WO1995007735A1 - Procede et materiaux pour assainir des locaux contamines par des substances polluantes - Google Patents

Procede et materiaux pour assainir des locaux contamines par des substances polluantes Download PDF

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Publication number
WO1995007735A1
WO1995007735A1 PCT/DE1994/001062 DE9401062W WO9507735A1 WO 1995007735 A1 WO1995007735 A1 WO 1995007735A1 DE 9401062 W DE9401062 W DE 9401062W WO 9507735 A1 WO9507735 A1 WO 9507735A1
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WIPO (PCT)
Prior art keywords
layer
particles
adsorbent
adsorbing
fabrics
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Ceased
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PCT/DE1994/001062
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German (de)
English (en)
Inventor
Hasso von Blücher
Ernest De Ruiter
Jost Heiner Kames
Jonas TÖRNBLOM
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Individual
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Individual
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Priority to AU76079/94A priority Critical patent/AU684307B2/en
Priority to CN94190698A priority patent/CN1114825A/zh
Priority to SK628-95A priority patent/SK62895A3/sk
Priority to NL9420007A priority patent/NL194752C/nl
Priority to EE9500070A priority patent/EE9500070A/xx
Application filed by Individual filed Critical Individual
Priority to PL94309010A priority patent/PL309010A1/xx
Priority to FI952282A priority patent/FI952282L/fi
Priority to JP50890695A priority patent/JP3285873B2/ja
Publication of WO1995007735A1 publication Critical patent/WO1995007735A1/fr
Priority to DK054395A priority patent/DK54395A/da
Priority to SE9501839A priority patent/SE509651C2/xx
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D5/00—Composition of materials for coverings or clothing affording protection against harmful chemical agents
    • 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
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds

Definitions

  • the invention relates to a method for the renovation of polluted rooms and materials that can be used for this purpose.
  • pollutants which, even in small quantities, cause irritation, allergies or diseases in humans.
  • pollutants include, for example, wood preservatives such as pentachlorophenol (PCP) and lindan, plasticizers such as polychlorinated biphenyls (PCB) or formaldehyde; the latter was and is used in chipboard and has now been classified as suspected of cancer.
  • Hydrocarbons which are optionally aromatic, or their chlorinated ones can also be used
  • PCBs which have been used, for example, as plasticizers in joint sealants, particularly in the construction of buildings from prefabricated elements. Recent knowledge has shown that over time the PCBs diffuse from the sealant into the adjacent concrete elements and are released from the joint seals into the ambient air. The PCB is loaded with the air exchange
  • Carpets can represent a further source of harmful substances and odorous substances.
  • the emissions arise e.g. in that starting materials of these products react under the influence of moisture and / or the influence of constituents of the substrate material.
  • Another source of emissions for unpleasant, sometimes harmful emissions are additives to the building material itself.
  • DE-OS 40 28 434 describes one way of disposing of jointing compounds containing pollutants.
  • the sealing compound, the primary source is cut out and disposed of by suitable measures.
  • the method only accesses the primary source.
  • pollutants from secondary sources, wall and ceiling surfaces pollute the
  • the object of the present invention is to provide a method for the renovation of polluted rooms. This object is achieved in that the emission source is covered directly with a material which contains adsorbing particles.
  • the main advantage here is that the passage of the pollutants through the absorbing layer and thus a passage of the pollutants into the room are prevented by suitable materials according to the invention.
  • the method according to the invention thus begins one step earlier with the remediation of the pollutant-laden emission sources than the methods which are known according to the prior art. It is thus prevented in the method according to the invention that the harmful Substances can pass into the room air at all or can form secondary emission sources, whereas previously described methods are based on removing pollutants from the polluted room air.
  • the complete coverage of the emission source according to the invention has two decisive advantages: No more pollutants enter the room and the adsorption takes place where the pollutant concentration is highest.
  • Radon concentration in residential buildings can be reduced to such an extent that even in rooms that were previously heavily used, limit values that serve to prevent health could be adhered to.
  • One embodiment of the method according to the invention consists in additionally covering the elements or objects adjacent to the primary emission sources with materials which contain adsorbing parts. This cover is intended to prevent the emission of pollutants, which are caused by the fact that pollutants from the primary emission sources diffuse into these neighboring elements and can escape into the ambient air during a migration to the surface of these components.
  • the material is selected from the group of open-pore foams, nonwovens and inorganic and organic binders.
  • it is a 0.5 to 5 mm thick open-pore foam, preferably a reticulated PU foam, which contains finely ground adsorbing particles and a binder.
  • the material can just as well contain a 0.1 to 2.0 mm thick nonwoven fabric which contains the adsorbing particles and the binder.
  • the material is a paint, a plaster, a sound-absorbing plaster or a screed that contains the adsorbent particles.
  • the material according to the invention, which contains the adsorbing particles can just as well be covered goods, preferably a back coating of carpets.
  • binder is understood to mean all substances which combine the same or different substances.
  • these are, for example, all non-hydraulic, hydraulic and latent hydraulic binders (gypsum, water glass, Sorel cement, anhydride, magnesia binder, white lime, hydraulic lime, cement, blast furnace slag, etc.).
  • the binders are, for example, all natural or synthetic substances which, as solutions, dispersions, melts or liquid reactive plastic systems after assembly (for example by means of suitable resins and plasticizers, occasionally also pigments and fillers) are used Connecting different types of materials can be used.
  • a plaster or screed containing the adsorbing particles for the process according to the invention, preference has been given to those compositions which simultaneously serve for sound plastering.
  • One reason for this may be the high porosity, which at the same time makes good access to the adsorbent possible.
  • the plaster is generally supplied as a dry mixture with up to 50 percent by weight of adsorbing particles and pasted before use. Similarly, the one to be renovated
  • Soil are covered by the inventive method with an additional screed, which contains up to 50 percent by weight of adsorbing particles.
  • adsorbents can also be incorporated in a wallpaper adhesive.
  • This adhesive can consist, for example, of a 40% ethyl acrylate dispersion to which 60% by weight of ground activated carbon slurried in water is added. the. This allows walls and ceilings to be coated with a layer of approximately 300 ⁇ m in thickness and a conventional wallpaper to be applied to this layer. The liability is good.
  • moisture-insensitive molecular sieves are used as adsorbents, a white basic shade is obtained, to which any color pigment can be added.
  • An effective control of the layer thickness remains important in order to avoid local weak points due to insufficient amounts of adsorber.
  • the adsorbents can also be incorporated into a coat of paint, which must then be applied in a sufficient thickness. Due to the appearance, one will hardly use active carbon but rather molecular sieves. Coatings are particularly suitable if irregular or non-flat bodies (cables,
  • a further embodiment of the method according to the invention consists in that the material with the adsorbing particles is a wall wallpaper onto which a reticulated 1 to 5 mm PU foam loaded with adsorbing particles is applied.
  • foams are preferably squeezed off and dried with a mixture of ground activated carbon and a binder dispersion.
  • a coal loading of up to 200 g / m is achieved, the binder / coal ratio based on the dry substance being able to vary from 1: 1 to 1: 5.
  • a further embodiment according to the invention consists in that the material containing the adsorbing particles is a carrier layer made of a flat carrier material from the group of paper, paper wallpaper or textile fabrics, such as, for example, woven fabrics, knitted fabrics, non-woven fabrics or glass fiber fabrics, and the adsorbing particles this carrier layer are applied.
  • This carrier layer together with the particles arranged thereon, preferably forms a test strip which is applied to the covered or uncovered components for determining breakthroughs of environmental toxins through barrier layers or for determining the exit of environmental toxins.
  • a flat carrier material which can be used for the process according to the invention and which contains activated carbon spheres is described in EP-A 118 618 and EP-A 90 073.
  • these test strips according to the invention can be applied both externally and internally, for example in the latter case to detect breakthroughs through wallpaper with adsorbing properties or through floor coverings with adsorbing properties a strip of 20 x 100 mm, which contains about 0.5 g of activated carbon, has proven to be very practical and handy.
  • An embodiment according to the invention consists of a double-sided adhesive tape, one side of which is covered with adsorbing particles and the other is covered with a siliconized protective paper to be removed before use.
  • the strip is packaged in a gas-tight envelope that protects the activated carbon up to the point of use and which is also used for returning it to the analytical laboratory.
  • the strips can be e.g. Apply to the underside of chairs, tables etc. by applying light pressure and also remove them again.
  • test strip Another application for this test strip is the monitoring of the renovation of contaminated buildings, which is based on an example should be explained.
  • evaporation of PCBs in panel buildings led to large-scale contamination of walls and ceilings, which can be neutralized by covering the contaminated area with wallpapers containing activated carbon. It is advisable to be able to detect any breakdown of the PCB through the wallpaper in good time.
  • the test strip with the adsorbent particles is glued onto the surface of the adsorbent wallpaper, facing the wall side.
  • an adhesive strip overlapping the test strip (1 cm overlap on all sides) is preferably used, so that the adhesive does not touch the adsorption layer.
  • a barrier layer for example an aluminum foil, can additionally be attached on the side facing the interior in order to increase the effectiveness of the strip.
  • one embodiment of the method according to the invention consists in laying a layer or a material between the contaminated floor or floor covering and the new carpet or another new floor covering by means of which the odors and pollutants are adsorbed.
  • granular or spherical adsorbents preferably activated carbon, but also porous polymers are adhered to a flexible carrier material by means of a dot-shaped adhesive and covered with a light, air-permeable textile material.
  • a flat carrier material which contains activated carbon spheres and can be used for this method according to the invention is described in EP-A 118 618 and EP-A 90 073.
  • a further possibility is to provide the carrier material with a water-vapor-permeable coating which acts as an adhesive for the adsorbents.
  • the adsorbents are sprinkled into this coating; after drying the resulting layer covered from adsorbents with a light textile fabric. Due to the full-surface coating, an additional barrier layer is installed in addition to the adsorber layer, which allows the soil to "breathe” due to its water vapor permeability.
  • the use of an adsorbing material that is not part of the carpet then allows any carpet to be laid on this material.
  • the adsorbents can also be attached directly to the carpet. The prerequisite for this is a high-quality back coating, which is also an adhesive for the adsorbents.
  • This back coating can also be covered by a light textile fabric.
  • the adsorbents are freely accessible at least 50%, preferably between 70 and 80%. This is advantageous with regard to the adsorption kinetics, since no adhesive layer has to be passed through.
  • Activated carbon which is incorporated into the back coating in powder form, for example, is not very efficient in comparison due to the reduced accessibility of the outer surface.
  • the material containing the adsorbing particles is a composite material which consists of a carrier layer made of a flat carrier material from the group of paper, paper wallpaper or textile fabrics, such as, for example, woven, knitted or nonwoven fabrics or glass fiber fabrics, one on this carrier layer containing the adsorbing particles
  • This composite material thus has a sandwich structure composed of a carrier layer, adsorbent particles and cover layer.
  • Diforbing particles are preferably applied to the carrier layer by means of a preparation containing an adhesive.
  • the adhesive is organic binders, in particular a plastic dispersion or a low-solvent two-component system, or it is selected from the group of latices, such as natural latex.
  • the preparation containing the adhesive can be applied either as a dot or as a full-surface coating. Since the permeability to water and air of the materials used in the building industry plays an important role for reasons relating to building physics, the adhesive composition is to be made water-vapor-permeable, particularly in the case of a full-surface coating.
  • the covering layer used in the materials which can be used for the method according to the invention is a flat carrier material from the group of paper, paper wallpaper or textile fabrics, such as, for example, woven fabrics, knitted fabrics, non-woven fabrics or glass fiber fabrics.
  • This covering layer can preferably be laminated onto the material containing the adsorbing particles with a hot-melt adhesive point or a thin hot-melt adhesive fleece.
  • a composite material that can be used for the method according to the invention can be produced, for example, as follows:
  • the support (textile fabric, special paper or glass fiber fabric) facing the interior is provided with a water-vapor-permeable full-surface coating, which is at the same time an adhesive for the granular or spherical adsorbents.
  • the coating is sprinkled with the adsorbents before drying. The excess is suctioned off.
  • the adsorption layer is then covered, for example by a light textile, in order to protect it from the adhesive with which the composite material is glued to the component.
  • Light, fine-meshed polyester nonwovens with a printed hot-melt adhesive are preferably suitable as covers.
  • the following structure is to protect color: the carrier layer of the adsorbers faces the wall and the adsorbers themselves are covered with the outer material, a slit of hot-melt adhesive being used as an adhesive line between the adsorber and the outer material. This ensures that sufficient moisture can penetrate, but not the color.
  • low-solvent or solvent-free colors should preferably be used for painting.
  • an additional barrier layer preferably a water vapor permeable barrier layer
  • the barrier layer is generally introduced within the composite material on the side of the adsorption layer facing away from the emission source.
  • the invention also relates to an adsorbent material which contains a flat carrier material designed as a water vapor permeable barrier layer and a layer containing adsorbent particles thereon.
  • this adsorbent material can contain an additional cover layer which is arranged on the layer containing the adsorbent particles.
  • Another adsorbent material according to the invention in the form of a composite material contains a flat carrier material, an additional, water vapor-permeable barrier layer arranged thereon, and an adsorbent particle located on this barrier layer. holding layer.
  • this adsorbent material can contain an additional cover layer which is arranged on the layer containing the adsorbent particles.
  • the barrier layer can also be the adhesive for the adsorbing particles.
  • the barrier layer can, however, also consist of one on the
  • Slit film laminated on the inside of the outer layer of the composite material preferably consist of a hot-melt adhesive slit film which is connected on the other side to the adsorbing particles.
  • the barrier layer can be a latex paint or a latex paint coat which is applied to the outer side of the composite material facing the interior of the room.
  • Slit film as a barrier layer with which the outer cover layer on the room side was laminated onto the adsorption layer, is very efficient. Depending on the lamination temperature, the passage of air is reduced by approx. 90% and at the same time the radon adsorption is significantly improved. The Moisture penetration is more than sufficient, so that there is no risk of moisture build-up in the masonry.
  • Another method according to the invention for radon adsorption can consist in the use of a material in which the back of the outer material is provided with a water vapor-permeable coating, which at the same time serves as an adhesive layer for the adsorber grains or beads.
  • a cover which can be, for example, a textile or a paper, is then laminated onto the adsorber layer formed after the covering process.
  • the radon first comes into contact with the adsorption layer.
  • the part of the radio that has not yet been completely adsorbed hits the barrier layer or is braked by it, so that the adsorption process can continue.
  • the side of the material or composite material (carrier or cover layer) facing the emission source is a separating layer, the task of which is to enable removal of the composite material in such a way that the latter can be removed from the emission source and disposed of.
  • the removal is to be understood here so that in particular the adsorbing particles can be removed in combination with the carrier layer and completely from the emission source.
  • This separating layer can preferably be a split paper or a split fleece or it consists of two easy-to-separate non-woven fabrics.
  • the separation layer has the particular task here of being able to tear off a wallpaper from the emission source in a simple manner, in order to enable it to be disposed of in a manner that is suitable for pollutants, for example special waste disposal. burn, feed.
  • the PCB-containing adsorbents should be recorded as completely as possible.
  • a weak point predetermined breaking point
  • the textile outer material carries adsorber grains on the side facing the wall, which adhere to the textile material with a discontinuously applied adhesive.
  • the adsorbers are in turn covered with a splitting paper. Fission papers have a relatively well-glued surface, but are hardly glued on the inside and can therefore be split. When it is torn off, one remains
  • Half on the wall can serve as a base for a new wallpaper, while the other half continues to cover the adsorbents; thus any loss of adsorbents is avoided.
  • Pulling off the adsorbents consists in making the covering of the adsorbents facing the wall sufficiently strong that they do not tear when the wallpaper is pulled off.
  • the adhesive substrate can preferably be moistened first.
  • One advantage of the composite material described above is that the pollutants can move freely within the adsorption layer until they are adsorbed. If, due to the special nature of the emission source, there are stronger pollutant leaks, this can expand laterally unhindered in the adsorption layer due to the barrier layer or sandwich structure (no local overload). There is always a large amount of adsorbents available in all directions, which enable an even distribution of the pollutants. In the case of sealing without the introduction of adsorbents, for example with an aluminum foil, migration effects and massive breakthroughs occur in the event of damage.
  • a further embodiment of the method according to the invention consists in that the materials containing the adsorbing particles are in the form of strips which are applied, for example, over the joints sealed with pollutant-containing sealants or pressed into these joints. These strips can preferably be covered again with a material suitable for the method according to the invention, so as to prevent the passage of pollutants into the room with absolute certainty. Since the joint sealing compound is generally somewhat recessed, there is sufficient space for a thick strip of adsorbent material; Larger amounts of adsorbing particles can be accommodated in this depression, as a result of which safety can be guaranteed even after many years.
  • adsorbent particles which can be used or are used for the method according to the invention and for the adsorbent materials according to the invention are powdered activated carbon, activated carbon spheres, activated carbon granules, carbonized and activated ion exchangers, pitch-based spherical carbon, hydrophobic molecular sieves,
  • the adsorbing particles in particular the activated carbon, preferably have an inner surface area of at least 900 m 2 / g.
  • the activated carbon beads or granules preferably have a diameter of 0.1 to 2.0 mm, in particular 0.3 to 1.0 mm.
  • the adsorbent particles are preferably present in an amount of 5 to 400 g / m 2 , in particular 10 to 250 g / m 2 .
  • the production of carbonized and activated ion exchangers is described in DE-A 43 04 026.
  • the materials according to the invention generally contain up to 70 percent by weight of adsorbing particles.
  • adsorbing particles for example to the carrier material.
  • a paste of activated carbon and a binder dispersion can be imprinted in heaps by means of rotary screen printing, with runs of up to 100 g / m 2 being achieved.
  • DE-A 33 04 349 describes the use of spherical activated carbon which is adhered to a textile fabric by means of a punctiform applied mass.
  • a pitch-based spherical coal is a suitable adsorbent for the present invention.
  • spherical carbon with a diameter of 0.3 to 0.8 mm
  • up to 1000 beads per cm 2 can be applied to the carrier material of the test strips according to the invention or of the composite material. This corresponds to more than 20 mg / cm 2 of activated carbon, which is practically freely accessible, since the adhesive only closes 10 to 15% of the pores.
  • the focus is on 0.8 to 0.9 nm Ball coal is particularly well suited for the use according to the invention.
  • micropores are relatively narrow, because then the adsorption forces are strongest.
  • the micropores must be large enough to be able to take up the not very small pollutant molecules, for example the PCB molecules. Therefore pore diameters from 0.6 to 1.0 nm are very favorable. Such pore diameters can be found, for example, in activated carbon based on pitch (carbon), based on coconut shells and based on certain Hard coal. Pollutants are strongly adsorbed in these materials and are permanently retained.
  • a homogeneous loading of the carrier layer with the adsorbing particles is important for the effectiveness of the composite material. It is particularly guaranteed if spherical activated carbon is used.
  • spherical coal In addition to the spherical coal, it is also possible in principle to use granular coal or chip coal (with a particle size of 0.3 to 2 mm).
  • the spherical carbon is preferred because of its smooth, abrasion-resistant surface and the optimum occupancy that can be achieved with it.
  • adsorbent particles In order to be able to adsorb certain pollutants, it may be necessary to impregnate the adsorbent particles and to use different adsorbent particles: pure activated carbon for high-boiling pollutants, for example PCB and PCP; pure activated carbon, preferably with very small micropores, for solvents; acid impregnated activated carbon, for example with phosphoric acid
  • Adsorption of ammonia and amines basic impregnated activated carbon, for example with potassium carbonate, for acid gases; Charcoal impregnated with 2-amino-l, 3-propanediol or trimethanolamine for the adsorption of formaldehyde; coal impregnated with sulfur for the adsorption of mercury vapors; Activated carbon impregnated with copper salts for the adsorption of sulfur-containing and nitrogen-containing pollutants; to name just the most important ones.
  • Such wallpapers basically have the sandwich structure described above, with granular or spherical adsorbents between two flat structures made of textile or paper, one of which is the carrier layer for the adsorbents and the other are the cover layer for the adsorbents.
  • Porous polymers such as, for example, the XUS resins from DOW Chemical Company are also suitable for adsorbing high-boiling pollutants in accordance with the process according to the invention.
  • carbonized and activated cation exchangers for example based on sulfonated styrene / divinylbenzene copolymers, which are very similar in physical properties to activated carbon.
  • the outer surface of the adsorbing particles is preferably freely accessible at least 50%, in particular between 75 and 80%, for the pollutants and odorous substances.
  • the emission sources which are renovated with the method according to the invention or with the materials according to the invention are, in particular, components and building materials containing odors and pollutants, such as walls, support elements, prefabricated walls, concrete slabs, floors, ceilings, wooden beams, wooden planks,
  • pollutants are understood to mean in particular pollutants which can be adsorbed on powdered activated carbon, activated carbon beads, activated carbon granules, carbonized and activated ion exchangers, pitch-based spherical carbon, hydrophobic molecular sieves, compacts from hydrophobic molecular sieves or porous polymers.
  • pollutants include in particular polychlorinated phenols (PCP), polychlorinated biphenyls (PCB), chlorinated hydrocarbons (CHC), polycondensed aromatic compounds (PAHs), chlorinated paraffins, phthalates, amines, 2-ethylhexanol, ammonia and radon.
  • PCP polychlorinated phenols
  • PCB polychlorinated biphenyls
  • CHC chlorinated hydrocarbons
  • PAHs polycondensed aromatic compounds
  • chlorinated paraffins phthalates
  • amines 2-ethylhexanol
  • the PCB indoor air concentration dropped from approx. 10,000 ng / m to below 300 ng / ⁇ and remained below this value in the period that followed.
  • the covering material made the impression of a textile wallpaper.
  • the material with adsorbing particles that can be used for the method according to the invention consisted of noise protection plates attached to the
  • Wall facing side was loaded with activated carbon grains with a diameter of 0.5 to 1.2 mm with a coating weight of 190 g / m 2 .
  • the further process steps were the same as in the aforementioned examples. Thanks to the full coverage, the PCB concentration could also be reduced to below 300 ng / n.
  • the middle strip of protective paper was removed progressively and, at the same time, the adhesive layer was sprinkled with the spherical carbon of example 4, which immediately adhered well.
  • the strip coated with spherical carbon could be rolled up without any problems.
  • the protective paper on the side was removed at the place of use and the strip was attached in such a way that the carbon layer overlapped the joint by about 1.5 cm.
  • the strips were papered as in Example 4.
  • a 1 cm thick sheet of reticulated, large-pore PU foam (liter weight 30 g, porosity 15 ppi) was thoroughly applied with an adhesive (Impranil HS 62 + Imprafix HSC, 30 g / 1). 200 g were then in a vibrator
  • Example 6 The same PU foam as used in Example 6 was charged with a paste consisting of ground activated carbon, water and a binder dispersion and the excess was removed on a squeezer. After the fabric had dried, it was cut into strips and processed as in Example 6.
  • a typical paste formulation is as follows:
  • emissions of pollutants can be very strongly suppressed and also completely by the method according to the invention be prevented.
  • the method according to the invention results in practically 100% direct adsorption of the pollutants diffusing from the emission source.
  • High-boiling pollutants in particular are permanently captured.
  • Tests by the applicant have shown that pollutants up to an amount of 10 percent by weight, based on the adsorbing particles, are permanently adsorbed.
  • a coal quantity of 200 g / m 2 can therefore render up to 20 g / m 2 harmless in the long run. Since such quantities never occur in practice, the activated carbon is never exhausted.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
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  • Toxicology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Laminated Bodies (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Treating Waste Gases (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Eyeglasses (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Detergent Compositions (AREA)
  • Cosmetics (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

L'invention concerne un procédé permettant d'assainir des locaux contaminés par des substances polluantes, ainsi que des matériaux appropriés à cette fin. Ce procédé de lutte contre l'émission de substances odorantes et polluantes se caractérise en ce que la source d'émission est recouverte directement par un matériau qui contient des particules adsorbantes. L'invention concerne en outre un matériau adsorbant contenant un support plat se présentant sous forme de couche d'arrêt perméable à la vapeur d'eau ou sur lequel est appliquée une couche d'arrêt supplémentaire perméable à la vapeur d'eau, recouverte d'une couche contenant des particules adsorbantes.
PCT/DE1994/001062 1993-09-17 1994-09-15 Procede et materiaux pour assainir des locaux contamines par des substances polluantes Ceased WO1995007735A1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP50890695A JP3285873B2 (ja) 1993-09-17 1994-09-15 汚染された部屋の汚染除去のための方法及び材料
FI952282A FI952282L (fi) 1993-09-17 1994-09-15 Menetelmä ja materiaaleja haitta-aineiden saastuttamien alueiden puhdistamiseksi
SK628-95A SK62895A3 (en) 1993-09-17 1994-09-15 Process and materials for cleaning of areas poluded by noxious materials
NL9420007A NL194752C (nl) 1993-09-17 1994-09-15 Materiaal voor het saneren van met schadelijke stoffen belaste ruimten.
EE9500070A EE9500070A (et) 1993-09-17 1994-09-15 Meetod ja materjalid saastunud ruumide puhastamiseks
AU76079/94A AU684307B2 (en) 1993-09-17 1994-09-15 Process and materials for cleansing areas affected by pollutants
PL94309010A PL309010A1 (en) 1993-09-17 1994-09-15 Method of and materials for disinfecting rooms contaminated with harmful substances
CN94190698A CN1114825A (zh) 1993-09-17 1994-09-15 用于净化载有有害物质的室内空间的方法和材料
DK054395A DK54395A (da) 1993-09-17 1995-05-11 Fremgangsmåde og materialer til rensning af områder påvirket af forurenende stoffer
SE9501839A SE509651C2 (sv) 1993-09-17 1995-05-17 Förfarande och material för sanering av utrymmen som är belastade med skadeämnen

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
DE4331588 1993-09-17
DEP4331588.7 1993-09-17
DE4343351 1993-12-18
DEP4343351.0 1993-12-18
DE4408094 1994-03-10
DEP4408094.8 1994-03-10
DEP4413605.6 1994-04-19
DEP4413607.2 1994-04-19
DE4413605 1994-04-19
DE4413607 1994-04-19
DEP4421194.5 1994-06-17
DE4421193 1994-06-17
DEP4421193.7 1994-06-17
DE4421194 1994-06-17

Publications (1)

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WO1995007735A1 true WO1995007735A1 (fr) 1995-03-23

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PCT/DE1994/001062 Ceased WO1995007735A1 (fr) 1993-09-17 1994-09-15 Procede et materiaux pour assainir des locaux contamines par des substances polluantes

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JP (1) JP3285873B2 (fr)
CN (1) CN1114825A (fr)
AU (1) AU684307B2 (fr)
CA (1) CA2147648A1 (fr)
CH (1) CH686584A5 (fr)
CZ (1) CZ125295A3 (fr)
DK (1) DK54395A (fr)
EE (1) EE9500070A (fr)
ES (1) ES2123407B1 (fr)
FI (1) FI952282L (fr)
FR (1) FR2709969B1 (fr)
GB (1) GB2282982B (fr)
HR (1) HRP940542A2 (fr)
HU (1) HUT72859A (fr)
IE (1) IE940736A1 (fr)
IL (1) IL110908A0 (fr)
IT (1) IT1274772B (fr)
LU (1) LU88532A1 (fr)
NL (1) NL194752C (fr)
NO (1) NO951940L (fr)
PL (1) PL309010A1 (fr)
SE (1) SE509651C2 (fr)
SI (1) SI9420004A (fr)
WO (1) WO1995007735A1 (fr)

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DE10121419A1 (de) * 2001-05-02 2002-11-14 Ibb Inst Fuer Bautenschutz Und Verfahren zum Reinigen von Raumluft in geschlossenen Räumen
DE10260429B4 (de) * 2002-12-21 2006-11-16 Getifix Franchise Gmbh Sanierputz

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WO2001056103A1 (fr) 2000-01-27 2001-08-02 Mitsubishi Rayon Co., Ltd. Materiau d'electrode a base de carbone poreux, son procede de fabrication, et papier a fibres de carbone
JP4338968B2 (ja) * 2002-05-14 2009-10-07 日本政策投資銀行 ハロゲン化有機化合物の吸脱着能に優れた活性炭、該活性炭の製造方法、ハロゲン化有機化合物の吸脱着装置並びに吸脱着方法
DE10310455B4 (de) * 2003-03-07 2008-12-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Förderung e, V. Verfahren zur Verminderung der Geruchs- oder Schadstoffbelastung in Innenräumen
JP4590370B2 (ja) * 2005-04-21 2010-12-01 花王株式会社 消臭剤組成物
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DE102005031486A1 (de) * 2005-07-04 2007-01-11 Hülsta-Werke Hüls Gmbh & Co. Kg Boden-, Wand-, oder Deckenpaneel
JP2007069198A (ja) * 2005-08-10 2007-03-22 Japan Vilene Co Ltd ガス除去用濾材、複合フィルタ及びフィルタエレメント
DK2575903T3 (en) * 2010-06-02 2019-03-04 Ctrap Ab APPLICATION OF A COVER FOR RECOVERING EVAPORATIONS FROM SURFACES
CN103877930A (zh) * 2014-03-13 2014-06-25 范晓红 一种波纹板状吸附材料及其制备方法
NL2013823B1 (en) * 2014-11-17 2016-09-20 Pp&C Tech B V A paint composition, a method of shielding a substrate, a use of a paint composition for shielding a substrate, and a painted substrate.
CN106319670A (zh) * 2015-07-02 2017-01-11 Nvh韩国株式会社 汽车用挥发性有机化合物消减板的制备方法
CN108237737A (zh) * 2017-12-28 2018-07-03 浙江巨化新材料研究院有限公司 一种汽车顶棚用健康舒适型聚氨酯泡沫复合材料及其制备工艺
CN108691093A (zh) * 2018-06-21 2018-10-23 冷纯廷 一种含有纳米粉体材料的铺地材料及其生产工艺
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CN109723190B (zh) * 2019-01-24 2020-12-18 上海金樘装饰设计有限公司 一种能够吸收烟碱的墙纸
CN115253590B (zh) * 2022-07-21 2023-07-21 安徽国祯环卫科技有限公司 一种用于塔式堆肥设备的除臭剂制备工艺及应用方法

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DE10260429B4 (de) * 2002-12-21 2006-11-16 Getifix Franchise Gmbh Sanierputz

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FR2709969B1 (fr) 1996-11-15
NO951940D0 (no) 1995-05-16
CN1114825A (zh) 1996-01-10
DK54395A (da) 1995-05-11
JP3285873B2 (ja) 2002-05-27
IE940736A1 (en) 1995-03-22
LU88532A1 (de) 1995-02-01
FI952282A7 (fi) 1995-05-11
JPH08506762A (ja) 1996-07-23
NL194752B (nl) 2002-10-01
CZ125295A3 (en) 1995-11-15
HUT72859A (en) 1996-05-28
CA2147648A1 (fr) 1995-03-23
ITMI941883A0 (it) 1994-09-15
SE509651C2 (sv) 1999-02-22
NL9420007A (nl) 1995-08-01
SI9420004A (en) 1995-10-31
IL110908A0 (en) 1994-11-28
FR2709969A1 (fr) 1995-03-24
AU684307B2 (en) 1997-12-11
CH686584A5 (de) 1996-04-30
AU7607994A (en) 1995-04-03
NL194752C (nl) 2003-02-04
EE9500070A (et) 1996-02-15
NO951940L (no) 1995-05-16
FI952282A0 (fi) 1995-05-11
HU9501768D0 (en) 1995-08-28
SE9501839D0 (sv) 1995-05-17
GB9418767D0 (en) 1994-11-02
ITMI941883A1 (it) 1996-03-15
ES2123407B1 (es) 1999-12-16
HRP940542A2 (en) 1997-06-30
GB2282982A (en) 1995-04-26
ES2123407A1 (es) 1999-01-01
SE9501839L (sv) 1995-05-17
FI952282L (fi) 1995-05-11
GB2282982B (en) 1998-06-17
IT1274772B (it) 1997-07-24
PL309010A1 (en) 1995-09-18

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