Nothing Special   »   [go: up one dir, main page]

FR2942965A1 - Air treatment device for purification of air, has catalyst arranged on secondary creation unit, where secondary creation unit distinct from primary creation unit is traversed by air flow - Google Patents

Air treatment device for purification of air, has catalyst arranged on secondary creation unit, where secondary creation unit distinct from primary creation unit is traversed by air flow Download PDF

Info

Publication number
FR2942965A1
FR2942965A1 FR0901216A FR0901216A FR2942965A1 FR 2942965 A1 FR2942965 A1 FR 2942965A1 FR 0901216 A FR0901216 A FR 0901216A FR 0901216 A FR0901216 A FR 0901216A FR 2942965 A1 FR2942965 A1 FR 2942965A1
Authority
FR
France
Prior art keywords
air
catalyst
creation unit
photocatalysis
support material
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Withdrawn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
FR0901216A
Other languages
French (fr)
Inventor
Valery Bonnet
Christophe Chalot
Sylvain Rougeau
Jerome Taranto
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.)
BIOWIND GROUP, FR
Original Assignee
BIOWIND
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 BIOWIND filed Critical BIOWIND
Priority to FR0901216A priority Critical patent/FR2942965A1/en
Publication of FR2942965A1 publication Critical patent/FR2942965A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00Disinfection, sterilisation or deodorisation of air
    • A61L9/16Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18Radiation
    • A61L9/20Ultraviolet radiation
    • A61L9/205Ultraviolet radiation using a photocatalyst or photosensitiser
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/88Handling or mounting catalysts
    • B01D53/885Devices in general for catalytic purification of waste gases
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10Apparatus features
    • A61L2209/14Filtering means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20707Titanium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/80Type of catalytic reaction
    • B01D2255/802Photocatalytic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/80Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • B01D2259/804UV light
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/30Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39Photocatalytic properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/0215Coating
    • B01J37/0225Coating of metal substrates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Epidemiology (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

The device has a shell containing a catalyst i.e. Titanium dioxide, permitting photocatalysis of air. An activation system i.e. UV lamp (12), activates the catalyst. A primary creation unit i.e. centrifugal turbine (6), creates flow of air before treating the air. A secondary creation unit distinct from the primary creation unit is traversed by the air flow. The catalyst is arranged on the secondary creation unit. The secondary creation unit consists of support materials (8) having a metal knitted fabric type material whose meshes are covered with a part of the catalyst.

Description

-1- La présente invention concerne un nouveau dispositif pour le traitement de l'air utilisant, entre autres, la photocatalyse. Il est connu des dispositifs de ce type dans lequel le catalyseur permettant la photocatalyse est généralement du dioxyde de titane (TiO2) réparti sur les pales d'un ventilateur, ledit catalyseur étant activé par un système consistant par exemple en un éclairage UV (ultra violet) ; un tel dispositif est par exemple décrit dans le brevet français FR 0608533. Le dispositif selon la présente invention se distingue toutefois de façon substantielle du dispositif décrit dans le brevet précité, tant au niveau de sa conception et de l'agencement de ses différents constituants qu'au niveau de son mode d'utilisation et de ses performances. En effet, le dispositif selon la présente invention se caractérise par le fait que, contrairement au dispositif décrit dans le brevet français précité, la partie où se produit la photocatalyse est exempte d'éléments mobiles, comme par exemple un ventilateur, qu'il soit tangentiel ou non, sur lequel est disposé le catalyseur tel que le TiO2. De façon plus précise, le dispositif selon l'invention qui est du type comportant un catalyseur, tel que le TiO2. permettant la photocatalyse de l'air, un système d'activation dudit catalyseur, tel qu'un éclairage UV ainsi que des premiers moyens destinés à créer un flux d'air devant être traité, est caractérisé en ce qu'il comprend en outre des seconds moyens, distincts des premiers, traversés par ledit flux d'air, le catalyseur permettant ladite photocatalyse étant disposé sur lesdits seconds moyens. Selon un mode préférentiel de l'invention, lesdits seconds moyens consistent en au moins un matériau support à travers lequel passera le flux d'air à traiter. Avantageusement, ledit matériau support consiste en un matériau du type tricot métallique dont les mailles sont recouvertes au moins en partie du catalyseur permettant ladite photocatalyse. Plus avantageusement encore, ledit matériau support sur lequel est disposé le catalyseur permettant la photocatalyse est réparti entre une enveloppe cylindrique externe et une enveloppe cylindrique interne, l'une et l'autre de ces enveloppes étant en une matière perforée. Selon une variante préférée de l'invention, ledit matériau support sur lequel est disposé le catalyseur permettant la photocatalyse est lui-même entouré d'un filtre cylindrique destiné à arrêter les particules et poussières et contenu dans une enveloppe réalisée en une matière perforée. -2- La présente invention sera mieux comprise à la lecture de la description qui va suivre faite en regard des figures parmi lesquelles : la figure 1 est une vue en écorché et en perspective d'un premier mode de réalisation de l'invention, - la figure 2 une vue en coupe longitudinale du dispositif selon un deuxième mode de réalisation de l'invention, et - la figure 3 est une vue en coupe transversale du dispositif selon ce deuxième mode de réalisation de l'invention. La figure 1 illustre de façon schématique un premier mode de réalisation du dispositif selon l'invention. De façon générale, le dispositif selon l'invention est destiné à traiter l'air en le purifiant, c'est-à-dire en le libérant d'un certain nombre de substances chimiques, biologiques et particulaires qui peuvent s'avérer nocives ou toxiques à plus ou moins long terme. The present invention relates to a novel device for the treatment of air using, inter alia, photocatalysis. Devices of this type are known in which the catalyst enabling the photocatalysis is generally titanium dioxide (TiO2) distributed on the blades of a fan, said catalyst being activated by a system consisting for example of a UV light (ultra violet ); such a device is for example described in the French patent FR 0608533. The device according to the present invention however differs substantially from the device described in the aforementioned patent, both in terms of its design and the arrangement of its various constituents qu 'in terms of its use and performance. Indeed, the device according to the present invention is characterized in that, unlike the device described in the aforementioned French patent, the part where the photocatalysis occurs is free of moving elements, such as a fan, whether it is tangential or not, on which is disposed the catalyst such as TiO2. More specifically, the device according to the invention which is of the type comprising a catalyst, such as TiO 2. enabling photocatalysis of the air, an activation system of said catalyst, such as UV lighting and first means for creating a flow of air to be treated, is characterized in that it further comprises second means, distinct from the first, traversed by said air flow, the catalyst for said photocatalysis being disposed on said second means. According to a preferred embodiment of the invention, said second means consist of at least one support material through which the flow of air to be treated will pass. Advantageously, said support material consists of a material of the metal knit type whose meshes are covered at least in part with the catalyst enabling said photocatalysis. More preferably, said support material on which is disposed the catalyst for photocatalysis is distributed between an outer cylindrical envelope and an inner cylindrical envelope, one and the other of these envelopes being a perforated material. According to a preferred variant of the invention, said support material on which is disposed the catalyst for photocatalysis is itself surrounded by a cylindrical filter for stopping particles and dust and contained in an envelope made of a perforated material. The present invention will be better understood on reading the following description with reference to the figures, in which: FIG. 1 is a cut-away and perspective view of a first embodiment of the invention; Figure 2 a longitudinal sectional view of the device according to a second embodiment of the invention, and - Figure 3 is a cross sectional view of the device according to this second embodiment of the invention. Figure 1 schematically illustrates a first embodiment of the device according to the invention. In general, the device according to the invention is intended to treat the air by purifying it, that is to say by releasing it from a certain number of chemical, biological and particulate substances which may prove to be harmful or toxic to more or less long term.

Parmi les substances chimiques, on peut mentionner les composés gazeux, en particulier les composés azotés de type NON, présentant un danger pour l'homme et l'environnement, ou bien des composés organiques volatiles, en particulier les composés aromatiques et/ou halogénés, présentant le même risque de danger. S'agissant des substances biologiques, on citera tout naturellement des spores, des champignons, des virus et /ou des bactéries comme par exemple les Legionella pneumophila à l'origine de légionelloses sévères, voire mortelles pour l'homme. S'agissant des substances particulaires, on citera les poussières et notamment les particules micrométriques qui véhiculent des allergènes et autres acariens. Le but du dispositif selon l'invention est donc de détruire ces différentes substances, préservant ainsi la santé humaine et l'environnement. Selon ce premier mode, le dispositif selon l'invention se présente sous forme d'un caisson (1) dans lequel sont répartis différents cadres (2), (3), (4). Dans l'exemple illustré, il y a deux cadres (2) constituant le système d'activation, par exemple un éclairage ultra violet (UV) connu en soi, destiné à activer le catalyseur, par exemple du dioxyde de titane (TiO2), permettant la photocatalyse de l'air qu'il s'agit de traiter. Le nombre de cadres (2) et (3) peut varier, mais il est nécessaire qu'un cadre (3) contenant le catalyseur tel que le TiO2 permettant la photocatalyse de l'air à traiter, se situe toujours en vis-à-vis d'un cadre (2), voire soit pris en sandwich entre deux cadres (2). -3- S'agissant des cadres (3), la matière utilisée sera avantageusement un tricot métallique, ou une structure en nid d'abeille, ou toute autre substance poreuse susceptible de se laisser traverser par le flux d'air à traiter. Quelle que soit la matière utilisée, elle sera en tout ou partie recouverte d'un catalyseur dont la fonction a été précédemment rappelée. Among the chemical substances, mention may be made of gaseous compounds, in particular nitrogen compounds of NO type, presenting a danger for man and the environment, or volatile organic compounds, in particular aromatic and / or halogenated compounds, presenting the same risk of danger. As regards biological substances, spores, fungi, viruses and / or bacteria, such as for example Legionella pneumophila, which causes severe legionnaires disease, or even death for humans, will naturally be mentioned. As regards the particulate substances, mention will be made of dust and in particular micrometric particles which convey allergens and other mites. The purpose of the device according to the invention is therefore to destroy these different substances, thus preserving human health and the environment. According to this first mode, the device according to the invention is in the form of a box (1) in which are distributed different frames (2), (3), (4). In the example illustrated, there are two frames (2) constituting the activation system, for example an ultraviolet (UV) light known per se, for activating the catalyst, for example titanium dioxide (TiO 2), allowing the photocatalysis of the air which it is a question of treating. The number of frames (2) and (3) can vary, but it is necessary that a frame (3) containing the catalyst such as TiO2 allowing the photocatalysis of the air to be treated, is always vis-à-vis screw of a frame (2), or sandwiched between two frames (2). As regards the frames (3), the material used will advantageously be a metal knit, or a honeycomb structure, or any other porous substance likely to be passed through by the flow of air to be treated. Whatever the material used, it will be wholly or partly covered with a catalyst whose function has previously been recalled.

Les différents cadres (2) et (3) sont conçus et agencés de telle sorte que le caisson (1) sera traversé de part en part par le flux d'air à traiter. De façon schématique sur cette figure 1, l'entrée de l'air est symbolisée par E et sa sortie par S . En outre, les moyens permettant de créer un flux d'air en l'obligeant à traverser le caisson (1), que ce soit en soufflant l'air au niveau de l'entrée E ou en l'aspirant au niveau de la sortie S, ne sont pas représentés ici. En outre, les parois du caisson (1) situées du côté de l'entrée et de la sortie de l'air sont bien entendu conçues pour laisser entrer et sortir l'air. Préférentiellement un ou plusieurs cadres supplémentaires (4) sont prévus à l'entrée E du caisson (1) consistant en un ou des filtres mécaniques, standards (filtres gravimétriques et/ou opacimétriques et/ou haute efficacité et/ou ultra haute efficacité), destinés à arrêter les particules solides contenues dans l'air à traiter. Les autres composants du dispositif selon l'invention, tels que système d'alimentation et de commande électriques, habillage du caisson, systèmes de protection et/ou de mobilité du caisson (1), analyseurs de gaz, ne sont pas représentés dans cette figure 1. The various frames (2) and (3) are designed and arranged so that the box (1) will be traversed right through by the air flow to be treated. In a schematic manner in this FIG. 1, the entry of the air is symbolized by E and its exit by S. In addition, the means for creating an air flow by causing it to pass through the box (1), either by blowing the air at the inlet E or by sucking at the outlet S, are not represented here. In addition, the walls of the box (1) located on the side of the inlet and the outlet of the air are of course designed to let in and out the air. Preferably one or more additional frames (4) are provided at the entrance E of the box (1) consisting of one or more mechanical filters, standard (gravimetric and / or opacimetric filters and / or high efficiency and / or ultra high efficiency), intended to stop the solid particles contained in the air to be treated. The other components of the device according to the invention, such as electrical power supply and control system, cabinet casing, protection and / or mobility systems of the casing (1), gas analyzers, are not represented in this figure. 1.

Les figures 2 et 3 illustrent un deuxième mode de réalisation de l'invention, respectivement en coupe longitudinale et en coupe transversale. Référence est maintenant faite aux figures 2 et 3, où le dispositif est globalement référencé (5) ; une turbine centrifuge (6) permet de créer le flux d'air à traiter à l'intérieur du dispositif (5). L'air une fois traité est évacué au niveau de la base (17) du dispositif (5) munie d'orifices à cet effet, non représentés ici. Un matériau support (8) de forme cylindrique, dont la partie centrale (9) est évidée, comportera le catalyseur, ou matériau équivalent, permettant d'effectuer la photocatalyse de l'air à traiter ; ce catalyseur, tel que le dioxyde de titane, sera disposé sur un support (8), tel qu'un tricot métallique dont les mailles seront recouvertes en tout ou partie dudit catalyseur. D'autres matières que ce tricot métallique sont envisageables dès lors qu'elles remplissent les mêmes fonctions, à savoir servir de support au catalyseur et se laisser traverser par le flux d'air à traiter. Selon une variante d'exécution ici représentée le matériau support (8) sera disposé entre des enveloppes cylindriques coaxiales interne (10) et externe (11) réalisées en une matière perforée ; à titre préférentiel, les perforations desdites enveloppes (10) et (11) -4- représenteront entre 40 et 70 % de la surface totale desdites enveloppes. Ces dernières pourront être réalisées en tôle métallique ou en matière plastique. Dans la partie centrale évidée (9) précitée, sera disposé le système d'activation du catalyseur consistant en des lampes (12) émettant dans le domaine ultra violet et connues en soi ; avantageusement, ainsi qu'il est illustré à la figure 2, les lampes (12) seront disposées sur sensiblement toute la hauteur du matériau support comportant le catalyseur (8) afin d'assurer une activation optimale dudit catalyseur. En outre, ces lampes (12) pourront être amovibles, l'utilisateur du dispositif selon l'invention ayant la possibilité de les faire sortir par le haut dudit dispositif grâce à un couvercle amovible non représenté ici. Figures 2 and 3 illustrate a second embodiment of the invention, respectively in longitudinal section and in cross section. Reference is now made to FIGS. 2 and 3, where the device is generally referenced (5); a centrifugal turbine (6) makes it possible to create the flow of air to be treated inside the device (5). The air once treated is discharged at the base (17) of the device (5) provided with orifices for this purpose, not shown here. A support material (8) of cylindrical shape, the central portion (9) is recessed, comprise the catalyst, or equivalent material, for carrying out the photocatalysis of the air to be treated; this catalyst, such as titanium dioxide, will be disposed on a support (8), such as a metal knit whose meshes will be covered in whole or part of said catalyst. Other materials than this metal knit are possible as long as they fulfill the same functions, namely to support the catalyst and allow the flow of air to be treated to pass through. According to an alternative embodiment here represented the support material (8) will be disposed between inner cylindrical coaxial (10) and outer (11) cylindrical envelopes made of a perforated material; preferentially, the perforations of said envelopes (10) and (11) -4- will represent between 40 and 70% of the total surface of said envelopes. These can be made of sheet metal or plastic. In the recessed central part (9) mentioned above, the catalyst activation system consisting of lamps (12) emitting in the ultraviolet range and known per se will be arranged; Advantageously, as shown in Figure 2, the lamps (12) will be disposed over substantially the entire height of the support material comprising the catalyst (8) to ensure optimum activation of said catalyst. In addition, these lamps (12) may be removable, the user of the device according to the invention having the possibility of removing them from the top of said device with a removable cover not shown here.

De façon encore plus avantageuse, le matériau support (8) sera lui-même entouré d'un autre filtre coaxial (13) protégé sur sa face extérieure par une enveloppe (14) réalisée en une matière perforée ; à titre préférentiel, de même que pour les enveloppes (10) et (11), les perforations de ladite enveloppe (14) représenteront entre 40 et 70 % de la surface totale de ladite enveloppe (14). Cette dernière pourra être réalisée en tôle métallique ou en matière plastique. Le filtre (13) sera un filtre mécanique permettant d'arrêter au maximum les particules solides présentes dans l'air à traiter, avant que ce dernier ne passe à travers le matériau support (8) où est réalisée la photocatalyse. L'ensemble (8), (9) et (13) sera fermé en sa partie supérieure (15), une portion étant constituée par le couvercle amovible précité supportant les lampes (12). Ce même ensemble (8), (9) et (13), constituant une cartouche, sera également fermé en sa partie inférieure (7), à l'exception de l'orifice (16) permettant l'évacuation de l'air traité. Différents composants du dispositif selon l'invention ne sont pas représentés dans les figures 2 et 3 afin de ne pas surcharger ces dernières ; il en va ainsi du système d'alimentation électrique, notamment au niveau de la turbine (6) et des lampes (12), de l'habillage extérieur du dispositif (5), et des systèmes de protection et/ou de mobilité du dispositif (5). Dans ce deuxième mode de réalisation, l'entrée de l'air à traiter est symbolisée par E , et la sortie de l'air traité par S .30 Even more advantageously, the support material (8) will itself be surrounded by another coaxial filter (13) protected on its outer face by a casing (14) made of a perforated material; preferentially, as for the envelopes (10) and (11), the perforations of said envelope (14) will represent between 40 and 70% of the total surface of said envelope (14). The latter may be made of sheet metal or plastic. The filter (13) will be a mechanical filter for maximally stopping the solid particles present in the air to be treated, before the latter passes through the support material (8) where the photocatalysis is carried out. The assembly (8), (9) and (13) will be closed at its upper part (15), a portion being constituted by the aforementioned removable cover supporting the lamps (12). This same assembly (8), (9) and (13) constituting a cartridge, will also be closed in its lower part (7), with the exception of the orifice (16) allowing the evacuation of the treated air . Different components of the device according to the invention are not shown in FIGS. 2 and 3 so as not to overload the latter; this is true of the power supply system, in particular at the level of the turbine (6) and the lamps (12), the external cladding of the device (5), and the protection and / or mobility systems of the device (5). In this second embodiment, the entry of the air to be treated is symbolized by E, and the exit of the air treated by S.

Claims (11)

REVENDICATIONS1) Dispositif pour le traitement de l'air, du type comportant un catalyseur, tel que le TiO2. permettant la photocatalyse de l'air, un système d'activation dudit catalyseur, tel qu'un éclairage UV ainsi que des premiers moyens destinés à créer un flux d'air devant être traité, caractérisé en ce qu'il comprend en outre des seconds moyens, distincts des premiers, traversés par ledit flux d'air, le catalyseur permettant ladite photocatalyse étant disposé sur lesdits seconds moyens. CLAIMS1) Device for the treatment of air, of the type comprising a catalyst, such as TiO2. enabling photocatalysis of the air, an activation system of said catalyst, such as UV lighting and first means for creating a flow of air to be treated, characterized in that it further comprises second means, distinct from the first, traversed by said air flow, the catalyst for said photocatalysis being disposed on said second means. 2) Dispositif selon la revendication 1 caractérisé en ce que lesdits seconds moyens consistent en au moins un matériau support (3), (8) à travers lequel passera le flux d'air à traiter. 2) Device according to claim 1 characterized in that said second means consist of at least one support material (3), (8) through which will pass the air flow to be treated. 3) Dispositif selon la revendication 2 caractérisé en ce que ledit matériau support (3), (8) consiste en un matériau du type tricot métallique dont les mailles sont recouvertes au moins en partie du catalyseur permettant ladite photocatalyse. 3) Device according to claim 2 characterized in that said support material (3), (8) consists of a material of the metal knit type whose meshes are covered at least in part of the catalyst for said photocatalysis. 4) Dispositif selon l'une quelconque des revendications 1 à 3 caractérisé en ce qu'il se présente sous forme d'un caisson (1) à l'intérieur duquel ledit matériau support consiste en au moins un cadre (3) présentant un plan sensiblement perpendiculaire audit flux d'air. 4) Device according to any one of claims 1 to 3 characterized in that it is in the form of a box (1) within which said support material consists of at least one frame (3) having a plane substantially perpendicular to said airflow. 5) Dispositif selon l'une quelconque des revendications 1 à 3 caractérisé en ce qu'il se présente sous forme d'un cylindre (5) à l'intérieur duquel est disposé ledit matériau support sous forme également d'un cylindre (8) dont la partie centrale (9) est évidée. 5) Device according to any one of claims 1 to 3 characterized in that it is in the form of a cylinder (5) within which is disposed said support material also in the form of a cylinder (8) whose central portion (9) is recessed. 6) Dispositif selon la revendication 5 caractérisé en ce que dans ladite partie centrale (9) évidée est disposé ledit système d'activation UV. 6) Device according to claim 5 characterized in that in said recessed central portion (9) is disposed said UV activation system. 7) Dispositif selon la revendication 6 caractérisé en ce que ledit système d'activation consiste en au moins une lampe UV (12). 7) Device according to claim 6 characterized in that said activation system consists of at least one UV lamp (12). 8) Dispositif selon l'une des revendications 6 ou 7 caractérisé en ce que ledit système d'activation est présent sur sensiblement toute la hauteur dudit cylindre (8). 8) Device according to one of claims 6 or 7 characterized in that said activation system is present over substantially the entire height of said cylinder (8). 9) Dispositif selon l'une quelconque des revendications 5 à 8 caractérisé en ce que ledit matériau support (8) comportant le catalyseur permettant la photocatalyse est réparti entre une enveloppe cylindrique interne (10) et une enveloppe cylindrique externe (11), l'une et l'autre de ces enveloppes (10), (11) étant en une matière perforée. 9) Device according to any one of claims 5 to 8 characterized in that said support material (8) comprising the catalyst for photocatalysis is distributed between an inner cylindrical shell (10) and an outer cylindrical shell (11), the one and the other of these envelopes (10), (11) being in a perforated material. 10) Dispositif selon la revendication 9 caractérisé en ce que ledit matériau support (8) comportant le catalyseur permettant la photocatalyse est lui-même entouré d'un filtre cylindrique (13) destiné à arrêter les poussières et contenu dans une enveloppe (14) réalisée en une matière perforée. 5-6- 10) Device according to claim 9 characterized in that said support material (8) comprising the catalyst for photocatalysis is itself surrounded by a cylindrical filter (13) for stopping dust and contained in a casing (14) made in a perforated material. 5-6- 11) Dispositif selon l'une des revendications 9 ou 10 caractérisé en ce que les perforations desdites enveloppes (10), (11), (14) représentent entre 40 et 70% de leur surface totale. 10 11) Device according to one of claims 9 or 10 characterized in that the perforations of said envelopes (10), (11), (14) represent between 40 and 70% of their total area. 10
FR0901216A 2009-03-16 2009-03-16 Air treatment device for purification of air, has catalyst arranged on secondary creation unit, where secondary creation unit distinct from primary creation unit is traversed by air flow Withdrawn FR2942965A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0901216A FR2942965A1 (en) 2009-03-16 2009-03-16 Air treatment device for purification of air, has catalyst arranged on secondary creation unit, where secondary creation unit distinct from primary creation unit is traversed by air flow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0901216A FR2942965A1 (en) 2009-03-16 2009-03-16 Air treatment device for purification of air, has catalyst arranged on secondary creation unit, where secondary creation unit distinct from primary creation unit is traversed by air flow

Publications (1)

Publication Number Publication Date
FR2942965A1 true FR2942965A1 (en) 2010-09-17

Family

ID=41120019

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0901216A Withdrawn FR2942965A1 (en) 2009-03-16 2009-03-16 Air treatment device for purification of air, has catalyst arranged on secondary creation unit, where secondary creation unit distinct from primary creation unit is traversed by air flow

Country Status (1)

Country Link
FR (1) FR2942965A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021129957A1 (en) * 2019-12-27 2021-07-01 Calistair Sas Method for manufacturing a photocatalytic device, photocatalytic device, photocatalytic composition and gas depolluting apparatus
WO2021130388A1 (en) * 2019-12-27 2021-07-01 Calistair Sas Method for manufacturing a photocatalytic device, photocatalytic device, photocatalytic composition and gas depolluting apparatus

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03106420A (en) * 1989-09-20 1991-05-07 Matsushita Electric Ind Co Ltd Deodorizing method for photo-catalyst
JPH0984866A (en) * 1995-09-21 1997-03-31 Nhk Spring Co Ltd Deodorizing apparatus
EP0978690A2 (en) * 1998-08-05 2000-02-09 Nitto Denko Corporation Air cleaning unit
JP2005296859A (en) * 2004-04-14 2005-10-27 Meidensha Corp Harmful substance decomposition method and harmful substance decomposition apparatus
FR2914559A1 (en) * 2007-04-05 2008-10-10 Marie-Charlotte Bernard AIR PURIFICATION METHOD AND AIR CLEANER SUITABLE FOR ITS IMPLEMENTATION
EP2028417A1 (en) * 2006-06-13 2009-02-25 OSAKA Titanium Technologies Co., Ltd. Lighting equipment excelling in air purification
JP2009090040A (en) * 2007-10-12 2009-04-30 Earth Protect:Kk Air cleaning apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03106420A (en) * 1989-09-20 1991-05-07 Matsushita Electric Ind Co Ltd Deodorizing method for photo-catalyst
JPH0984866A (en) * 1995-09-21 1997-03-31 Nhk Spring Co Ltd Deodorizing apparatus
EP0978690A2 (en) * 1998-08-05 2000-02-09 Nitto Denko Corporation Air cleaning unit
JP2005296859A (en) * 2004-04-14 2005-10-27 Meidensha Corp Harmful substance decomposition method and harmful substance decomposition apparatus
EP2028417A1 (en) * 2006-06-13 2009-02-25 OSAKA Titanium Technologies Co., Ltd. Lighting equipment excelling in air purification
FR2914559A1 (en) * 2007-04-05 2008-10-10 Marie-Charlotte Bernard AIR PURIFICATION METHOD AND AIR CLEANER SUITABLE FOR ITS IMPLEMENTATION
JP2009090040A (en) * 2007-10-12 2009-04-30 Earth Protect:Kk Air cleaning apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021129957A1 (en) * 2019-12-27 2021-07-01 Calistair Sas Method for manufacturing a photocatalytic device, photocatalytic device, photocatalytic composition and gas depolluting apparatus
WO2021130388A1 (en) * 2019-12-27 2021-07-01 Calistair Sas Method for manufacturing a photocatalytic device, photocatalytic device, photocatalytic composition and gas depolluting apparatus
FR3105742A1 (en) * 2019-12-27 2021-07-02 Calistair Sas Powdered athermal catalyst

Similar Documents

Publication Publication Date Title
EP2771282B1 (en) Process for treating effluents in a bed of microbeads by cold plasma and photocatalysis
WO2008122871A2 (en) Air purification method and air purification device for implementing same
FR2824626A1 (en) METHOD AND DEVICE FOR BROADCASTING A PROTECTIVE FLOW WITH REGARD TO AN ENVIRONMENT
CA2337348C (en) Method for purifying gaseous effluents by means of photocatalysis, installation for carrying out said method
EP1341595B1 (en) Device and method for purifying a gas effluent
FR2852256A1 (en) Filtering and processing assembly for air conditioning system has two modules with adsorption and photocatalytic agents separated by a photocatalytic lighting module
FR2927264A1 (en) DEVICE FOR DRYING GAS, IN PARTICULAR AIR
FR2616773A1 (en) PORTABLE INDIVIDUAL WATER TREATMENT DEVICE
FR2942965A1 (en) Air treatment device for purification of air, has catalyst arranged on secondary creation unit, where secondary creation unit distinct from primary creation unit is traversed by air flow
FR3017695A3 (en) AIR PURIFIER DEVICE
FR2920670A1 (en) Air purification device e.g. autonomous purifier, for e.g. air conditioning system in premise, has assembly formed by filter and lamp and vertically extending to interior of ventilation enclosure while ensuring flow of air through filter
EP3277233A1 (en) Device for dispensing liquid from a sterile packaging bottle with bifunctional membrane
EP2181720A1 (en) Air purifier
WO2010037717A1 (en) Device, use thereof and process for removing a compound contained in a fluid
WO2011138569A1 (en) Unit for purifying air by photocatalysis
FR2914558A1 (en) Air processing device for reducing volatile organic component, has porous wall situated in photo catalysis recess, where wall surrounds source by forming compartment in which air inlet opens, and air outlet situated outside compartment
FR2631251A1 (en) PROCESS AND DEVICE FOR FILTERING CONTAMINATED GAS LOADED IN LIQUID VESICLES
FR3060717B1 (en) DEVICE FOR TREATING THE AIR
WO2016008802A1 (en) Device for sampling and analysing chlorinated pollutants
FR2920312A1 (en) Ventilation system for purifying and/or deodorizing ambient air in motor vehicle, has reservoirs opened and closed and avoid releasing of any substance by diffusion when system is not subjected and subjected to air circulation, respectively
FR2848873A1 (en) Continuously-recycling air purification unit includes fan circulating specified flowrate through porous, low pressure drop filter retaining fine particles
FR2888270A1 (en) BUILDING FOR STORAGE OF NAUSEABONDS EFFLUENTS
FR2892951A1 (en) Photocatalytic gas treatment device comprises cylindrical catalyst-coated support that extends along longitudinal axis of device and faces towards light sources
FR3114248A3 (en) SELF-CLEANING POLLUTANT TREATMENT TABLE
CH284015A (en) Device for spreading vapors in a closed chamber.

Legal Events

Date Code Title Description
GC Lien (pledge) constituted

Effective date: 20131010

TP Transmission of property

Owner name: BIOWIND GROUP, FR

Effective date: 20131010

ST Notification of lapse

Effective date: 20151130