DE4446253A1 - Textile material of active carbon for adsorption air filters - Google Patents

Textile material of active carbon for adsorption air filters

Info

Publication number
DE4446253A1
DE4446253A1 DE4446253A DE4446253A DE4446253A1 DE 4446253 A1 DE4446253 A1 DE 4446253A1 DE 4446253 A DE4446253 A DE 4446253A DE 4446253 A DE4446253 A DE 4446253A DE 4446253 A1 DE4446253 A1 DE 4446253A1
Authority
DE
Germany
Prior art keywords
activated carbon
fabric made
textile fabric
characterized records
carbon according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE4446253A
Other languages
German (de)
Inventor
Hasso Von Bluecher
Ernest De Dr Ruiter
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE4446253A priority Critical patent/DE4446253A1/en
Publication of DE4446253A1 publication Critical patent/DE4446253A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • D04H1/4242—Carbon fibres
    • 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
    • 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
    • B01J20/28033—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
    • B01J20/28054—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
    • B01J20/28066—Surface area, e.g. B.E.T specific surface area being more than 1000 m2/g
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/407—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties containing absorbing substances, e.g. activated carbon
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4282—Addition polymers
    • D04H1/4291—Olefin series

Abstract

Textile webs of active carbon are made by carbonisation and activation of webs made from fibrous ion exchangers.

Description

Mit steigendem Umweltbewußtsein, aber auch neuen Erkenntnisse hinsichtlich diverser Schadstoffe und besseren analytischen Möglichkeiten, ihre Präsenz überhaupt festzustellen, nimmt der Einsatz von adsorptiven Flächenfiltern zu, um gasförmige Schadstoffe aus Luftströmen zu entfernen. Darüber hinaus werden Flächenfilter in Schutzanzügen, insbesondere für den militärischen C- Schutz, angewendet.With increasing environmental awareness, but also new knowledge regarding various pollutants and better analytical possibilities, their presence determine at all, the use of adsorptive area filters increases, to remove gaseous pollutants from air flows. Furthermore surface filters in protective suits, especially for the military C- Protection, applied.

Eine besondere Form von Flächenfiltern sind karbonisierte und aktivierte texti­ le Flächengebilde, wie Filze, Vliese, Gewebe, die wegen ihrer nur mäßigen mechanischen Beanspruchbarkeit oft als Sandwichstruktur Anwendung finden. Trotz guter Kinetik werden heute diese Flächenfilter noch verhältnismäßig we­ nig eingesetzt. Grund hierfür sind der relativ hohe Preis und die oft nicht aus­ reichenden mechanischen Eigenschaften.Carbonized and activated texti are a special form of surface filters le fabrics, such as felts, fleeces, fabrics, which are only moderate due to their mechanical strength can often be used as a sandwich structure. Despite good kinetics, these area filters are still relatively white today little used. The reason for this is the relatively high price and often not enough sufficient mechanical properties.

Der Preis wird weniger durch das Ausgangsmaterial als durch den Herstel­ lungsprozeß bestimmt: Um ein brauchbares Produkt zu erhalten, muß sehr langsam karbonisiert werden, was den Ausstoß begrenzt und die Kosten er­ höht.The price is less determined by the raw material than by the manufacturer Development process determines: To get a usable product, a lot has to be done be carbonated slowly, which limits emissions and costs increases.

Es wurde nun überraschenderweise gefunden, daß Filz, Vliese, Gewebe, Ge­ wirke usw. aus Ionenaustauscher-Fasern, insbesondere Kationenaustauscher- Fasern mit Sulfonsäure-Gruppen, sehr vorteilhaft in Flächengebilde mit hervor­ ragenden adsorptiven Eigenschaften durch Karbonisieren und Aktivieren um­ gesetzt werden können. Der Vorteil gegenüber den herkömmlichen Ausgangs­ materialien besteht darin, daß die Herstellung wesentlich schneller durchge­ führt werden kann und daß andererseits die Festigkeit des Endprodukts jene herkömmlicher Aktivkohle-Filze, -Vliese oder sonstiger Flächengebilde weit übertrifft.It has now surprisingly been found that felt, nonwovens, fabric, Ge act etc. from ion exchange fibers, especially cation exchange Fibers with sulfonic acid groups, very advantageous in fabrics outstanding adsorptive properties through carbonization and activation can be placed. The advantage over the conventional output materials is that the production goes through much faster and that on the other hand the strength of the end product is that conventional activated carbon felts, nonwovens or other flat structures  surpasses.

Beispiel: Ein Filz mit ionenaustauschenden Eigenschaften, bestehend aus Fasern mit Durchmesser 5 µm, auf Basis von einem porösen Styrol/Divinyl­ benzol-Kopolymer, der polysulfoniert wurde, und einem Flächengewicht von 280 g/m² wurde unter leicht oxidierender Atmosphäre (5% Sauerstoff) in 10 Minuten auf 300°C erhitzt, anschließend in inerter Atmosphäre in 15 Minuten auf 700°C gebracht, um schließlich in weiteren 20 Minuten auf 900°C erhitzt zu werden. Bei dieser Temperatur wurde 20 Minuten mit 1 Teil Wasserdampf in 4 Teilen Stickstoff aktiviert. Es wurde eine BET-Oberfläche von 1.350 m²/g gemessen. Das Flächengewicht des Endprodukts betrug 120 g/m². Qualitative Vergleiche mit einem ca. gleichschweren Filz aus Aktivkohle-Fasern auf Zellu­ losebasis ergaben eine etwa dreimal höhere Festigkeit bei geringerer Biege­ steifigkeit.Example: A felt with ion exchange properties consisting of Fibers with a diameter of 5 µm, based on a porous styrene / divinyl benzene copolymer that has been polysulfonated and has a basis weight of 280 g / m² was in a slightly oxidizing atmosphere (5% oxygen) in 10 Heated to 300 ° C for minutes, then in an inert atmosphere in 15 minutes brought to 700 ° C, finally heated to 900 ° C in a further 20 minutes to become. At this temperature was 20 minutes with 1 part of water vapor activated in 4 parts of nitrogen. The BET surface area was 1,350 m 2 / g measured. The basis weight of the end product was 120 g / m². Qualitative Compare with an approximately equally heavy felt made of activated carbon fibers on Zellu losebasis gave about three times the strength with less bending stiffness.

Claims (5)

1. Textile Flächengebilde aus Aktivkohle, dadurch gekennzeichnet, daß sie durch Karbonisieren und Aktivieren von aus faserförmigen Ionenaustau­ schern hergestellten Flächengebilden erhalten werden.1. Textile fabrics made of activated carbon, characterized in that they are obtained by carbonizing and activating shears made from fibrous ion exchange fabrics. 2. Textile Flächengebilde aus Aktivkohle nach Anspruch 1, dadurch gekenn­ zeichnet, daß Kationenaustauscher-Fasern auf Basis von Styrol/Divinyl­ benzol zur Anwendung kommen.2. Textile fabric made of activated carbon according to claim 1, characterized records that cation exchange fibers based on styrene / divinyl benzene are used. 3. Textile Flächengebilde aus Aktivkohle nach Anspruch 1, dadurch gekenn­ zeichnet, daß die Kationenaustauscher-Fasern Sulfonsäuregruppen auf­ weisen.3. Textile fabric made of activated carbon according to claim 1, characterized records that the cation exchange fibers have sulfonic acid groups point. 4. Textile Flächengebilde aus Aktivkohle nach Anspruch 1, dadurch gekenn­ zeichnet, daß das Karbonisieren bis 300°C in leicht oxidierender Atmo­ sphäre und bis 700°C in inerter Atmosphäre in 20-40, vorzugsweise 25 Minuten geschieht, aber 700°C die Temperatur mit 10°C/min auf 900°C gebracht wird und bei dieser Temperatur mit Wasserdampf aktiviert wird.4. Textile fabric made of activated carbon according to claim 1, characterized records that carbonization up to 300 ° C in a slightly oxidizing atmosphere sphere and up to 700 ° C in an inert atmosphere in 20-40, preferably 25 Minutes happens, but 700 ° C the temperature at 10 ° C / min to 900 ° C is brought and activated at this temperature with water vapor. 5. Textile Flächengebilde aus Aktivkohle nach Anspruch 1, dadurch gekenn­ zeichnet, daß die Aktivkohle-Flächengebilde eine BET-Oberfläche von bis zu 1.350 m²/g besitzen, und sich durch höhere Festigkeit und Weichheit im Vergleich zu aus Zellulosefasern hergestellte Aktivkohle-Flächengebil­ de auszeichnen.5. Textile fabric made of activated carbon according to claim 1, characterized records that the activated carbon sheet has a BET surface area of up to possess up to 1,350 m² / g, and are characterized by higher strength and softness compared to activated carbon fabric made of cellulose fibers de mark.
DE4446253A 1994-12-23 1994-12-23 Textile material of active carbon for adsorption air filters Withdrawn DE4446253A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE4446253A DE4446253A1 (en) 1994-12-23 1994-12-23 Textile material of active carbon for adsorption air filters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4446253A DE4446253A1 (en) 1994-12-23 1994-12-23 Textile material of active carbon for adsorption air filters

Publications (1)

Publication Number Publication Date
DE4446253A1 true DE4446253A1 (en) 1996-06-27

Family

ID=6536888

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4446253A Withdrawn DE4446253A1 (en) 1994-12-23 1994-12-23 Textile material of active carbon for adsorption air filters

Country Status (1)

Country Link
DE (1) DE4446253A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19650414A1 (en) * 1996-08-20 1998-02-26 Bluecher Gmbh High grade spherical adsorbents production from ion exchanger or precursor
DE19708692A1 (en) * 1997-03-04 1998-09-17 Bluecher Gmbh Air filter for handling gaseous pollutants
DE102019219011A1 (en) * 2019-12-05 2021-06-10 Mahle International Gmbh Heat exchanger for a cooling circuit

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD63768A (en) *
DE3406654C2 (en) * 1984-02-24 1986-04-24 Hasso von 4000 Düsseldorf Blücher Flexible surface filter
EP0230097A2 (en) * 1985-10-23 1987-07-29 Siebe Gorman & Company Limited Needled layered material containing activated carbon fibres
US4957897A (en) * 1988-01-29 1990-09-18 Rohm And Haas Company Carbonaceous adsorbents from pyrolyzed polysulfonated polymers
DE4304026A1 (en) * 1992-02-28 1993-09-02 Hasso Von Bluecher Exhausted granular organic ion exchange resins disposal for useful active carbon - by converting to carbon@ pellets by carbonising in mainly inert atmos. and activating in oxidising atmos. for cation exchange styrene] acrylic] acid resin
WO1994005841A1 (en) * 1991-07-01 1994-03-17 E.I. Du Pont De Nemours And Company Activated carbon-containing fibrids

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD63768A (en) *
DE3406654C2 (en) * 1984-02-24 1986-04-24 Hasso von 4000 Düsseldorf Blücher Flexible surface filter
EP0230097A2 (en) * 1985-10-23 1987-07-29 Siebe Gorman & Company Limited Needled layered material containing activated carbon fibres
US4957897A (en) * 1988-01-29 1990-09-18 Rohm And Haas Company Carbonaceous adsorbents from pyrolyzed polysulfonated polymers
WO1994005841A1 (en) * 1991-07-01 1994-03-17 E.I. Du Pont De Nemours And Company Activated carbon-containing fibrids
DE4304026A1 (en) * 1992-02-28 1993-09-02 Hasso Von Bluecher Exhausted granular organic ion exchange resins disposal for useful active carbon - by converting to carbon@ pellets by carbonising in mainly inert atmos. and activating in oxidising atmos. for cation exchange styrene] acrylic] acid resin

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Cemical Abstract, Ref. 107:241409 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19650414A1 (en) * 1996-08-20 1998-02-26 Bluecher Gmbh High grade spherical adsorbents production from ion exchanger or precursor
DE19708692A1 (en) * 1997-03-04 1998-09-17 Bluecher Gmbh Air filter for handling gaseous pollutants
DE19708692C2 (en) * 1997-03-04 2002-01-31 Mhb Filtration Gmbh & Co Kg Hochleistungsadsorptionsfilter
DE102019219011A1 (en) * 2019-12-05 2021-06-10 Mahle International Gmbh Heat exchanger for a cooling circuit
US11411228B2 (en) 2019-12-05 2022-08-09 Mahle International Gmbh Heat exchanger for a cooling circuit

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OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8139 Disposal/non-payment of the annual fee