stockage de matieres radioactives concu pour permettre la liberation controlee d'oxygene dans une enceinte fermee
PCT/EP2008/068002 WO2009083491A1 (fr) 2007-12-21 2008-12-19 Dispositif de transport et/ou de stockage de matieres radioactives conçu pour permettre la liberation commandee d'oxygene dans une enceinte fermee

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EP2232503A1 EP2232503A1 (de) 2010-09-29
EP2232503B1 true EP2232503B1 (de) 2011-08-24

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US (1) US8263003B2 (de)
EP (1) EP2232503B1 (de)
JP (1) JP2011506990A (de)
AT (1) ATE521973T1 (de)
ES (1) ES2370572T3 (de)
FR (1) FR2925752B1 (de)
WO (1) WO2009083491A1 (de)

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JP2000098075A (ja) * 1998-07-23 2000-04-07 Toshiba Corp 可燃性ガス除去装置
JP4615749B2 (ja) * 2001-03-22 2011-01-19 日揮株式会社 放射性廃棄物処理方法及びその装置
EP1332789B1 (de) * 2002-02-04 2008-04-09 AREVA NP GmbH Verfahren zur katalytischen Oxidation eines Gases sowie Rekombinationseinrichtung zur Durchführung des Verfahrens und System mit derartigen Rekombinationseinrichtung
FR2874120B1 (fr) * 2004-08-09 2006-11-24 Cogema Logistics Sa Procede et dispositif d'elimination des gaz inflammables dans une enceinte fermee et enceinte equipee d'un tel dispositif
DE102008013213B3 (de) * 2008-03-07 2010-02-18 Areva Np Gmbh Verfahren zur katalytischen Rekombination von in einem Gasstrom mitgeführtem Wasserstoff mit Sauerstoff sowie Rekombinationssystem zur Durchführung des Verfahrens

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FR2925752A1 (fr) 2009-06-26
FR2925752B1 (fr) 2012-03-09
ATE521973T1 (de) 2011-09-15
US8263003B2 (en) 2012-09-11
WO2009083491A1 (fr) 2009-07-09
JP2011506990A (ja) 2011-03-03
US20110095208A1 (en) 2011-04-28
EP2232503A1 (de) 2010-09-29
ES2370572T3 (es) 2011-12-20

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