WO2008126331A1 - ハニカムフィルタ - Google Patents

ハニカムフィルタ Download PDF

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Publication number
WO2008126331A1
WO2008126331A1 PCT/JP2007/057302 JP2007057302W WO2008126331A1 WO 2008126331 A1 WO2008126331 A1 WO 2008126331A1 JP 2007057302 W JP2007057302 W JP 2007057302W WO 2008126331 A1 WO2008126331 A1 WO 2008126331A1
Authority
WO
WIPO (PCT)
Prior art keywords
honeycomb filter
region
carrying layer
catalyst carrying
gas
Prior art date
Application number
PCT/JP2007/057302
Other languages
English (en)
French (fr)
Inventor
Kazushige Ohno
Akihiro Ohira
Original Assignee
Ibiden 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
Application filed by Ibiden Co., Ltd. filed Critical Ibiden Co., Ltd.
Priority to JP2008534592A priority Critical patent/JP5063604B2/ja
Priority to PCT/JP2007/057302 priority patent/WO2008126331A1/ja
Priority to AT07022119T priority patent/ATE456970T1/de
Priority to EP07022119A priority patent/EP1977809B1/en
Priority to US12/052,648 priority patent/US7972566B2/en
Publication of WO2008126331A1 publication Critical patent/WO2008126331A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2068—Other inorganic materials, e.g. ceramics
    • B01D39/2093—Ceramic foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2425—Honeycomb filters characterized by parameters related to the physical properties of the honeycomb structure material
    • B01D46/2429—Honeycomb filters characterized by parameters related to the physical properties of the honeycomb structure material of the honeycomb walls or cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0001—Making filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2425—Honeycomb filters characterized by parameters related to the physical properties of the honeycomb structure material
    • B01D46/24492—Pore diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2425—Honeycomb filters characterized by parameters related to the physical properties of the honeycomb structure material
    • B01D46/24494—Thermal expansion coefficient, heat capacity or thermal conductivity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B01D46/2476—Monolithic structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B01D46/2478—Structures comprising honeycomb segments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2498—The honeycomb filter being defined by mathematical relationships
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/4263—Means for active heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/80—Chemical processes for the removal of the retained particles, e.g. by burning
    • B01D46/82—Chemical processes for the removal of the retained particles, e.g. by burning with catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/80—Chemical processes for the removal of the retained particles, e.g. by burning
    • B01D46/84—Chemical processes for the removal of the retained particles, e.g. by burning by heating only
    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/42—Platinum
    • B01J35/19—
    • B01J35/30—
    • 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
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0242—Coating followed by impregnation
    • 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
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
    • 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
    • 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
    • B01D—SEPARATION
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/30—Porosity of filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
    • B01D2279/30—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for treatment of exhaust gases from IC Engines
    • B01J35/40—
    • 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
    • C04B2111/00793—Uses not provided for elsewhere in C04B2111/00 as filters or diaphragms
    • 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

Abstract

多数のセルがセル壁を隔てて長手方向に並設され、セルのいずれか一方の端部が封止された柱状のハニカム焼成体からなり、一方の端面側から流入したガスが他方の端面側から流出するハニカムフィルタであって、ハニカムフィルタには、そのガス流出側端面からハニカムフィルタの全長の１０％の領域には触媒担持層が形成されておらず、ハニカムフィルタのガス流入側端面からハニカムフィルタの全長の９０％の領域のうち、ハニカムフィルタの全長の２５～９０％の領域には触媒担持層が形成され、ハニカムフィルタの触媒担持層が形成されていない領域の熱伝導率は、ハニカムフィルタの触媒担持層が形成された領域の熱伝導率に比べて高く、ハニカムフィルタの触媒担持層が形成されていない領域の細孔直径の最頻値a（μｍ）とが、ハニカムフィルタの触媒担持層が形成された領域の細孔直径の最頻値をｂ（μｍ）とが, a-b≦５、１０≦a≦２０を満たす。
PCT/JP2007/057302 2007-03-30 2007-03-30 ハニカムフィルタ WO2008126331A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2008534592A JP5063604B2 (ja) 2007-03-30 2007-03-30 ハニカムフィルタ
PCT/JP2007/057302 WO2008126331A1 (ja) 2007-03-30 2007-03-30 ハニカムフィルタ
AT07022119T ATE456970T1 (de) 2007-03-30 2007-11-14 Wabenfilter
EP07022119A EP1977809B1 (en) 2007-03-30 2007-11-14 Honeycomb filter
US12/052,648 US7972566B2 (en) 2007-03-30 2008-03-20 Honeycomb filter and exhaust gas purifying apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/057302 WO2008126331A1 (ja) 2007-03-30 2007-03-30 ハニカムフィルタ

Publications (1)

Publication Number Publication Date
WO2008126331A1 true WO2008126331A1 (ja) 2008-10-23

Family

ID=39323952

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/057302 WO2008126331A1 (ja) 2007-03-30 2007-03-30 ハニカムフィルタ

Country Status (5)

Country Link
US (1) US7972566B2 (ja)
EP (1) EP1977809B1 (ja)
JP (1) JP5063604B2 (ja)
AT (1) ATE456970T1 (ja)
WO (1) WO2008126331A1 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010264359A (ja) * 2009-05-13 2010-11-25 Honda Motor Co Ltd 内燃機関の排気浄化装置
WO2013145266A1 (ja) 2012-03-30 2013-10-03 トヨタ自動車株式会社 パティキュレートフィルタ
US9689296B2 (en) 2012-11-13 2017-06-27 Toyota Jidosha Kabushiki Kaisha Exhaust purification device for internal combustion engine
US10294838B2 (en) 2012-12-03 2019-05-21 Toyota Jidosha Kabushiki Kaisha Exhaust purification filter
WO2020031794A1 (ja) * 2018-08-09 2020-02-13 エヌ・イーケムキャット株式会社 排ガス浄化触媒

Families Citing this family (15)

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Publication number Priority date Publication date Assignee Title
JP4303599B2 (ja) * 2002-03-25 2009-07-29 イビデン株式会社 排ガス浄化用フィルタ
US7510588B2 (en) * 2002-03-29 2009-03-31 Ibiden Co., Ltd. Ceramic filter and exhaust gas decontamination unit
ATE386581T1 (de) * 2003-10-20 2008-03-15 Ibiden Co Ltd Wabenstruktur
JP5063604B2 (ja) 2007-03-30 2012-10-31 イビデン株式会社 ハニカムフィルタ
JPWO2008126328A1 (ja) * 2007-03-30 2010-07-22 イビデン株式会社 ハニカムフィルタ
WO2008126330A1 (ja) 2007-03-30 2008-10-23 Ibiden Co., Ltd. ハニカム構造体
WO2008126332A1 (ja) * 2007-03-30 2008-10-23 Ibiden Co., Ltd. ハニカムフィルタ
JPWO2008126329A1 (ja) * 2007-03-30 2010-07-22 イビデン株式会社 ハニカムフィルタ
WO2008126321A1 (ja) * 2007-03-30 2008-10-23 Ibiden Co., Ltd. 排ガス浄化システム
WO2008136078A1 (ja) * 2007-04-20 2008-11-13 Ibiden Co., Ltd. ハニカムフィルタ
WO2009054460A1 (ja) * 2007-10-26 2009-04-30 Asahi Kasei Chemicals Corporation 気体分離膜
JP5273446B2 (ja) * 2008-05-12 2013-08-28 日産自動車株式会社 排ガス浄化用触媒及びその製造方法
JP7049155B2 (ja) * 2018-03-30 2022-04-06 日本碍子株式会社 ハニカムフィルタ
JP7097210B2 (ja) * 2018-03-30 2022-07-07 日本碍子株式会社 ハニカムフィルタ
FR3111568A1 (fr) * 2020-06-17 2021-12-24 Saint-Gobain Centre De Recherches Et D'etudes Europeen Utilisation d’une pièce céramique poreuse frittée pour le traitement de l’air

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JP2003154223A (ja) * 2001-07-18 2003-05-27 Ibiden Co Ltd 触媒つきフィルタ、その製造方法及び排気ガス浄化システム
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