BR112018071979A2 - óxidos misturados à base de cério e zircônio - Google Patents

óxidos misturados à base de cério e zircônio

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Publication number
BR112018071979A2
BR112018071979A2 BR112018071979-0A BR112018071979A BR112018071979A2 BR 112018071979 A2 BR112018071979 A2 BR 112018071979A2 BR 112018071979 A BR112018071979 A BR 112018071979A BR 112018071979 A2 BR112018071979 A2 BR 112018071979A2
Authority
BR
Brazil
Prior art keywords
cerium
mixed
zirconium oxides
zirconium
mixed cerium
Prior art date
Application number
BR112018071979-0A
Other languages
English (en)
Inventor
Ifrah Simon
Li Wei
Buissette Valérie
Denaire Stéphane
Marques Rui
Original Assignee
Rhodia Operations
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 Operations filed Critical Rhodia Operations
Publication of BR112018071979A2 publication Critical patent/BR112018071979A2/pt

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    • 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
    • B01J23/002—Mixed oxides other than spinels, e.g. perovskite
    • 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
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    • 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
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    • 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
    • B01J21/066—Zirconium or hafnium; Oxides or hydroxides thereof
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    • 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
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Nanotechnology (AREA)

Abstract

é revelada uma composição que compreende pelo menos um óxido misturado à base de cério e zircônio que compreende zircônio, cério, lantânio e opcionalmente pelo menos uma terra-rara além de cério e lantânio; em que o dito óxido misturado exibe uma alta resistência térmica e é, em particular, capaz de manter uma grande área de superfície específica até mesmo em um ambiente com alta temperatura. também é revelado um processo para a síntese de tais composições.
BR112018071979-0A 2016-04-26 2016-04-26 óxidos misturados à base de cério e zircônio BR112018071979A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/080194 WO2017185224A1 (en) 2016-04-26 2016-04-26 Cerium-and zirconium-based mixed oxides

Publications (1)

Publication Number Publication Date
BR112018071979A2 true BR112018071979A2 (pt) 2019-02-12

Family

ID=60161754

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Application Number Title Priority Date Filing Date
BR112018071979-0A BR112018071979A2 (pt) 2016-04-26 2016-04-26 óxidos misturados à base de cério e zircônio

Country Status (11)

Country Link
US (1) US20190134608A1 (pt)
EP (1) EP3448557A4 (pt)
JP (1) JP6797935B2 (pt)
KR (1) KR102580600B1 (pt)
CN (1) CN109963648B (pt)
BR (1) BR112018071979A2 (pt)
CA (1) CA3021146C (pt)
MX (1) MX2018013012A (pt)
RU (1) RU2707888C1 (pt)
WO (1) WO2017185224A1 (pt)
ZA (1) ZA201806724B (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201518996D0 (en) 2015-10-27 2015-12-09 Magnesium Elektron Ltd Zirconia-based compositions for use as three-way catalysts
CN118079894A (zh) * 2017-05-11 2024-05-28 罗地亚经营管理公司 具有增强的耐受性和nox储存容量的混合氧化物
CN111447997B (zh) * 2018-01-08 2023-08-01 太平洋工业发展公司 制造用于废气处理的介孔储氧材料的方法、所述储氧材料及其用途
WO2020061723A1 (en) * 2018-09-24 2020-04-02 Rhodia Operations Mixed oxide with improved reducibility
CN113260595B (zh) * 2019-01-04 2024-04-16 太平洋工业发展公司 纳米晶体级的铈-锆氧化物材料及其制备方法
MX2021010452A (es) 2019-03-03 2021-09-21 Rhodia Operations Oxido mixto con volumen de poro elevado.
WO2021012107A1 (en) * 2019-07-19 2021-01-28 Rhodia Operations Mixed oxide based on cerium and zirconium
WO2021063900A1 (en) 2019-10-01 2021-04-08 Rhodia Operations Suspension of nanoparticles of a mixed oxide
US20220099008A1 (en) * 2020-09-30 2022-03-31 Johnson Matthey Public Limited Company Catalysts for gasoline engine exhaust gas treatments
RU2760814C1 (ru) * 2020-12-16 2021-11-30 федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" Национального исследовательского центра "Курчатовский институт" Керамический огнеупорный материал, тигель и способ изготовления тигля
EP4052787A1 (en) * 2021-03-02 2022-09-07 Johnson Matthey Public Limited Company Nox storage material
JP2022143972A (ja) * 2021-03-18 2022-10-03 堺化学工業株式会社 ジルコニウム元素含有金属酸化物分散液の製造方法及びジルコニウム元素含有金属酸化物分散液
RU2766540C1 (ru) * 2021-05-27 2022-03-15 Евгений Олегович Бакшеев Способ производства оксидных композиций церия-циркония и редкоземельных элементов
JP7057467B1 (ja) * 2021-07-28 2022-04-19 第一稀元素化学工業株式会社 ジルコニウム複合酸化物、及び、ジルコニウム複合酸化物の製造方法
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 (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4053623B2 (ja) * 1996-12-27 2008-02-27 阿南化成株式会社 ジルコニウム−セリウム系複合酸化物及びその製造方法
EP1316354A1 (de) * 2001-11-30 2003-06-04 OMG AG & Co. KG Katalysator zur Verminderung der Stickoxide im Abgas von Magermotoren
FR2841547B1 (fr) * 2002-06-26 2005-05-06 Rhodia Elect & Catalysis Composition a base d'oxyde de zirconium et d'oxydes de cerium, de lanthane et d'une autre terre rare, son procede de preparation et son utilisation comme catalyseur
FR2852592B1 (fr) * 2003-03-18 2007-02-23 Rhodia Elect & Catalysis Compositions a base d'un oxyde de cerium, d'un oxyde de zirconium et, eventuellement d'un oxyde d'une autre terre rare, a surface specifique elevee a 1100 c, leur procede de preparation et leur utilisation comme catalyseur
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
JP4789794B2 (ja) * 2005-12-28 2011-10-12 第一稀元素化学工業株式会社 セリウム・ジルコニウム複合酸化物及びその製造方法
FR2897609B1 (fr) * 2006-02-17 2009-01-16 Rhodia Recherches & Tech Composition a base d'oxydes de zirconium, de cerium, d'yttrium, de lanthane et d'une autre terre rare, procede de preparation et utilisation en catalyse
RU2398629C2 (ru) * 2006-02-17 2010-09-10 Родиа Операсьон Композиция на основе оксидов циркония, церия, иттрия, лантана и другого редкоземельного элемента, способ получения и применение в катализе
WO2007131901A1 (fr) * 2006-05-15 2007-11-22 Rhodia Operations Composition a base d'oxydes de zirconium, de cerium, de lanthane et d'yttrium, de gadolinium ou de samarium, a surface specifique et reductibilite elevees, procede de preparation et utilisation comme catalyseur
FR2900920B1 (fr) * 2006-05-15 2008-07-11 Rhodia Recherches & Tech Composition a base d'oxides de zirconium, de cerium, de lanthane et d'yttrium, de gadolinium ou de samarium, a surface specifique stable, procede de preparation et utilisation comme catalyseur
JP5100244B2 (ja) * 2006-10-12 2012-12-19 第一稀元素化学工業株式会社 ジルコニア・セリア・イットリア系複合酸化物及びその製造方法
JP4853291B2 (ja) * 2007-01-10 2012-01-11 日産自動車株式会社 排気ガス浄化触媒及びその製造方法
FR2917646B1 (fr) * 2007-06-20 2011-06-03 Anan Kasei Co Ltd Oxyde mixte a haute surface specifique de cerium et d'autre terre rare, procede de preparation et utilisation en catalyse
KR101588484B1 (ko) * 2008-08-27 2016-01-25 유미코어 쇼쿠바이 재팬 컴퍼니 리미티드 배기가스 정화용 촉매 및 이것을 이용한 배기가스 정화방법
CN101607195A (zh) * 2009-07-14 2009-12-23 顾冬萍 氧化铈锆基固溶体催化剂、制备方法及其应用
JP2011121851A (ja) * 2009-12-10 2011-06-23 Daiichi Kigensokagaku Kogyo Co Ltd セリウム−ジルコニウム系複合酸化物及びその製造方法
FR2959735B1 (fr) * 2010-05-06 2012-06-22 Rhodia Operations Composition a base d'oxydes de zirconium, de cerium d'au moins une autre terre rare, a porosite specifique, procede de preparation et utilisation en catalyse.
FR2962431B1 (fr) * 2010-07-07 2018-01-19 Rhodia Operations Composition a base d'oxydes de cerium, de niobium et, eventuellement, de zirconium et son utilisation en catlyse.
FR2967993B1 (fr) * 2010-11-30 2018-04-06 Rhodia Operations Composition a base d'oxyde de zirconium et d'au moins un oxyde d'une terre rare autre que le cerium, a porosite specifique, ses procedes de preparation et son utilisation en catalyse
CN102247826B (zh) * 2011-05-27 2013-04-03 济南大学 一种高比表面积的立方相铈锆基复合氧化物及其制备方法
IN2014DN00080A (pt) * 2011-07-14 2015-05-15 Treibacher Ind Ag
DE102011107702A1 (de) * 2011-07-14 2013-01-17 Sasol Germany Gmbh Verfahren zur Herstellung von Kompositen aus Aluminiumoxid und Cer-/Zirkonium-Mischoxiden
MX2014015610A (es) * 2012-06-15 2016-11-17 Basf Corp Compuestos de oxidos metalicos mixto para depósito de oxígeno.
WO2014121813A1 (en) * 2013-02-05 2014-08-14 Rhodia Operations Precipitated and calcinated composition based on zirconium oxide and cerium oxide
CN103191712B (zh) * 2013-04-03 2014-12-31 潮州三环（集团）股份有限公司 一种具有良好抗老化性能、高还原活性的氧化铈氧化锆基复合稀土氧化物及其制备方法

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