ZA9810197B - Composition containing a support based on a cerium oxide a zirconium oxide and a scandium or rare-earth oxide and use for exhaust gas treatment - Google Patents

Composition containing a support based on a cerium oxide a zirconium oxide and a scandium or rare-earth oxide and use for exhaust gas treatment

Info

Publication number
ZA9810197B
ZA9810197B ZA9810197A ZA9810197A ZA9810197B ZA 9810197 B ZA9810197 B ZA 9810197B ZA 9810197 A ZA9810197 A ZA 9810197A ZA 9810197 A ZA9810197 A ZA 9810197A ZA 9810197 B ZA9810197 B ZA 9810197B
Authority
ZA
South Africa
Prior art keywords
oxide
scandium
rare
exhaust gas
composition containing
Prior art date
Application number
ZA9810197A
Other languages
English (en)
Inventor
Catherine Hedouin
Thierry Seguelong
Original Assignee
Rhodia Chemie
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 Rhodia Chemie filed Critical Rhodia Chemie
Publication of ZA9810197B publication Critical patent/ZA9810197B/xx

Links

Classifications

    • 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
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
    • 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
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2042—Barium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2065—Cerium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2066—Praseodymium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/2073—Manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/40—Mixed oxides
    • B01D2255/407—Zr-Ce mixed oxides
    • 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
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • 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
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
ZA9810197A 1997-11-10 1998-11-09 Composition containing a support based on a cerium oxide a zirconium oxide and a scandium or rare-earth oxide and use for exhaust gas treatment ZA9810197B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9714083A FR2770790B1 (fr) 1997-11-10 1997-11-10 Composition a support a base d'un oxyde de cerium, d'un oxyde de zirconium et d'un oxyde de scandium ou de terre rare et utilisation pour le traitement des gaz d'echappement

Publications (1)

Publication Number Publication Date
ZA9810197B true ZA9810197B (en) 1999-05-14

Family

ID=9513206

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9810197A ZA9810197B (en) 1997-11-10 1998-11-09 Composition containing a support based on a cerium oxide a zirconium oxide and a scandium or rare-earth oxide and use for exhaust gas treatment

Country Status (15)

Country Link
US (1) US6358880B1 (xx)
EP (1) EP1030732B1 (xx)
JP (1) JP3571292B2 (xx)
KR (1) KR100416357B1 (xx)
CN (1) CN1130247C (xx)
AT (1) ATE235304T1 (xx)
AU (1) AU1161599A (xx)
BR (1) BR9814858A (xx)
CA (1) CA2310123C (xx)
DE (1) DE69812687T2 (xx)
FR (1) FR2770790B1 (xx)
MY (1) MY133890A (xx)
NO (1) NO20002427L (xx)
WO (1) WO1999024153A1 (xx)
ZA (1) ZA9810197B (xx)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6506705B2 (en) * 1996-12-06 2003-01-14 Rhodia Chimie Composition based on cerium oxide or on cerium and zirconium oxides, in the extruded form, process for the preparation thereof and use thereof as catalyst
FR2771306B1 (fr) * 1997-11-25 2000-02-04 Rhodia Chimie Sa Composition a base de manganese et utilisation comme piege a nox pour le traitement de gaz d'echappement
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
JP4123644B2 (ja) * 1999-06-22 2008-07-23 トヨタ自動車株式会社 排ガス浄化触媒
FR2804102B1 (fr) * 2000-01-26 2002-08-16 Rhodia Terres Rares Dispersion colloidale aqueuse d'un compose de cerium et d'au moins un autre element choisi parmi les terres rares, des metaux de transition, l'aluminium, le gallium et le zirconium, procede de preparation et utilisation
US7081431B2 (en) * 2000-09-08 2006-07-25 Toyota Jidosha Kabushiki Kaisha NOx absorbent and absorption reduction-type NOx purifying catalyst
JP3946982B2 (ja) * 2001-11-01 2007-07-18 ニッケイ・メル株式会社 ジルコニア・セリア基複合酸化物の製造方法
JP3758601B2 (ja) * 2002-05-15 2006-03-22 トヨタ自動車株式会社 吸蔵還元型ＮＯｘ浄化用触媒
JP3528839B2 (ja) * 2002-05-15 2004-05-24 トヨタ自動車株式会社 パティキュレート酸化材及び酸化触媒
JP3797313B2 (ja) * 2002-10-28 2006-07-19 トヨタ自動車株式会社 金属酸化物粒子の製造法及び排ガス浄化用触媒
WO2004096713A1 (en) 2003-04-30 2004-11-11 Magnesium Elektron Ltd. Process for preparing zirconium oxides and zirconium-based mixed oxides
US7238640B2 (en) * 2003-12-30 2007-07-03 Ford Global Technologies, Llc Minimization of purge NOx release from NOx traps by optimizing the oxygen storage capacity
JP4165419B2 (ja) * 2004-03-09 2008-10-15 トヨタ自動車株式会社 金属酸化物粒子及び排ガス浄化触媒の製造方法
FR2867769B1 (fr) * 2004-03-17 2006-05-05 Rhodia Chimie Sa Composition a base d'oxydes de zirconium, de cerium et d'etain, preparation et utilisation comme catalyseur
JP4165443B2 (ja) * 2004-04-27 2008-10-15 トヨタ自動車株式会社 金属酸化物粒子の製造方法、及び排ガス浄化触媒
US7989387B2 (en) * 2004-04-27 2011-08-02 Toyota Jidosha Kabushiki Kaisha Process for producing metal oxide particle and exhaust gas purifying catalyst
US7844510B2 (en) * 2005-04-05 2010-11-30 Oracle International Corporation Method and system for determining absorption costing sequences for items in a business operation
JP2008289971A (ja) * 2007-05-23 2008-12-04 Toyota Motor Corp コアシェル構造体及びその製造方法並びに当該コアシェル構造体を含む排ガス浄化用触媒
US8530372B2 (en) * 2009-07-22 2013-09-10 Basf Corporation Oxygen storage catalyst with decreased ceria reduction temperature
US8580456B2 (en) 2010-01-26 2013-11-12 Bloom Energy Corporation Phase stable doped zirconia electrolyte compositions with low degradation
CN102728395B (zh) * 2011-04-02 2014-05-07 中国科学院大连化学物理研究所 用于富氧气氛中还原氮氧化合物的催化剂及其制备和应用
CN103285850B (zh) * 2013-06-28 2015-04-22 河南省格林沃特净化器股份有限公司 一种雾化燃烧制备镧铈锆复合物方法
CN105983403B (zh) * 2015-02-09 2019-01-01 有研稀土新材料股份有限公司 一种铈锆复合氧化物、其制备方法及催化剂的应用
CN105214652A (zh) * 2015-11-13 2016-01-06 中国科学院重庆绿色智能技术研究院 高效Ce1-xMnxO2-δ固溶体低温脱硝催化剂的制备方法及应用
CN110360562B (zh) * 2019-08-02 2021-02-23 宁波方太厨具有限公司 燃气灶具
US20220184583A1 (en) * 2019-09-04 2022-06-16 Grirem Advanced Materials Co.,Ltd. Rare-earth-manganese/cerium-zirconium-based composite compound, method for preparing same and use thereof
CN116120055B (zh) * 2022-11-25 2024-04-02 北京钢研新冶工程技术中心有限公司 一种复合铈稳定氧化锆陶瓷的制备方法和应用

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU595655B2 (en) * 1986-11-04 1990-04-05 Kabushiki Kaisha Toyota Chuo Kenkyusho Catalyst for the purification of exhaust gas
JPH0644999B2 (ja) * 1988-04-30 1994-06-15 株式会社豊田中央研究所 排気ガス浄化用触媒
CN1083742A (zh) * 1993-07-29 1994-03-16 周红星 双功能多金属氧化物催化剂
CA2178535C (en) * 1995-08-30 1999-08-31 Deere & Company Shredding attachment for rotary cutter
FR2738756B1 (fr) * 1995-09-20 1998-12-11 Rhone Poulenc Chimie Procede de traitement de gaz, a teneur elevee en oxygene en vue de la reduction des emissions des oxydes d'azote, utilisant une composition catalytique comprenant de l'oxyde de manganese et de l'oxyde de cerium et/ou de zirconium
US5837212A (en) * 1995-09-21 1998-11-17 Ford Global Technologies, Inc. Potassium/manganese nitrogen oxide traps for lean-burn engine operation
US6040265A (en) * 1996-02-21 2000-03-21 Asec Manufacturing General Partnership Methods of making highly dispersed substantially uniform cerium and zirconium mixed-metal-oxide composite supports for exhaust conversion catalysts

Also Published As

Publication number Publication date
JP3571292B2 (ja) 2004-09-29
WO1999024153A1 (fr) 1999-05-20
US6358880B1 (en) 2002-03-19
JP2001522713A (ja) 2001-11-20
CN1130247C (zh) 2003-12-10
DE69812687T2 (de) 2003-12-11
DE69812687D1 (de) 2003-04-30
AU1161599A (en) 1999-05-31
MY133890A (en) 2007-11-30
CA2310123C (fr) 2004-10-12
NO20002427L (no) 2000-07-10
FR2770790B1 (fr) 1999-12-10
BR9814858A (pt) 2000-10-03
CA2310123A1 (fr) 1999-05-20
ATE235304T1 (de) 2003-04-15
EP1030732A1 (fr) 2000-08-30
NO20002427D0 (no) 2000-05-10
KR100416357B1 (ko) 2004-01-31
EP1030732B1 (fr) 2003-03-26
KR20010040270A (ko) 2001-05-15
CN1282269A (zh) 2001-01-31
FR2770790A1 (fr) 1999-05-14

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