KR100989212B1 - 배기 가스 정화용 촉매 및 그의 제조 방법 - Google Patents

배기 가스 정화용 촉매 및 그의 제조 방법 Download PDF

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KR100989212B1
KR100989212B1 KR1020087026249A KR20087026249A KR100989212B1 KR 100989212 B1 KR100989212 B1 KR 100989212B1 KR 1020087026249 A KR1020087026249 A KR 1020087026249A KR 20087026249 A KR20087026249 A KR 20087026249A KR 100989212 B1 KR100989212 B1 KR 100989212B1
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particle
slurry
added
particles
water
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KR20090005337A (ko
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히로또 기꾸치
마사노리 나까무라
히로노리 와까마쯔
히데아끼 모리사까
히로후미 야스다
가쯔오 스가
가즈유끼 시라또리
겐지 우에스기
도시하루 미야무라
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르노 에스.아.에스.
닛산 지도우샤 가부시키가이샤
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    • 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
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/63—Platinum group metals with rare earths or actinides
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
    • F01N3/0224—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being granular
    • 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
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • 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
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific 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
    • 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
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/656—Manganese, technetium or rhenium
    • 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
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/656—Manganese, technetium or rhenium
    • B01J23/6562—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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • B01J35/45—Nanoparticles
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • 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
    • B01J37/0244—Coatings comprising several layers
    • 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
    • B01J37/0248—Coatings comprising impregnated particles
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/633—Pore volume less than 0.5 ml/g
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/635—0.5-1.0 ml/g
    • 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
    • B01J37/0201—Impregnation
    • 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
    • B01J37/0215—Coating
    • B01J37/0221—Coating of particles
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Toxicology (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
KR1020087026249A 2006-04-28 2007-04-12 배기 가스 정화용 촉매 및 그의 제조 방법 Active KR100989212B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JPJP-P-2006-126557 2006-04-28
JP2006126557 2006-04-28
JP2007032269A JP4881758B2 (ja) 2006-04-28 2007-02-13 排気ガス浄化用触媒及びその製造方法
JPJP-P-2007-032269 2007-02-13

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KR20090005337A KR20090005337A (ko) 2009-01-13
KR100989212B1 true KR100989212B1 (ko) 2010-10-20

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Country Status (6)

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US (2) US7833930B2 (enExample)
EP (1) EP2014361B1 (enExample)
JP (1) JP4881758B2 (enExample)
KR (1) KR100989212B1 (enExample)
CN (1) CN101426576B (enExample)
WO (1) WO2007125757A1 (enExample)

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US7977276B2 (en) * 2007-04-12 2011-07-12 Nissan Motor Co., Ltd. Exhaust gas purifying catalyst and method of producing the same
US7976784B2 (en) * 2007-12-18 2011-07-12 Basf Corporation Methods and systems including CO oxidation catalyst with low NO to NO2 conversion
WO2010013574A1 (ja) 2008-07-31 2010-02-04 日産自動車株式会社 排気ガス浄化触媒
CN104353457B (zh) 2008-09-02 2017-05-24 日产自动车株式会社 废气净化用催化剂及其制造方法
CN102341172A (zh) * 2009-03-04 2012-02-01 日产自动车株式会社 废气净化催化剂及其制造方法
DE102009024158A1 (de) * 2009-06-08 2010-12-09 Süd-Chemie AG Verfahren zur Herstellung eines Dreiwegekatalysators mit Rhodium und Platin geträgert auf getrennten Oxidträgern mit nur einem Beschichtungsschritt und Kalzinierschritt
JP5391885B2 (ja) * 2009-07-09 2014-01-15 日産自動車株式会社 排気ガス浄化用触媒、排気ガス浄化用触媒の製造方法、排気ガス浄化用ハニカム触媒
US20110033353A1 (en) * 2009-08-05 2011-02-10 Basf Corporation Preparation of Diesel Oxidation Catalyst Via Deposition of Colloidal Nanoparticles
EP2502672B1 (en) 2009-11-17 2016-09-14 Nissan Motor Co., Ltd. Exhaust gas purification catalyst and manufacturing method therefor
JP5895600B2 (ja) * 2012-03-01 2016-03-30 日産自動車株式会社 排ガス浄化触媒及びその製造方法
US9266092B2 (en) 2013-01-24 2016-02-23 Basf Corporation Automotive catalyst composites having a two-metal layer
JP2018510053A (ja) * 2015-01-29 2018-04-12 ビーエーエスエフ コーポレーション 自動車排ガス処理用白金族金属（ｐｇｍ）触媒
JP6909402B2 (ja) * 2017-07-12 2021-07-28 株式会社豊田中央研究所 排ガス浄化用触媒担体、それを用いた排ガス浄化用触媒、及び排ガス浄化用触媒担体の製造方法
CN110560056B (zh) * 2019-08-30 2022-11-01 无锡威孚环保催化剂有限公司 通用小型汽油机尾气催化剂及其制备方法
JP7621326B2 (ja) * 2020-02-21 2025-01-24 株式会社キャタラー 排ガス浄化用触媒
JP6986116B1 (ja) * 2020-06-30 2021-12-22 株式会社キャタラー 排ガス浄化用触媒

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JPH11319555A (ja) * 1998-05-21 1999-11-24 Matsushita Electric Ind Co Ltd 排気ガス浄化材及びこれを用いた排気ガス浄化装置

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JP2006035130A (ja) * 2004-07-28 2006-02-09 Nissan Motor Co Ltd 排気ガス浄化用触媒及びその製造方法
JP2006043654A (ja) * 2004-08-09 2006-02-16 Toyota Motor Corp 排ガス浄化触媒及びその製造方法
JP2006068665A (ja) * 2004-09-03 2006-03-16 Toyota Motor Corp 排ガス浄化触媒の製造方法及び排ガス浄化触媒
JP2006326554A (ja) * 2005-05-30 2006-12-07 Nissan Motor Co Ltd 排気ガス浄化用触媒及びその製造方法
EP3308846A1 (en) * 2005-11-01 2018-04-18 Nissan Motor Co., Ltd. Exhaust gas purifying catalyst and production method thereof
CN101415489B (zh) * 2006-04-03 2012-06-27 日产自动车株式会社 废气净化催化剂及其制造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4239656A (en) * 1978-04-04 1980-12-16 Kabushiki Kaisha Toyota Chuo Kenkyusho Catalyst for purifying exhaust gases and carrier for the catalyst
JPH11319555A (ja) * 1998-05-21 1999-11-24 Matsushita Electric Ind Co Ltd 排気ガス浄化材及びこれを用いた排気ガス浄化装置

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US20110034331A1 (en) 2011-02-10
CN101426576B (zh) 2015-05-13
US7833930B2 (en) 2010-11-16
JP4881758B2 (ja) 2012-02-22
KR20090005337A (ko) 2009-01-13
EP2014361A1 (en) 2009-01-14
WO2007125757A1 (ja) 2007-11-08
EP2014361A4 (en) 2012-10-17
US20090088320A1 (en) 2009-04-02
CN101426576A (zh) 2009-05-06
JP2007313498A (ja) 2007-12-06
EP2014361B1 (en) 2017-01-04

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