ZA200604181B - Catalyst for a diesel particulate filter - Google Patents

Catalyst for a diesel particulate filter Download PDF

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Publication number
ZA200604181B
ZA200604181B ZA200604181A ZA200604181A ZA200604181B ZA 200604181 B ZA200604181 B ZA 200604181B ZA 200604181 A ZA200604181 A ZA 200604181A ZA 200604181 A ZA200604181 A ZA 200604181A ZA 200604181 B ZA200604181 B ZA 200604181B
Authority
ZA
South Africa
Prior art keywords
catalyst
oxide
amount
present
platinum
Prior art date
Application number
ZA200604181A
Other languages
English (en)
Inventor
Ziebarth Robin
Cheng G Li
Ramanathan Ravi
Original Assignee
Dow Global Technologies Inc
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 Dow Global Technologies Inc filed Critical Dow Global Technologies Inc
Publication of ZA200604181B publication Critical patent/ZA200604181B/en

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
    • F01N3/02—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
    • F01N3/033—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 in combination with other devices
    • F01N3/035—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 in combination with other devices with catalytic reactors
    • 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
    • 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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides 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
    • 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
    • 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
    • B01J37/0219—Coating the coating containing organic compounds
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/16—Selection of particular materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
ZA200604181A 2003-11-24 2004-11-22 Catalyst for a diesel particulate filter ZA200604181B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52447003P 2003-11-24 2003-11-24

Publications (1)

Publication Number Publication Date
ZA200604181B true ZA200604181B (en) 2007-11-28

Family

ID=34632900

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200604181A ZA200604181B (en) 2003-11-24 2004-11-22 Catalyst for a diesel particulate filter

Country Status (10)

Country Link
US (1) US20050113249A1 (https=)
EP (1) EP1697023A1 (https=)
JP (1) JP2007512133A (https=)
KR (1) KR20060100447A (https=)
CN (1) CN1886184B (https=)
BR (1) BRPI0416704A (https=)
CA (1) CA2546234A1 (https=)
RU (1) RU2361665C2 (https=)
WO (1) WO2005051523A1 (https=)
ZA (1) ZA200604181B (https=)

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US20040234438A1 (en) * 2001-09-07 2004-11-25 Lianxin Dai Ceric oxide and method for production thereof, and catalyst for exhaust gas clarification
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JP4618046B2 (ja) * 2005-08-23 2011-01-26 マツダ株式会社 ディーゼルパティキュレートフィルタ
US7771669B2 (en) 2006-03-20 2010-08-10 Ford Global Technologies, Llc Soot oxidation catalyst and method of making
US7797931B2 (en) 2006-03-20 2010-09-21 Ford Global Technologies, Llc Catalyst composition for diesel particulate filter
WO2007136753A2 (en) * 2006-05-18 2007-11-29 Clean Diesel Technologies, Inc. Improvements in diesel particulate control
WO2008011146A1 (en) * 2006-07-21 2008-01-24 Dow Global Technologies Inc. Improved zone catalyzed soot filter
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US7947102B2 (en) * 2006-12-21 2011-05-24 Dow Global Technologies Llc Soot filter
JP4849035B2 (ja) 2007-08-08 2011-12-28 マツダ株式会社 触媒付パティキュレートフィルタ
JP4849034B2 (ja) 2007-08-08 2011-12-28 マツダ株式会社 触媒付パティキュレートフィルタ
JP4985299B2 (ja) * 2007-10-10 2012-07-25 マツダ株式会社 排ガス成分浄化用触媒材及び同触媒材付パティキュレートフィルタ
EP2203238B1 (en) * 2007-10-12 2014-05-28 Dow Global Technologies LLC Improved thermal shock resistant soot filter
MX2010014553A (es) * 2008-06-27 2011-02-15 Dow Global Technologies Inc Metodo para elaborar cuerpos porosos de mulita acicular.
KR101725558B1 (ko) 2008-09-18 2017-04-10 다우 글로벌 테크놀로지스 엘엘씨 다공성 뮬라이트-함유 복합체의 제조 방법
PL2379469T3 (pl) 2008-12-18 2013-07-31 Dow Global Technologies Llc Filtr ceramiczny ze strukturą plastra miodu o zwiększonej odporności na szok termiczny
EP2448884A1 (en) 2009-06-29 2012-05-09 Dow Global Technologies LLC Process for producing cemented and skinned acicular mullite honeycomb structures
CN102625787A (zh) 2009-06-29 2012-08-01 陶氏环球技术有限责任公司 具有涂敷的无机表皮的陶瓷蜂窝结构体
US9593608B2 (en) 2009-12-31 2017-03-14 Dow Global Technologies Llc Method of making polymeric barrier coating to mitigate binder migration in a diesel particulate filter to reduce filter pressure drop and temperature gradients
JP6025816B2 (ja) 2011-03-29 2016-11-16 ダウ グローバル テクノロジーズ エルエルシー 多孔質ムライト−チアライト複合体を作製するための方法
DE112012003075T5 (de) 2011-07-22 2014-07-31 Dow Global Technologies Llc Verfahren zur Herstellung von zementierten und behäuteten nadelförmigen Mulltiwabenstrukturen
JP6404716B2 (ja) 2011-11-21 2018-10-17 ダウ グローバル テクノロジーズ エルエルシー 多孔質ムライト含有複合物を作製するための方法
US9126182B2 (en) 2012-01-30 2015-09-08 Basf Corporation Catalyzed soot filters, systems and methods of treatment
CN104321123B (zh) 2012-04-23 2017-03-01 陶氏环球技术有限责任公司 轴向分节陶瓷蜂窝组件
KR20150088804A (ko) * 2012-11-30 2015-08-03 다우 글로벌 테크놀로지스 엘엘씨 허니컴 필터를 사용한 가솔린 직접 분사 엔진 배기가스의 여과
CN103711557B (zh) * 2013-12-27 2016-02-24 清华大学 颗粒捕集器平衡温度的测试方法及装置

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Also Published As

Publication number Publication date
JP2007512133A (ja) 2007-05-17
WO2005051523A1 (en) 2005-06-09
CN1886184A (zh) 2006-12-27
KR20060100447A (ko) 2006-09-20
EP1697023A1 (en) 2006-09-06
RU2006122523A (ru) 2008-01-10
CN1886184B (zh) 2010-06-02
CA2546234A1 (en) 2005-06-09
US20050113249A1 (en) 2005-05-26
BRPI0416704A (pt) 2007-01-16
RU2361665C2 (ru) 2009-07-20

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