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DE29816749U1 - Adsorptive layer element - Google Patents

Adsorptive layer element

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Publication number
DE29816749U1
DE29816749U1 DE29816749U DE29816749U DE29816749U1 DE 29816749 U1 DE29816749 U1 DE 29816749U1 DE 29816749 U DE29816749 U DE 29816749U DE 29816749 U DE29816749 U DE 29816749U DE 29816749 U1 DE29816749 U1 DE 29816749U1
Authority
DE
Germany
Prior art keywords
layer element
element according
activated carbon
carrier
polyurethane foam
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.)
Expired - Lifetime
Application number
DE29816749U
Other languages
German (de)
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.)
Helsa Werke Helmut Sandler GmbH and Co KG
Original Assignee
Helsa Werke Helmut Sandler GmbH and Co KG
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 Helsa Werke Helmut Sandler GmbH and Co KG filed Critical Helsa Werke Helmut Sandler GmbH and Co KG
Priority to DE29816749U priority Critical patent/DE29816749U1/en
Publication of DE29816749U1 publication Critical patent/DE29816749U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/245—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
    • 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
    • B01J20/28002—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 physical properties
    • B01J20/28004—Sorbent size or size distribution, e.g. particle size
    • 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
    • B01J20/28023—Fibres or filaments
    • 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
    • B01J20/28026—Particles within, immobilised, dispersed, entrapped in or on a matrix, e.g. a resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • 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
    • B01J20/2803—Sorbents comprising a binder, e.g. for forming aggregated, agglomerated or granulated products
    • 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
    • B01J20/28033—Membrane, sheet, cloth, pad, lamellar or mat
    • 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
    • B01J20/28042—Shaped bodies; Monolithic structures
    • B01J20/28045—Honeycomb or cellular structures; Solid foams or sponges
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B1/00—Dumping solid waste
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • B32B5/02—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 structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • 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
    • B32B5/02—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 structural features of a fibrous or filamentary layer
    • B32B5/024—Woven fabric
    • 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
    • B32B5/02—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 structural features of a fibrous or filamentary layer
    • B32B5/026—Knitted fabric
    • 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
    • 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
    • B32B5/18—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 of foamed material
    • 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
    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90—Apparatus therefor
    • C05F17/964—Constructional parts, e.g. floors, covers or doors
    • 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
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    • B32B2266/0278—Polyurethane
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/582—Tearability
    • B32B2307/5825—Tear resistant
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • 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
    • B32B2410/00—Agriculture-related articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/14—Other constructional features; Accessories
    • B65F2001/1489—Refuse receptacles adapted or modified for gathering compostable domestic refuse
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y02P20/145—Feedstock the feedstock being materials of biological origin
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • General Chemical & Material Sciences (AREA)
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Description

B/34.962/70-RLB/34.962/70-RL

Helsa-Werke Helmut Sandler GmbH & Co. KG. Bavreuther Straße 3-11. 95482 GefreesHelsa-Werke Helmut Sandler GmbH & Co. KG. Bavreuther Straße 3-11. 95482 Gefrees

Adsorptives SchichtelementAdsorptive layer element

Die Erfindung betrifft ein Schichtelement zur Verwendung bei Mülldeponien, Klärgruben, Kompostanlagen oder Mülltonnen, zur adsorptiven Beseitigung von abgesonderten Geruchs- und/oder Schadstoffen.The invention relates to a layer element for use in waste disposal sites, septic tanks, composting plants or garbage cans, for the adsorptive removal of separated odors and/or pollutants.

Bei Mülldeponien ist es bekannt, einzelne Müllschichten jeweils mit Erde,abzudecken, um das Entweichen von Schad- bzw. Geruchsstoffen zu verhindern. Durch diese Erde-Abdecklagen wird die Aufnahmekapazität der Mülldeponie jedoch erheblich eingeschränkt.In landfills, it is common practice to cover individual layers of waste with soil to prevent harmful substances or odors from escaping. However, these layers of soil significantly limit the landfill's capacity to absorb waste.

Desweiteren ist es bekannt, Mülldeponien mit luft- bzw. gasundurchlässigen Folien abzudecken, um zumindest eine Reduktion der Geruchsbelästigung bzw. der Schadgasemission zu erreichen. Solche luft- bzw. gasundurchlässige Folien blähen sich durch die in der jeweiligen Deponie entstehenden Gase auf. Durch die Zunahme von Geruchs- und Schadstoffen unter der luft- bzw. gasundurchlässigen Folie ergibt sich das Problem, daß dasFurthermore, it is known to cover landfills with air- or gas-impermeable foils in order to at least achieve a reduction in odor nuisance or harmful gas emissions. Such air- or gas-impermeable foils swell up due to the gases produced in the respective landfill. The increase in odors and pollutants under the air- or gas-impermeable foil results in the problem that the

Auf- d.h. Abdecken der Deponie problematisch ist. Außerdem kann das unter der luft- bzw. gasundurchlässigen Folie angereicherte Gasgemisch im Extremfall explosiv sein.Covering the landfill is problematic. In addition, the gas mixture accumulated under the air- or gas-impermeable film can be explosive in extreme cases.

Um die in einer Mülldeponie entstehenden Geruchs- und/oder Schadgase an einem Entweichen zu hindern, ist außerdem eine atmungsaktive Folie mit Membraneigenschaften bekannt. Die Geruchs- bzw. Schadgase werden infolge eines Temperaturunterschiedes zwischen der inneren und der äußeren Seite der Membran-Folie auskondensieret und treten als belastetes Kondenswasser durch die Deponie. Hierzu ist üblicherweise eine computergesteuerte Kontrolle der Deponiebedingungen, insbes. der Temperatur und des Sauerstoffgehaltes, nötig. Desweiteren muß die Deponie über eine undurchlässige Grundfläche und Belüftungskanäle verfügen. Das stellt einen erheblichen Aufwand dar.In order to prevent the odorous and/or harmful gases that arise in a landfill from escaping, a breathable film with membrane properties is also known. The odorous and/or harmful gases are condensed out as a result of a temperature difference between the inner and outer sides of the membrane film and pass through the landfill as contaminated condensate. This usually requires computer-controlled control of the landfill conditions, particularly the temperature and oxygen content. Furthermore, the landfill must have an impermeable base and ventilation channels. This represents a considerable effort.

In Kenntnis dieser Gegebenheiten liegt der Erfindung die Aufgabe zugrunde, ein Schichtelement der eingangs genannten Art zu schaffen, das einfach und preisgünstig herstellbar und das gas- bzw. luftdurchlässig ist, und das während des Durchgangs durch das Schichtelement störende bzw. gefährliche Geruchs- und Schadgase adsorbiert, wobei aufwendige Kontrollen entbehrlich sind.In view of these circumstances, the invention is based on the object of creating a layered element of the type mentioned at the beginning that can be produced simply and inexpensively and that is permeable to gases and air and that adsorbs disturbing or dangerous odorous and harmful gases during passage through the layered element, whereby complex controls are unnecessary.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst. Bevorzugte Aus- bzw. Weiterbildungen des erfindungsgemäßen Schichtelementes sind in den Unteransprüchen gekennzeichnet.This object is achieved according to the invention by the features of claim 1. Preferred embodiments or further developments of the layer element according to the invention are characterized in the subclaims.

Das erfindungsgemäße Schichtelement weist eine optimierte Permeabilität bei ausgezeichneten Adsorbereigenschaften auf. Es ist in vorteilhafter Weise mechanisch sehr stabil und folglichThe layer element according to the invention has an optimized permeability with excellent adsorber properties. It is advantageously very mechanically stable and therefore

problemlos handhabbar. Die Permeabilität verhindert die Anreicherung von Gasen unter dem Schichtelement und folglich ein Aufblähen des Schichtelementes, wenn dieses bspw. dazu vorgesehen ist, eine Mülldeponie abzudecken. Beim Durchtritt durch das erfindungsgemäße Schichtelement werden Geruchs- bzw. Schadstoffe zuverlässig adsorbiert. Die mechanische Stabilität gewährleistet eine gute Handhabbarkeit des erfindungsgemäßen Schichtelementes insbes. beim Auf- und Abdecken einer Mülldeponie.easy to handle. The permeability prevents the accumulation of gases under the layer element and consequently an expansion of the layer element if it is intended, for example, to cover a waste disposal site. When passing through the layer element according to the invention, odors and pollutants are reliably adsorbed. The mechanical stability ensures good handling of the layer element according to the invention, especially when covering and uncovering a waste disposal site.

Das erfindungsgemäße Schichtelement kann einen Träger aus einem Vlies, einem Fadengelege, einem Gewebe oder einem Gewirke aufweisen, der mit Adsorberpartikeln kombiniert ist. Die Adsorberpartikel können direkt auf den mechanisch stabilen Träger aufgebracht werden. Bevorzugt ist jedoch, wenn der Träger mit einem offenporigen Schaumstoff verbunden ist, an dem die Adsorberpartikel mittels eines herkömmlichen Binders, vorzugsweise mittels eines geeigneten Klebstoffes, fixiert sind. Der besagte Schaumstoff ist mit dem Träger fest verbunden. Das kann durch eine Kaschierung erfolgen.The layer element according to the invention can have a carrier made of a fleece, a thread layer, a woven fabric or a knitted fabric, which is combined with adsorbent particles. The adsorbent particles can be applied directly to the mechanically stable carrier. However, it is preferred if the carrier is connected to an open-pore foam to which the adsorbent particles are fixed by means of a conventional binder, preferably by means of a suitable adhesive. The said foam is firmly connected to the carrier. This can be done by lamination.

Als vorteilhaft - insbesondere bei Anwendung des Schichtelementes bei Mülldeponien - haben sich Träger aus einem Polyester-Gelege erwiesen, auf das ein offenporiger Polyurethanschaum aufkaschiert ist. Ein solcher Schichtaufbau gewährleistet zum einen eine hohe Festigkeit des erfindungsgemäßen Schichtelementes und zum anderen wird durch den Polyurethanschaum die Verweildauer der durchtretenden Gasgemische in der adsorptiven Schicht und somit die Adsorptions-Effizienz erhöht.Supports made of a polyester fabric onto which an open-pore polyurethane foam is laminated have proven to be advantageous - particularly when the layered element is used in landfills. Such a layered structure ensures, on the one hand, a high level of strength for the layered element according to the invention and, on the other hand, the polyurethane foam increases the residence time of the gas mixtures passing through in the adsorptive layer and thus the adsorption efficiency.

Das Polyester-Gelege kann eine Maschenweite von 1 bis 5 Fäden/cm aufweisen. Der auf das Polyester-Gelege aufkaschierteThe polyester fabric can have a mesh size of 1 to 5 threads/cm. The polyester fabric laminated onto the

offenporige Polyurethanschaum besitzt zweckmäßigerweise eine Porenanzahl von 10 bis 100 ppi, vorzugsweise von 35 bis 45 ppi (Poren pro inch). Als Adsorber können Ionenaustauscher, Zeolithe oder vorzugsweise Aktivkohle in granulärer oder in Pulverform verwendet werden. Vorteilhaft ist der Einsatz einer pulverförmigen Aktivkohle mit einer Partikelgröße von 10 bis 100 &mgr;&idiagr;&eegr; und einer spezifischen Oberfläche von > 600 m2/g. Die Aktivkohle kann mit katalytisch wirkenden oder chemiesorptiven Substanzen imprägniert sein.Open-pored polyurethane foam advantageously has a pore count of 10 to 100 ppi, preferably 35 to 45 ppi (pores per inch). Ion exchangers, zeolites or preferably activated carbon in granular or powder form can be used as adsorbers. It is advantageous to use powdered activated carbon with a particle size of 10 to 100 μηη and a specific surface area of > 600 m 2 /g. The activated carbon can be impregnated with catalytically active or chemisorbtive substances.

In einer speziellen Ausbildung des erfindungsgemäßen Schichtelementes wird ein Polyester-Gelege mit einer Maschenweite von 3 Fäden/cm mit einem aufkaschierten Polyurethanschaum als permeabler Trägerverbund verwendet. Der Polyurethanschaum besitzt vorzugsweise eine Porenanzahl von ca. 35 bis 45 ppi. Mit Hilfe eines Acrylatklebers wird pulverförmige Aktivkohle mit einer Partikelgröße von vorzugsweise ca. 20 bis 40 &mgr;&igr;&agr;. und einer spezifischen Oberfläche von 700 bis 1600 m2/g an dem Polyurethanschaum fixiert.In a special embodiment of the layer element according to the invention, a polyester fabric with a mesh size of 3 threads/cm with a laminated polyurethane foam is used as a permeable carrier composite. The polyurethane foam preferably has a pore count of approx. 35 to 45 ppi. Powdered activated carbon with a particle size of preferably approx. 20 to 40 μm and a specific surface area of 700 to 1600 m 2 /g is fixed to the polyurethane foam using an acrylate adhesive.

Das erfindungsgemäße adsorptive Schichtelement ist für die Abdeckung von Mülldeponien und für die Abdeckung von Klärgruben oder Kompostanlagen geeignet bzw. vorgesehen. Aufgrund seiner einfachen Handhabbarkeit und Austauschbarkeit ist das erfindungsgemäße flächige Schichtelement auch in Mülltonnen zur Geruchs- und Schadstoff-Adsorption verwendbar. Hier kann das Schichtelement bspw. am Deckel der Mülltonne vorgesehen werden.The adsorptive layer element according to the invention is suitable or intended for covering waste disposal sites and for covering septic tanks or composting plants. Due to its easy handling and exchangeability, the flat layer element according to the invention can also be used in garbage cans for odor and pollutant adsorption. Here, the layer element can be provided, for example, on the lid of the garbage can.

Weitere Einzelheiten, Merkmale und Vorteile ergeben sich aus der nachfolgenden Beschreibung eines in der Zeichnung vergrößert und nicht maßstabsgetreu abgeschnitten gezeichneten Ausführungsbeispieles des erfindungsgemäßen Schichtelementes,Further details, features and advantages emerge from the following description of an embodiment of the layer element according to the invention, shown in the drawing enlarged and not cut to scale,

bestehend aus einem Trägerverbund und Aktivkohle, in einer Schnittdarstellung.consisting of a carrier composite and activated carbon, in a sectional view.

Die Figur zeigt einen Trägerverbund 10 mit einem Gelege 12 aus Polyesterfilamentgarn mit einer'Garnfeinheit von 1100 dTex und einer Fadendichte von drei Fäden 14 pro cm, auf welches ein ca. 2,5 mm dicker Polyurethan-Polyesterschaumstoff 16 mit einer Porosität von ca. 40 ppi aufkaschiert ist. Der Trägerverbund 10 weist eine Luftdurchlässigkeit von > 50 1 &khgr; min/dmz auf und zeichnet sich durch eine hohe Reißfestigkeit aus. Der Trägerverbund 10 wird mit Aktivkohlepulver mit einer Partikelgröße von 20 bis 40 &mgr;&idiagr;&eegr; und einer spezifischen Oberfläche von 700 bis 1600 m2/g imprägniert. Die auf den Trägerverbund 10 aufgebrachte Aktivkohlemenge beträgt ca. 50 g/m2. Als Bindemittel zum Fixieren des Aktivkohlepulvers am Trägerverbund 10 dient ein Binder auf Acrylatbasis.The figure shows a carrier composite 10 with a scrim 12 made of polyester filament yarn with a yarn fineness of 1100 dTex and a thread density of three threads 14 per cm, onto which an approximately 2.5 mm thick polyurethane-polyester foam 16 with a porosity of approximately 40 ppi is laminated. The carrier composite 10 has an air permeability of > 50 1 x min/dm z and is characterized by high tear resistance. The carrier composite 10 is impregnated with activated carbon powder with a particle size of 20 to 40 μm and a specific surface area of 700 to 1600 m 2 /g. The amount of activated carbon applied to the carrier composite 10 is approximately 50 g/m 2 . An acrylate-based binder serves as a binding agent for fixing the activated carbon powder to the carrier composite 10.

Claims (11)

B/34.962/70-RL Helsa-Werke Helmut Sandler GmbH & Co. KG. Bavreuther Straße 3 - 11. 95482 Gefrees Ansprüche :B/34.962/70-RL Helsa-Werke Helmut Sandler GmbH & Co. KG. Bavreuther Straße 3 - 11. 95482 Gefrees Claims: 1. Schichtelement für Mülldeponien, Klärgruben, Kompostanlagen oder Mülltonnen,
gekennzeichnet durch einen reißfesten permeablen flächigen Träger (12), der mit Adsorberpartikeln kombiniert ist.1. Layer element for landfills, septic tanks, composting plants or garbage bins,
characterized by a tear-resistant permeable flat carrier (12) which is combined with adsorbent particles. 2. Schichtelement nach Anspruch 1,
dadurch gekennzeichnet,2. Layer element according to claim 1,
characterized, daß der Träger (12) aus einem Vlies, einem Fadengelege, einem Gewebe oder einem Gewirke besteht.that the carrier (12) consists of a fleece, a scrim, a woven fabric or a knitted fabric. 3. Schichtelement nach Anspruch 1 oder 2, dadurch gekennzeichnet,3. Layer element according to claim 1 or 2, characterized in daß der Träger (12) mit einem offenporigen Schaumstoff (16) zu einem Trägerverbund (10) verbunden ist.that the carrier (12) is connected to an open-pore foam (16) to form a carrier composite (10). 4. Schichtelement nach Anspruch 3, dadurch gekennzeichnet, daß der offenporige Schaumstoff (16) von einem Polyurethan-Schaumstoff gebildet ist.4. Layer element according to claim 3, characterized in that the open-pored foam (16) is formed from a polyurethane foam. 5. Schichtelement nach Anspruch 3 und 4, dadurch gekennzeichnet,5. Layer element according to claim 3 and 4, characterized in daß der Träger (12) aus einem Polyester-Gelege mit einer Fadendichte von 1 bis 5 Fäden/cm und daß der offenporige Polyurethanschaum (16) eine Porenzahl von 10 bis 100 ppi aufweist.that the carrier (12) consists of a polyester fabric with a thread density of 1 to 5 threads/cm and that the open-pored polyurethane foam (16) has a pore number of 10 to 100 ppi. 6. Schichtelement nach Anspruch 5, dadurch gekennzeichnet,6. Layer element according to claim 5, characterized in daß der Polyurethanschaum (16) eine Porenzahl von 35 bis 45 ppi aufweist.that the polyurethane foam (16) has a pore number of 35 to 45 ppi. 7. Schichtelement nach einem der vorhergehenden Ansprüche, d a d u rc h gekennzeichnet, daß die Adsorberpartikel von Aktivkohle gebildet sind.7. Layer element according to one of the preceding claims, characterized in that the adsorbent particles are formed from activated carbon. 8. Schichtelement nach Anspruch I1 dadurch gekennzeichnet,8. Layer element according to claim I 1 , characterized in that daß die Aktivkohle von einem Aktivkohlepulver gebildet ist.that the activated carbon is made from an activated carbon powder. 9. Schichtelement nach Anspruch 8, dadurch gekennzeichnet,9. Layer element according to claim 8, characterized in daß das Aktivkohlepulver eine Partikelgröße von 10 bis 100 &mgr;&idiagr;&eegr;, vorzugsweise von 2 0 bis 40 &mgr;&idiagr;&eegr;, aufweist.that the activated carbon powder has a particle size of 10 to 100 μηι, preferably 20 to 40 μηι. 10. Schichtelement nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet,10. Layer element according to one of claims 7 to 9, characterized in daß die Aktivkohlepartikel mit katalytisch wirkenden oder chemiesorptiven Substanzen imprägniert sind.that the activated carbon particles are impregnated with catalytically active or chemisorbtive substances. 11. Schichtelement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Adsorberpartikel mittels eines Binders, vorzugsweise mittels eines Klebstoffes auf Acrylat-Basis, fixiert sind.11. Layer element according to one of the preceding claims, characterized in that the adsorbent particles are fixed by means of a binder, preferably by means of an acrylate-based adhesive.
DE29816749U 1998-09-18 1998-09-18 Adsorptive layer element Expired - Lifetime DE29816749U1 (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001021284A1 (en) * 1999-09-22 2001-03-29 Gore Enterprise Holdings, Inc. Chemically active filter material
EP1209138A1 (en) * 2000-11-28 2002-05-29 Faber Recycling GmbH Compost heap with an adsorption strip
WO2006120517A3 (en) * 2005-05-13 2007-08-23 Ambientalia S R L Waste treatment system
DE102008027878A1 (en) * 2008-06-11 2009-12-17 Härtfelder, Uwe, Dipl.-Ing. Purifying settling basin or settling tank from sewage sludge, comprises creating drying surface directly adjacent to settling basin and/or settling tank for sewage sludge, and sealing drying surface against underground by wastewater film
WO2010047735A1 (en) * 2008-10-22 2010-04-29 Milliken & Company Cover for containing and abating odiferous organic emanations, comprising a nonwoven layer and two porous polymeric layers, as well as anatase as photocatalyst, and containment system using such cover
CN115779864A (en) * 2022-12-15 2023-03-14 内蒙古大学 A kind of preparation method and application of reusable sludge-peanut shell activated carbon material

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001021284A1 (en) * 1999-09-22 2001-03-29 Gore Enterprise Holdings, Inc. Chemically active filter material
US6331351B1 (en) 1999-09-22 2001-12-18 Gore Enterprise Holdings, Inc. Chemically active filter material
EP1209138A1 (en) * 2000-11-28 2002-05-29 Faber Recycling GmbH Compost heap with an adsorption strip
WO2006120517A3 (en) * 2005-05-13 2007-08-23 Ambientalia S R L Waste treatment system
DE102008027878A1 (en) * 2008-06-11 2009-12-17 Härtfelder, Uwe, Dipl.-Ing. Purifying settling basin or settling tank from sewage sludge, comprises creating drying surface directly adjacent to settling basin and/or settling tank for sewage sludge, and sealing drying surface against underground by wastewater film
WO2010047735A1 (en) * 2008-10-22 2010-04-29 Milliken & Company Cover for containing and abating odiferous organic emanations, comprising a nonwoven layer and two porous polymeric layers, as well as anatase as photocatalyst, and containment system using such cover
US8137957B2 (en) 2008-10-22 2012-03-20 Milliken & Company Non-woven cover for containing and abating odiferous organic emanations
CN115779864A (en) * 2022-12-15 2023-03-14 内蒙古大学 A kind of preparation method and application of reusable sludge-peanut shell activated carbon material

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