DE68927770D1 - Katalytischer Verbundstoff auf der Basis von Delafosite zur Reinigung von Abgasen und Verfahren zu seiner Herstellung - Google Patents

Katalytischer Verbundstoff auf der Basis von Delafosite zur Reinigung von Abgasen und Verfahren zu seiner Herstellung

Info

Publication number
DE68927770D1
DE68927770D1 DE68927770T DE68927770T DE68927770D1 DE 68927770 D1 DE68927770 D1 DE 68927770D1 DE 68927770 T DE68927770 T DE 68927770T DE 68927770 T DE68927770 T DE 68927770T DE 68927770 D1 DE68927770 D1 DE 68927770D1
Authority
DE
Germany
Prior art keywords
delafosite
production
exhaust gases
catalytic composite
cleaning exhaust
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 - Fee Related
Application number
DE68927770T
Other languages
English (en)
Other versions
DE68927770T2 (de
Inventor
Hiroshi Fukuda
Ikuo Matsumoto
Kenji Tabata
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 JP63317483A external-priority patent/JPH07114967B2/ja
Priority claimed from JP63317484A external-priority patent/JPH02164455A/ja
Priority claimed from JP1170008A external-priority patent/JP2760439B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE68927770D1 publication Critical patent/DE68927770D1/de
Publication of DE68927770T2 publication Critical patent/DE68927770T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2825—Ceramics
    • F01N3/2828—Ceramic multi-channel monoliths, e.g. honeycombs
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/002—Mixed oxides other than spinels, e.g. perovskite
    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/864—Removing carbon monoxide or hydrocarbons
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/32—Manganese, technetium or rhenium
    • B01J23/34—Manganese
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/72—Copper
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/75—Cobalt
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • B01J35/57—Honeycombs
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/58—Fabrics 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/70—Catalysts, in general, characterised by their form or physical properties characterised by their crystalline properties, e.g. semi-crystalline
    • B01J35/733—Perovskite-type
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08—Heat treatment
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80—Fibres, filaments, whiskers, platelets, or the like
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/0006—Honeycomb structures
    • 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
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
    • B01J2523/10—Constitutive chemical elements of heterogeneous catalysts of Group I (IA or IB) of the Periodic Table
    • B01J2523/17—Copper
    • 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
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
    • B01J2523/70—Constitutive chemical elements of heterogeneous catalysts of Group VII (VIIB) of the Periodic Table
    • B01J2523/72—Manganese
    • 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
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
    • B01J2523/80—Constitutive chemical elements of heterogeneous catalysts of Group VIII of the Periodic Table
    • B01J2523/84—Metals of the iron group
    • B01J2523/845—Cobalt
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0081—Uses not provided for elsewhere in C04B2111/00 as catalysts or catalyst carriers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/06—Ceramic, e.g. monoliths
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
    • Y10S502/525—Perovskite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Structural Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Manufacturing & Machinery (AREA)
  • Analytical Chemistry (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Filtering Materials (AREA)
DE68927770T 1988-12-15 1989-12-14 Katalytischer Verbundstoff auf der Basis von Delafosite zur Reinigung von Abgasen und Verfahren zu seiner Herstellung Expired - Fee Related DE68927770T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP63317483A JPH07114967B2 (ja) 1988-12-15 1988-12-15 排ガス浄化触媒体
JP63317484A JPH02164455A (ja) 1988-12-15 1988-12-15 排ガス浄化触媒体
JP1170008A JP2760439B2 (ja) 1989-06-30 1989-06-30 排ガス浄化触媒体とその製造方法

Publications (2)

Publication Number Publication Date
DE68927770D1 true DE68927770D1 (de) 1997-03-27
DE68927770T2 DE68927770T2 (de) 1997-08-14

Family

ID=27323277

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68927770T Expired - Fee Related DE68927770T2 (de) 1988-12-15 1989-12-14 Katalytischer Verbundstoff auf der Basis von Delafosite zur Reinigung von Abgasen und Verfahren zu seiner Herstellung

Country Status (6)

Country Link
US (1) US5057482A (de)
EP (1) EP0373648B1 (de)
KR (1) KR900009133A (de)
AU (1) AU611831B2 (de)
CA (1) CA2005411C (de)
DE (1) DE68927770T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03161052A (ja) * 1989-11-17 1991-07-11 Matsushita Electric Ind Co Ltd 排気ガス浄化触媒体およびその製造方法
US5079064A (en) * 1990-04-30 1992-01-07 E. I. Du Pont De Nemours And Company Thermal shock resistant ceramic honeycomb structures of cordierite, mullite and corundum
DE4022937A1 (de) * 1990-07-19 1992-01-23 Schwaebische Huettenwerke Gmbh Filter- oder katalysatorkoerper
DE4200995C2 (de) * 1991-01-21 2002-02-14 Seibu Giken Fukuoka Kk Verfahren zur Herstellung eines wabenförmigen Gasadsorptionselements oder eines wabenförmigen Katalysatorträgers
CN1049611C (zh) * 1993-03-22 2000-02-23 吉林大学 陶瓷纤维负载型高温反应催化剂的制备方法
US5925590A (en) * 1994-05-25 1999-07-20 Eltron Research, Inc. Catalysts utilizing oxygen-deficient metal oxide compound for removal of exhaust gas constituents
US5559073A (en) * 1994-09-26 1996-09-24 Beijing Huaxia Environmental Protection Company Pollution control catalyst with mutual protective distributed-active-combinations each including noble-metal-atoms stably structured and protected therein
US6045628A (en) 1996-04-30 2000-04-04 American Scientific Materials Technologies, L.P. Thin-walled monolithic metal oxide structures made from metals, and methods for manufacturing such structures
US5814164A (en) 1994-11-09 1998-09-29 American Scientific Materials Technologies L.P. Thin-walled, monolithic iron oxide structures made from steels, and methods for manufacturing such structures
JP3358766B2 (ja) * 1994-12-16 2002-12-24 トヨタ自動車株式会社 排ガス浄化用触媒
ATE216280T1 (de) * 1995-01-20 2002-05-15 Engelhard Corp Vorrichtung zur schadstoffentfernung aus umgebungsluft in der motorhaube eines fahrzeuges
US6818254B1 (en) 1995-01-20 2004-11-16 Engelhard Corporation Stable slurries of catalytically active materials
US5789339A (en) * 1995-06-07 1998-08-04 W. R. Grace & Co.-Conn. Catalyst for oxidizing oxygen-containing organic compounds in waste gas
US6156283A (en) 1998-03-23 2000-12-05 Engelhard Corporation Hydrophobic catalytic materials and method of forming the same
KR100576985B1 (ko) * 1998-12-31 2006-07-19 주식회사 케이씨씨 연소배기가스 정화촉매 담체 제조용 세라믹 페이퍼
US6461562B1 (en) 1999-02-17 2002-10-08 American Scientific Materials Technologies, Lp Methods of making sintered metal oxide articles
FR2793163B1 (fr) * 1999-05-07 2001-08-10 Ecia Equip Composants Ind Auto Composition d'epuration avec traitement des nox des gaz d'echappement d'un moteur a combustion interne
JP2001269578A (ja) * 2000-01-19 2001-10-02 Toyota Motor Corp 排気ガス浄化用触媒
JP3893146B2 (ja) * 2000-05-31 2007-03-14 三浦工業株式会社 塩素化有機化合物の採取用フイルター
JP4355469B2 (ja) * 2002-03-08 2009-11-04 日本碍子株式会社 アルミナ担持担体、触媒体及びアルミナ担持担体の製造方法
JP4204487B2 (ja) * 2004-01-21 2009-01-07 本田技研工業株式会社 排ガス浄化触媒及びその製造方法、並びに車用排ガス浄化触媒装置
EP2017003A1 (de) * 2007-07-20 2009-01-21 Pall Corporation Katalytisches Element
CN119869550B (zh) * 2025-03-27 2025-07-22 南通斐腾新材料科技有限公司 一种耐硅中毒型催化剂及其制备方法

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Publication number Priority date Publication date Assignee Title
FR1526150A (fr) * 1967-04-10 1968-05-24 Produits Refractaires Fibres minérales catalytiques
US3697447A (en) * 1969-05-07 1972-10-10 Johns Manville Catalytic oxidation unit comprising a fluid permeable body of fibrous admixture
GB1349205A (en) * 1970-05-13 1974-04-03 Universal Oil Prod Co Mat of fibrous material and preparation and uses thereof
US3691097A (en) * 1970-06-15 1972-09-12 Du Pont Uniform composite structures of catalyst and fibrous refractory
JPS517475B2 (de) * 1972-05-04 1976-03-08
FR2225203B1 (de) * 1973-04-16 1978-01-20 Du Pont
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US4122041A (en) * 1976-09-07 1978-10-24 E. I. Du Pont De Nemours And Company Siliceous fibers and method of preparing them
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IT1108693B (it) * 1978-07-26 1985-12-09 Fiat Spt Procedimento per la realizzazione di supporti monolitici per catalizzatori
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JPS58156350A (ja) * 1982-03-12 1983-09-17 Matsushita Electric Ind Co Ltd 排ガス浄化装置
DE3504122C2 (de) * 1985-02-07 1994-02-03 Kat Tec Ges Fuer Katalysatorte Katalysator zur Umwandlung von Kohlenwasserstoffen, Stickoxiden und Brenngasen
ATE91920T1 (de) * 1986-11-20 1993-08-15 Emitec Emissionstechnologie Metallischer katalysator-traegerkoerper und verfahren zu seiner herstellung.
DE3714262A1 (de) * 1987-04-29 1988-11-10 Huels Chemische Werke Ag Plattenfoermiger katalysator zur entfernung von stickstoffoxiden aus abgasen

Also Published As

Publication number Publication date
EP0373648B1 (de) 1997-02-12
EP0373648A2 (de) 1990-06-20
US5057482A (en) 1991-10-15
DE68927770T2 (de) 1997-08-14
KR900009133A (ko) 1990-07-02
EP0373648A3 (de) 1990-08-01
CA2005411A1 (en) 1990-06-15
CA2005411C (en) 1994-06-28
AU611831B2 (en) 1991-06-20
AU4606489A (en) 1990-06-21

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