BRPI0416704A - catalisador para uso em um filtro de particulado de diesel e sistema de exaustão de diesel - Google Patents

catalisador para uso em um filtro de particulado de diesel e sistema de exaustão de diesel

Info

Publication number
BRPI0416704A
BRPI0416704A BRPI0416704-0A BRPI0416704A BRPI0416704A BR PI0416704 A BRPI0416704 A BR PI0416704A BR PI0416704 A BRPI0416704 A BR PI0416704A BR PI0416704 A BRPI0416704 A BR PI0416704A
Authority
BR
Brazil
Prior art keywords
particulate filter
diesel
catalyst
diesel particulate
exhaust system
Prior art date
Application number
BRPI0416704-0A
Other languages
English (en)
Inventor
Robin Ziebarth
Cheng G Li
Ravi Ramanathan
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 BRPI0416704A publication Critical patent/BRPI0416704A/pt

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)

Abstract

"CATALISADOR PARA USO EM UM FILTRO DE PARTICULADO DE DIESEL E SISTEMA DE EXAUSTãO DE DIESEL". Um catalisador para uso em um filtro de particulado de diesel compreendendo platina e um óxido de cério onde a quantidade, em peso, de platina presente, por volume, no filtro de particulado de diesel é de cerca de 1 g/ft¬ 3¬ a cerca de 20 g/ft¬ 3¬, a quantidade, em peso, de óxido de cério presente no filtro de particulado de diesel é no máximo cerca de 750 g/ft¬ 3¬, e a platina e óxido de cério estão presentes em uma razão de óxido de cério/platina de cerca de 10 a cerca de 75 em peso dentro do filtro de particulado de diesel.
BRPI0416704-0A 2003-11-24 2004-11-22 catalisador para uso em um filtro de particulado de diesel e sistema de exaustão de diesel BRPI0416704A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52447003P 2003-11-24 2003-11-24
PCT/US2004/039704 WO2005051523A1 (en) 2003-11-24 2004-11-22 Catalyst for a diesel particulate filter

Publications (1)

Publication Number Publication Date
BRPI0416704A true BRPI0416704A (pt) 2007-01-16

Family

ID=34632900

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0416704-0A BRPI0416704A (pt) 2003-11-24 2004-11-22 catalisador para uso em um filtro de particulado de diesel e sistema de exaustão de diesel

Country Status (10)

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

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WO2008079668A2 (en) * 2006-12-21 2008-07-03 Dow Global Technologies Inc. Improved soot filter
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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
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EP2203238B1 (en) * 2007-10-12 2014-05-28 Dow Global Technologies LLC Improved thermal shock resistant soot filter
EP2315732B1 (en) * 2008-06-27 2014-11-26 Dow Global Technologies LLC Method for making porous acicular mullite bodies
EP2326605A1 (en) 2008-09-18 2011-06-01 Dow Global Technologies LLC Method for making porous mullite-containing composites
JP2012512745A (ja) 2008-12-18 2012-06-07 ダウ グローバル テクノロジーズ エルエルシー 増強した熱衝撃抵抗性を有するセラミックハニカムフィルター
CN104909831A (zh) 2009-06-29 2015-09-16 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
JP2012532087A (ja) 2009-06-29 2012-12-13 ダウ グローバル テクノロジーズ エルエルシー 接着及び表皮付き針状ムライトハニカム構造を製造するためのプロセス
MX2012007751A (es) 2009-12-31 2012-08-01 Dow Global Technologies Llc Metodo para elaborar un recubrimiento de barrera polimerica para atenuar la migracion de aglutinante en un filtro de particulados de diesel para reucir la caida de presion y los gradientes de temperatura en el filtro.
WO2012135401A1 (en) 2011-03-29 2012-10-04 Dow Global Technologies Llc Method for making porous mullite-tialite composites
US8999448B2 (en) 2011-07-22 2015-04-07 Dow Global Technologies Llc Process for producing cemented and skinned ceramic honeycomb structures
CN103958442A (zh) 2011-11-21 2014-07-30 陶氏环球技术有限责任公司 用于制备含多孔莫来石的复合材料的方法
US9126182B2 (en) 2012-01-30 2015-09-08 Basf Corporation Catalyzed soot filters, systems and methods of treatment
DE112013002164T5 (de) 2012-04-23 2015-01-29 Dow Global Technologies Llc Axial geschnittene keramische Wabeneinheiten
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
EP1697023A1 (en) 2006-09-06
CA2546234A1 (en) 2005-06-09
RU2006122523A (ru) 2008-01-10
KR20060100447A (ko) 2006-09-20
JP2007512133A (ja) 2007-05-17
RU2361665C2 (ru) 2009-07-20
WO2005051523A1 (en) 2005-06-09
CN1886184B (zh) 2010-06-02
US20050113249A1 (en) 2005-05-26
ZA200604181B (en) 2007-11-28
CN1886184A (zh) 2006-12-27

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2158 DE 15/05/2012.