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WO2001066229A1 - Filtre pour appareil de purification d'air ou de gaz - Google Patents

Filtre pour appareil de purification d'air ou de gaz Download PDF

Info

Publication number
WO2001066229A1
WO2001066229A1 PCT/EP2001/002436 EP0102436W WO0166229A1 WO 2001066229 A1 WO2001066229 A1 WO 2001066229A1 EP 0102436 W EP0102436 W EP 0102436W WO 0166229 A1 WO0166229 A1 WO 0166229A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
montan wax
filter according
air
coated
Prior art date
Application number
PCT/EP2001/002436
Other languages
German (de)
English (en)
Inventor
Rudolf Gutmann
Original Assignee
Rudolf Gutmann
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
Priority claimed from DE10044009A external-priority patent/DE10044009A1/de
Application filed by Rudolf Gutmann filed Critical Rudolf Gutmann
Priority to AU48329/01A priority Critical patent/AU4832901A/en
Publication of WO2001066229A1 publication Critical patent/WO2001066229A1/fr

Links

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
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
    • B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
    • B01J20/3268—Macromolecular compounds
    • B01J20/3276—Copolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • 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
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • 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
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
    • B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
    • B01J20/3244—Non-macromolecular compounds
    • B01J20/3246—Non-macromolecular compounds having a well defined chemical structure

Definitions

  • the invention relates to a filter for an air or gas cleaning device, which has an air or gas permeable filter body.
  • an air cleaning device in particular an electrostatic air cleaning device, which has a housing in which an inflow nozzle and an outlet nozzle are provided for an air flow to be cleaned.
  • the air flow is fed to an air cleaning unit arranged in the housing in that the inflow nozzle is arranged on a first end face of the column-shaped air cleaning device and the outlet nozzle on the other end face of the housing.
  • the housed, Air cleaning unit has an inlet opening which is arranged on one of its end faces and aligned with the inflow nozzle of the housing of the air cleaning device.
  • An outlet opening of the air cleaning device is arranged on its other end surface and aligned with the exit nozzle.
  • Air flow is arranged, which is designed as an active carbon filter and / or as an ozone filter and is intended to eliminate or at least to reduce the amount of stored matter in the air to be cleaned, in particular of annoying odorous substances
  • Such an air purification device has the disadvantage that the known filters have only a low and therefore unsatisfactory efficiency and / or are difficult to clean and / or regenerate. Furthermore, to date there are no filters that provide at least satisfactory filtering of nicotine in the ambient air enable
  • the filter body of the filter contains a montan wax as a filter-active element
  • the measures according to the invention advantageously create a filter on the basis of a - preferably ethoxylated - montan wax, which is distinguished by its high efficiency, in particular in the filtering of nicotine, formaldehyde and ozone.
  • the filter according to the invention is furthermore distinguished by A long service life.
  • Another advantage of the filter according to the invention is that such a filter can be regenerated particularly easily, so that the amount of filter waste is reduced
  • An advantageous further development of the invention provides that the filter body has a carrier substance made of an at least partially air or gas-permeable material, in particular a fiber substrate, and that the carrier substance of the filter body according to the invention thus formed is coated or impregnated with the ethoxylated montan wax according to the invention.
  • Measure according to the invention has the advantage that a filter which can be produced in different geometric modifications is thereby created in a simple manner
  • a further advantageous development of the invention provides that the filter body of the filter according to the invention has at least one outer surface which is formed by an air- or gas-permeable sieve fabric, under which the montan wax is arranged.
  • Such a measure has the advantage that this results in a particular there is an inexpensive construction of the filter according to the invention
  • a further advantageous development of the invention provides that the filter body of the filter according to the invention has a number of spaced apart plate, strip or wire-shaped elements which are coated or impregnated with the ethoxylated montan wax.
  • Such a measure is advantageous characterized in that the filter according to the invention, in addition to being easy to manufacture, also has a particularly high air or gas permeability
  • the filter body of the filter according to the invention has a number of plates, strips or wires which are each arranged in a wave shape, the individual plates strips or wires being coated or impregnated with the montan wax.
  • Such a filter draws is characterized by its high active surface area and high air or gas permeability
  • a further advantageous development of the invention provides that separating elements are arranged between the individual corrugated plates, strips or wires, which are preferably also coated or impregnated with the montan wax
  • a further advantageous development of the invention provides that the filter body is formed from one or more, preferably corrugated strips, which are rolled up into a coil.
  • Such a filter according to the invention has the advantage of being particularly easy to manufacture
  • the filter body of the filter according to the invention is designed as a honeycomb body which has a multiplicity of air or gas guide elements, the surfaces of the filter body of the filter body according to the invention which delimit air or gas elements being coated with the montan wax or are impregnated
  • a further advantageous development of the invention provides that the ethoxylated montan wax 0.5-99.5% by weight of an ethoxylated montan acid and
  • the montan wax used for the filter body of the filter according to the invention preferably has a dropping point between 40 ° C. to 70 ° C, has an acid number between 1 and 120 mg KOH / g as well as a saponification number in the same range and a density of preferably 0.98-1, 22 g / cm 3
  • the ethylene oxide adduct of the filter according to the invention simply by a polyaddition of ethylene oxide with water or a CC 4 alcohol can be prepared, preferably comprising 90-450 ethylene oxide units
  • the montan wax is a carbowax, ie a water-soluble, highly polymerized polyethylene glycol of the formula HOCH 2 -CH 2 - (OCH 2 CH 2 ) (lv1) -OH.
  • a wax-like substance is known under the name "Carbowax ", a registered trademark of the UCC company
  • a further advantageous development of the invention provides that the montan wax according to the invention 0.5-99.5% by weight of an ethylene oxide-propylene oxide adduct of the formula R 2 -O-CH 2 -CH 2 -O - ([CH 3 ] -C 2 H 4 -O) m - (CH 2 -CH 2 -O) k -H, where R 2 for CC 4 alkyl, m for a number from 1 to 150 and k for a number from 1 to 600 stands
  • the ethylene oxide-polypropylene oxide adduct of the filter according to the invention is preferably water-soluble and is advantageously produced by a polyaddition of ethylene oxide and propylene oxide onto CC 4 alcohols, it being preferred that the ratio of propylene oxide to ethylene oxide is in the range from 1 1 to 1 4 is also preferred that the number of ([CH 3 ] -C 2 H 4 -O) groups in the range of 1 to 10 and the (CH 2 -CH 2 -
  • the montan wax according to the invention has 0.5-99.5% by weight of a mono- to trihydric alcohol with 4 to 12 carbon atoms.
  • the alcohol component of the montan wax of the filter according to the invention is preferably in water , Acetone or other alcohols such as isopropanol or ethanol soluble.
  • sugar alcohols, glycine, pentaerythritol, manite, sorbitol or xylitol is particularly advantageous Further advantageous developments are the subject of the dependent claims
  • FIGS. 1-3 a first exemplary embodiment of a filter
  • FIGS. 4-6 a second exemplary embodiment of a filter
  • FIGS. 7-10 a third exemplary embodiment of a filter
  • FIGS. 11 to 13 show a fourth exemplary embodiment of a filter
  • FIGS. 14-15 show a fifth exemplary embodiment of a filter
  • Figures 16-17 a sixth exemplary embodiment of a filter
  • Figures 18-20 a seventh exemplary embodiment of a filter
  • FIGS. 1-3 now show a first exemplary embodiment of a filter, generally designated 1, which has an air- or gas-permeable filter body 2 with an air- or gas-permeable carrier substance 3, in particular a fiber substrate such as a fabric.
  • the funnel-shaped filter body 2 open at its one end, the lower end in FIGS. 1 and 2, so that an air or gas stream to be filtered can enter the interior 1 'of the filter 1.
  • the filter body 2 is closed, so that the air or gas stream to be cleaned passes through the filter body 2 consisting of the air or gas permeable carrier substance 3
  • the carrier substance 3 is coated or impregnated with a montan wax, which is described in more detail below and acts as a filter-active substance of the filter 1.
  • Montan waxes have so far been used for a variety of different purposes, for example as an ointment base, for cosmetic preparations, as a lubricant and mold release agent used in the rubber industry, as a brightener for galvanic baths, as a sizing agent, as a plasticizer or as stationary phases in gas chromatography.
  • montan waxes in particular ethoxylated montan waxes
  • adsorbents or absorbents for pollutants in the air or gas stream such as nicotine, formaldehyde or ozone
  • carbowaxes ie water-soluble, highly polymerized polyethylene glycols having the formula HOCH 2 -CH 2 - (0-CH 2 -CH 2 ) (f) -OH
  • the filter 1 is manufactured in such a way that the montan wax is applied as a melt or in dissolved form to the carrier substrate 3 of the air- or gas-permeable filter body 2, this coating or impregnation of the filter body 2 - which is preferred - only being carried out when the carrier substance 3 has already been brought into its geometric shape forming the filter body 2.
  • this coating or impregnation of the filter body 2 - which is preferred - only being carried out when the carrier substance 3 has already been brought into its geometric shape forming the filter body 2.
  • the filter body 2 of the second exemplary embodiment does not have a carrier substance 3 coated with the montan wax, but that the two outer surfaces 4a and 4b of the filter body 2 are formed from an air or gas-permeable sieve fabric 5, between which the filter active element is Montan wax is arranged
  • FIGS. 7-10 show a third exemplary embodiment of a filter 1 with a filter body 2, which is designed as a mat filter and is particularly suitable for insertion into a filter receptacle (not shown) of an air or gas cleaning device.
  • the filter body 2 in turn has a carrier substance 3 that is coated or impregnated with the montan wax
  • FIG. 11 to 13 show a fourth exemplary embodiment of a filter 1 with a filter body 2, in which it is provided that the filter body 2 is formed by a number of plates 7 which are preferably arranged in parallel to one another and which are arranged at a distance from one another such that the Air or gas flow can flow through spaces 8 delimited by the plates 7.
  • the plates 7 are in turn coated with the montan wax
  • FIGS. 14 and 15 show a fifth exemplary embodiment of a filter 1, the filter body 2 of which is in turn formed by a number of plates 7. As can best be seen from FIG. 15, that the individual plates 7 have a corrugated course.
  • the plates 7 coated with the montan wax are preferably separated from one another by separating elements 9, which are preferably likewise coated with the montan wax
  • 16 and 17 show a sixth exemplary embodiment of a filter 1, the filter body 2 being formed by rolling up at least one flexible and preferably corrugated strip 10. It is preferably also provided here that a separating film 11 is provided between the individual windings of the rolled strip 10 The strip 10 and preferably also the separating film 11 is in turn coated with the montan wax
  • FIGS. 18 to 20 show a seventh exemplary embodiment of a filter 1, in which it is provided that the filter body 2 is designed as a honeycomb body which has a multiplicity of air or gas guiding elements 12, the surfaces delimiting the air or gas guiding elements 12 13 of the filter body 2 of the filter 1 are coated with montan wax. It is also possible to form the filter body 2 completely from montan wax
  • an ethoxylated montan wax is preferred as the montan wax.
  • a montan wax is preferred which contains 0.5-99.5% by weight of an ethoxylated montanic acid and 99.5-0.5% by weight of an ethylene oxide adduct of the formula R. - (OCH 2 CH 2 ) n OH, where R is H or a CC 4 alkyl and n is from 1 to 700
  • carbo wax is used as the water-soluble, highly polymerized polyethylene glycol of the formula HOCH 2 -CH 2 - (OCH 2 CH 2 ) m OH
  • This montan wax is preferably 0 5-99.5% by weight of an ethylene oxide / polypropylene oxide adduct of the formula R 2 -O-CH 2 -CH 2 -O - ([CH 3 ] -C 2 H 4 -O) m - ( CH 2 -CH 2 - O) k -H, where R 2 is CC 4 alkyl, m is a number from 1-115 and k is a number from 1-600. Furthermore, it can also be provided that such a montan wax 0.5-99.5 wt -% of a monohydric to trihydric alcohol with four to twelve carbon atoms added
  • a preferred montan wax is prepared in such a way that 60 parts by weight of an ethoxylated montan wax C 28 -C 32 with 150 mol EO, with a dropping point of 60 ° C., an acid number of 4 mg KOH / g and a saponification number of 12 mg KOH / g mixed with 20 parts by weight of an EO-PO adduct with a molecular weight of 4000 g / mol homogeneously and 10 parts by weight of sorbitol at 120 ° C.
  • montan wax 60 parts by weight of an ethoxylated montan wax C 28 -C 32 with 140 mol EO, with a dropping point of 60 ° C. an acid number of 5 mg KOH / g and a saponification number of 10 mg KOH / g with 20 parts by weight of an EO adduct with a molecular weight of 10,000 g / mol homogeneously mixed at 120 ° C in the melt and dissolved in water after cooling
  • montan wax 40 parts by weight of an ethoxylated montan wax C 28 -C 32 with 130 mol EO, with a dropping point of 58 ° C. an acid number of 5 mg KOH / g and a saponification number of 10 mg KOH / g are mixed with 60 parts by weight of an EO adduct with a molecular weight of 20,000 g / mol in the melt

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Filtering Materials (AREA)

Abstract

L'invention concerne un filtre pour un appareil de purification d'air ou de gaz, qui comporte un corps filtrant (2) perméable à l'air ou au gaz. Selon l'invention, le corps filtrant (2) du filtre (1) contient une cire minérale comme élément filtrant actif.
PCT/EP2001/002436 2000-03-07 2001-03-03 Filtre pour appareil de purification d'air ou de gaz WO2001066229A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU48329/01A AU4832901A (en) 2000-03-07 2001-03-03 Filter for an air or gas purification device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10011031 2000-03-07
DE10011031.2 2000-03-07
DE10044009.6 2000-09-05
DE10044009A DE10044009A1 (de) 2000-03-07 2000-09-05 Filter für ein Luft-oder Gasreinigungsgerät

Publications (1)

Publication Number Publication Date
WO2001066229A1 true WO2001066229A1 (fr) 2001-09-13

Family

ID=26004726

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/002436 WO2001066229A1 (fr) 2000-03-07 2001-03-03 Filtre pour appareil de purification d'air ou de gaz

Country Status (2)

Country Link
AU (1) AU4832901A (fr)
WO (1) WO2001066229A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB906424A (en) * 1957-12-09 1962-09-19 Eastman Kodak Co Improvements in or relating to tobacco smoke filter elements
GB2004729A (en) * 1977-09-29 1979-04-11 Merak Spa Filters for cigarettes and process for preparing same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB906424A (en) * 1957-12-09 1962-09-19 Eastman Kodak Co Improvements in or relating to tobacco smoke filter elements
GB2004729A (en) * 1977-09-29 1979-04-11 Merak Spa Filters for cigarettes and process for preparing same

Also Published As

Publication number Publication date
AU4832901A (en) 2001-09-17

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