FR2816521A1 - Air purification and perfuming comprises circulating air through container with agent that extracts pollutants and adds perfume - Google Patents

Air purification and perfuming comprises circulating air through container with agent that extracts pollutants and adds perfume Download PDF

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Publication number
FR2816521A1
FR2816521A1 FR0014573A FR0014573A FR2816521A1 FR 2816521 A1 FR2816521 A1 FR 2816521A1 FR 0014573 A FR0014573 A FR 0014573A FR 0014573 A FR0014573 A FR 0014573A FR 2816521 A1 FR2816521 A1 FR 2816521A1
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Prior art keywords
agent
air
depollution
essential oil
agent according
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Granted
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FR0014573A
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French (fr)
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FR2816521B3 (en
Inventor
Georges Berrebi
J Francois Gravier
Jean Pascal Laurens
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Cool Sarl
Cool Sarl Ste
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Cool Sarl
Cool Sarl Ste
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Priority to FR0014573A priority Critical patent/FR2816521B3/en
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    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS 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
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/01—Deodorant compositions
    • A61L9/013—Deodorant compositions containing animal or plant extracts, or vegetable material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS 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
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A61L9/12—Apparatus, e.g. holders, therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
    • B01J20/0222—Compounds of Mn, Re
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/041—Oxides or hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/043—Carbonates or bicarbonates, e.g. limestone, dolomite, aragonite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/12—Naturally occurring clays or bleaching earth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28057—Surface area, e.g. B.E.T specific surface area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28069—Pore volume, e.g. total pore volume, mesopore volume, micropore volume
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
    • B01J20/3204—Inorganic carriers, supports or substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
    • B01J20/3234—Inorganic material layers
    • B01J20/3236—Inorganic material layers containing metal, other than zeolites, e.g. oxides, hydroxides, sulphides or salts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B01D2253/11—Clays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/25—Coated, impregnated or composite adsorbents
    • 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
    • B01D2257/00—Components to be removed
    • B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
    • 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
    • B01D2259/4508—Gas separation or purification devices adapted for specific applications for cleaning air in buildings

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Botany (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Fats And Perfumes (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

The process comprises causing the air to circulate in contact with or through a cassette-type container holding an agent that removes pollution and/or odors and adds a perfume. The agent consists of a porous base of chalk, clay or potassium permanganate, containing 0.5-90 wt.% of calcium peroxide to extract pollutants. The perfume is added by a micro- or macro-porous substance impregnated with an essential oil or solution and an optional bactericidal or fungicidal product.

Description

<Desc/Clms Page number 1> <Desc / Clms Page number 1>

La demanderesse développe des produits dans le domaine de l'environnement. du traitement de l'air. Dans les aéroports, les hôpitaux. les grandes bibliothèques, les immeubles (type gratte-ciel ou autres) ou pour des applications industrielles, souvent l'air est chimiquement filtré. The applicant develops products in the environmental field. air treatment. In airports, hospitals. large libraries, buildings (skyscraper type or others) or for industrial applications, often the air is chemically filtered.

Pour cela. à l'aide de catalyseurs et/ou d'adsorbants appropriés on supprime dans cet air qui circule. les odeurs et les agents polluants (provenant notamment de processus de fabrication, des hydrocarbures imbrûlés, des fumées de cigarette et/ou d'arômes de produits divers) Sur le plan chimique, il s'agit de supprimer les molécules délétères (organiques ou non) contenant du soufre, de l'azote. et/ou des composés oxygénés. For it. using suitable catalysts and / or adsorbents, this circulating air is removed. odors and pollutants (originating in particular from manufacturing processes, unburnt hydrocarbons, cigarette fumes and / or aromas from various products) From a chemical point of view, it is a matter of removing deleterious molecules (organic or not ) containing sulfur, nitrogen. and / or oxygenated compounds.

Ces catalyseurs et/ou adsorbants peuvent être contenus dans des cassettes ou des installations type vrac, lesquelles sont placées de manière adéquate dans la circulation d'air. These catalysts and / or adsorbents can be contained in cassettes or bulk type installations, which are suitably placed in the air circulation.

La demanderesse fabrique et/ou commercialise ce type de produit sous les noms de XMA99, XMA 250, XMA 500. XMA 255FS. DOHYL (marques déposées) etc... Tous ces produits peuvent être mélangés à du charbon actif L'objet de la présente invention consiste à placer dans l'air qui circule. après l'avoir purifié (ou désodorisé) des dispositifs (type cassette ou similaire) contenant des agents ou produits qui vont dépolluer l'air et/ou lui donner ou lui redonner une odeur. The applicant manufactures and / or markets this type of product under the names of XMA99, XMA 250, XMA 500. XMA 255FS. DOHYL (registered trademarks) etc ... All these products can be mixed with activated carbon. The object of the present invention consists in placing in the air which circulates. after having purified (or deodorized) devices (cassette type or similar) containing agents or products which will depollute the air and / or give or give it a smell.

L'invention concerne aussi l'ensemble constitué par les dits dispositifs et les nouveaux produits que la demanderesse développe tant pour la dépollution de l'air que son"odorification".  The invention also relates to the assembly constituted by the said devices and the new products that the applicant is developing both for the depollution of air and its "odorification".

Pour la dépollution, la nouvelle base de recherche repose sur l'idée de mélanger du peroxyde de calcium avec un support par exemple à titre d'exemple type chaux et/ou argile et/ou permanganate de potassium (en solution ou pas) de façon à pouvoir mettre ce mélange sous forme granulée (par des procédés de coagglomération, mélange et extrusion et/ou imprégnation ou un autre type de procédé). Ce mélange serait effectué dans des proportions pondérales allant de 0,5 à 90 % en peroxyde de calcium de préférence de 20 % à 90 % et plus particulièrement de 40 % à 60 %. On obtient ainsi un média qui libère de l'oxygène petit à petit en présence d'humidité afin de créer un produit capable de réagir chimiquement sur les molécules citées plus haut. For pollution control, the new research base is based on the idea of mixing calcium peroxide with a support, for example by way of example lime and / or clay and / or potassium permanganate (in solution or not) so to be able to put this mixture in granulated form (by coagglomeration processes, mixing and extrusion and / or impregnation or another type of process). This mixture would be carried out in weight proportions ranging from 0.5 to 90% in calcium peroxide, preferably from 20% to 90% and more particularly from 40% to 60%. A medium is thus obtained which releases oxygen little by little in the presence of moisture in order to create a product capable of reacting chemically on the molecules mentioned above.

Pour"l'odorification". il s'agit d'obtenir un produit à base d'un support micro ou macro poreux par exemple du type charbon actif alumine. silice, silice alumine, zéolithe sur lequel on imprègne tout ou partie de son volume poreux par au moins une huile essentielle ou au moins une solution d'huile essentielle. une diffusion d'odeurs. For "the odorification". it is a question of obtaining a product based on a micro or macro porous support, for example of the alumina activated carbon type. silica, silica alumina, zeolite on which all or part of its pore volume is impregnated with at least one essential oil or at least one solution of essential oil. diffusion of odors.

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Figure img00020001

Les produits ainsi obtenus ont un volume poreux d'environ au moins 45. de préférence au moins 50 cc/ 100 grammes voire plus et une surface spécifique allant de 200 à 1200 m2/gramme ; on peut occuper le volume poreux de sorte que les huiles essentielles contenues et imprégnées dans le support se rediffusent lentement Il est connu que chaque huile essentielle a un rôle sur la psychologie des comportements. Ce serait un moo en d'entretenir une atmosphère qui correspondrait mieux à l'état d'esprit des personnes qui respirent cet air On peut associer aux huiles essentielles lors de leur imprégnation au moins un produit bactéricide et/ou fongicide Afin de doser et/ou équilibrer les quantités d'huile essentielle émises dans l'air à odorifier on agit sur la rhéologie du système support ! huile par des procédés et/ou traitements spéciaux par exemple du type ajout de produits enrobants ou gélifiants qui vont limiter et/ou contrôler l'émission des molécules odorantes de l'huile.
Figure img00020001

The products thus obtained have a pore volume of approximately at least 45. preferably at least 50 cc / 100 grams or even more and a specific surface ranging from 200 to 1200 m2 / gram; one can occupy the porous volume so that the essential oils contained and impregnated in the support slowly re-diffuse It is known that each essential oil has a role on the psychology of behavior. It would be a moo in maintaining an atmosphere which would correspond better to the state of mind of the people who breathe this air We can associate with essential oils during their impregnation at least one bactericidal and / or fungicidal product In order to dose and / or to balance the quantities of essential oil emitted into the air to be odorized, we act on the rheology of the support system! oil by special methods and / or treatments, for example of the addition of coating or gelling products which will limit and / or control the emission of odorous molecules from the oil.

Si l'air qui circule à travers ces produits (support poreux imprégné complètement ou pas) est humide, le temps pendant lequel l'odeur est extraite sera plus long. Sinon. si l'air est sec, on peut imaginer un dispositif permettant de réimprégner le support in ou ex situ. If the air circulating through these products (porous support completely impregnated or not) is humid, the time during which the odor is extracted will be longer. If not. if the air is dry, one can imagine a device making it possible to re-impregnate the support in or ex situ.

Selon l'invention le dit dispositif contiendra avantageusement à la fois ou pas au moins un agent de dépollution et un agent d'odorification.According to the invention, the said device will advantageously contain, at the same time or not, at least one depollution agent and one odorification agent.

Claims (3)

REVENDICATIONS 1 Procédé de dépollution de l'air ou d'odonfication d'air consistant à faire circuler l'air au contact et/ou à travers au moins un dispositif de type cassette ou similaire. le dit dispositif renfermant un agent de dépollution de l'air et/ou un agent d'odorification de l'air.CLAIMS 1 A method of air depollution or of odonfication of air consisting in circulating the air in contact and / or through at least one device of the cassette type or the like. said device containing an air pollution control agent and / or an air odorification agent. 2 Procédé selon la revendication 1 dans lequel l'agent de dépollution est un mélange contenant un support et du peroxyde de calcium. 2 The method of claim 1 wherein the depollution agent is a mixture containing a support and calcium peroxide. 3 Agent de dépollution selon la revendication 2 dans lequel le peroxyde de calcium est en poudre.  3 depollution agent according to claim 2 wherein the calcium peroxide is powder. 4 Agent de dépollution selon la revendication 2 ou 3 dans lequel la teneur pondérale en peroxyde de calcium est comprise entre 0.5 et 90 % par rapport à la masse totale de l'agent. 4 depollution agent according to claim 2 or 3 wherein the weight content of calcium peroxide is between 0.5 and 90% relative to the total mass of the agent. Agent de dépollution selon l'une des revendications 2 à 4 dans lequel le support de l'agent est choisi dans le groupe constitué par au moins la chaux, l'argile et le permanganate de potassium. Depollution agent according to one of Claims 2 to 4, in which the support for the agent is chosen from the group consisting of at least lime, clay and potassium permanganate. 6 Procédé selon la revendication 1 dans lequel l'agent d'odorification comporte un produit micro ou macroporeux imprégné au moins en partie par au moins une huile essentielle ou une solution d'huile essentielle 7 Procédé selon la revendication 6 dans lequel l'agent d'odonficatlon possède un volume poreux d'au moins environ 50 cc/100 grammes et une surface spécifique comprise entre environ 200 et 1200 ml/ gramme S Procédé selon l'une des revendications 6 et 7 dans lequel on ajoute en outre de l'huile essentielle ou une solution d'huile essentielle. au moins un produit bactéricide ou fongicide. 6 The method of claim 1 wherein the odorant comprises a micro or macroporous product impregnated at least in part with at least one essential oil or an essential oil solution 7 The method of claim 6 wherein the agent odonficatlon has a pore volume of at least about 50 cc / 100 grams and a specific surface of between about 200 and 1200 ml / gram S Method according to one of claims 6 and 7 wherein oil is further added essential or an essential oil solution. at least one bactericidal or fungicidal product. Procédé selon la revendication 8 dans lequel on ajoute en un produit permettant de modifier la rhéologie de l'agent de façon à doser et/ou contrôler les quantités de molécules odorantes issues de l'huile essentielle émises dans l'air à odorifier 10 Procédé selon la revendication 1 caractérisé en ce que le dit dispositif renferme au moins un agent défini scion les revendications 2 à 9 11 Procédé selon la revendication 1 renfermant au moins un agent de dépollution selon l'une des revendications 2 à 5 et un agent d'odorification selon l'une des revendications 6 à 9 Process according to Claim 8, in which a product is added which makes it possible to modify the rheology of the agent so as to dose and / or control the amounts of odorous molecules originating from the essential oil emitted in the air to be odorized. claim 1 characterized in that said device contains at least one defined agent according to claims 2 to 9 11 A method according to claim 1 containing at least one depollution agent according to one of claims 2 to 5 and an odorifying agent according to one of claims 6 to 9
FR0014573A 2000-11-10 2000-11-10 EFFLUENT TREATMENT, DEPOLLUTION, ODORIFICATION Expired - Lifetime FR2816521B3 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2845919A1 (en) * 2002-10-16 2004-04-23 Cool Sarl Odorizing or deodorizing a gas, especially air, comprises circulating the gas through an enclosure containing alumina impregnated with one or more essential oils and/or synthetic oils
EP1584336A1 (en) * 2004-03-02 2005-10-12 Cool Sarl. Method and device for gas odorisation and deodorisation with an alumina-based olfactory support
CN102294043A (en) * 2011-09-14 2011-12-28 黄雨昕 Air freshener and preparation method thereof
CN106178047A (en) * 2016-08-23 2016-12-07 江苏正泰医药化工有限公司 A kind of deodorant for toilet

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2845919A1 (en) * 2002-10-16 2004-04-23 Cool Sarl Odorizing or deodorizing a gas, especially air, comprises circulating the gas through an enclosure containing alumina impregnated with one or more essential oils and/or synthetic oils
EP1584336A1 (en) * 2004-03-02 2005-10-12 Cool Sarl. Method and device for gas odorisation and deodorisation with an alumina-based olfactory support
CN102294043A (en) * 2011-09-14 2011-12-28 黄雨昕 Air freshener and preparation method thereof
CN106178047A (en) * 2016-08-23 2016-12-07 江苏正泰医药化工有限公司 A kind of deodorant for toilet

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FR2816521B3 (en) 2002-11-29

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