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MX2018013012A - Oxidos mezclados a base de cerio y circonio. - Google Patents

Oxidos mezclados a base de cerio y circonio.

Info

Publication number
MX2018013012A
MX2018013012A MX2018013012A MX2018013012A MX2018013012A MX 2018013012 A MX2018013012 A MX 2018013012A MX 2018013012 A MX2018013012 A MX 2018013012A MX 2018013012 A MX2018013012 A MX 2018013012A MX 2018013012 A MX2018013012 A MX 2018013012A
Authority
MX
Mexico
Prior art keywords
circony
cerio
cerium
mixed oxides
oxides based
Prior art date
Application number
MX2018013012A
Other languages
English (en)
Inventor
Buissette Valérie
Li Wei
Ifrah Simon
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 MX2018013012A publication Critical patent/MX2018013012A/es

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    • B01J23/002—Mixed oxides other than spinels, e.g. perovskite
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    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
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Abstract

La presente invención se refiere a una composición que comprende al menos un oxido mixto basado en cerio y circonio que comprende circonio, cerio, lantano y opcionalmente al menos una tierra rara distinta del cerio y el lantano; presentando dicho oxido mixto una elevada resistencia térmica y capaz, en particular, de mantener una gran área superficial especifica incluso en uso en un entorno a temperatura elevada. La invención también se refiere a un proceso para la síntesis de dichas composiciones.
MX2018013012A 2016-04-26 2016-04-26 Oxidos mezclados a base de cerio y circonio. MX2018013012A (es)

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
MX2018013012A true MX2018013012A (es) 2019-01-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
MX2018013012A MX2018013012A (es) 2016-04-26 2016-04-26 Oxidos mezclados a base de cerio y circonio.

Country Status (12)

Country Link
US (1) US20190134608A1 (es)
EP (1) EP3448557A4 (es)
JP (1) JP6797935B2 (es)
KR (1) KR102580600B1 (es)
CN (1) CN109963648B (es)
BR (1) BR112018071979A2 (es)
CA (1) CA3021146C (es)
MX (1) MX2018013012A (es)
MY (1) MY198934A (es)
RU (1) RU2707888C1 (es)
WO (1) WO2017185224A1 (es)
ZA (1) ZA201806724B (es)

Families Citing this family (22)

* 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
US11433376B2 (en) * 2017-05-11 2022-09-06 Rhodia Operations Mixed oxide with enhanced resistance and NOx storage capacity
US11635009B2 (en) 2018-01-08 2023-04-25 Pacific Industrial Development Corporation Method of making mesoporous oxygen storage materials for exhaust gas treatment; said oxygen storage materials and their use
WO2020061723A1 (en) * 2018-09-24 2020-04-02 Rhodia Operations Mixed oxide with improved reducibility
KR20210111251A (ko) * 2019-01-04 2021-09-10 패서픽 인더스트리얼 디벨럽먼트 코퍼레이션 나노결정 크기의 세륨-지르코늄 산화물 재료 및 이를 제조하는 방법
EP3935015A1 (en) 2019-03-03 2022-01-12 Rhodia Operations Mixed oxide with high pore volume
WO2021012107A1 (en) * 2019-07-19 2021-01-28 Rhodia Operations Mixed oxide based on cerium and zirconium
US20220401921A1 (en) * 2019-10-01 2022-12-22 Rhodia Operations Suspension of nanoparticles of a mixed oxide
JP7785022B2 (ja) * 2020-05-28 2025-12-12 ローディア オペレーションズ アルミニウムとジルコニウムとに基づく混合酸化物
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
JP7786040B2 (ja) * 2021-03-18 2025-12-16 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
CN116621577B (zh) * 2022-02-14 2025-11-14 有研稀土高技术有限公司 一种晶界和表面掺杂的稀土锆基陶瓷材料及其制备方法和应用
CN116618037B (zh) * 2022-02-14 2025-11-14 有研稀土新材料股份有限公司 一种晶界和表面掺杂的铈锆复合氧化物及其制备方法和应用
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
CN119662130A (zh) * 2023-09-19 2025-03-21 雄安稀土功能材料创新中心有限公司 一种氧化铈基抛光粉及制备方法、抛光液及应用
JP7522906B1 (ja) * 2023-12-06 2024-07-25 第一稀元素化学工業株式会社 酸化セリウム安定化ジルコニウム組成物
CN117753402A (zh) * 2023-12-15 2024-03-26 江阴加华新材料资源有限公司 一种高比表面积抗老化CeZr前驱体的制备方法
WO2025221999A1 (en) * 2024-04-18 2025-10-23 Basf Corporation Process for preparing metal and mixed metal oxide catalysts

Family Cites Families (32)

* 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
JP3595874B2 (ja) * 1999-03-05 2004-12-02 第一稀元素化学工業株式会社 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
US20030186805A1 (en) * 2002-03-28 2003-10-02 Vanderspurt Thomas Henry Ceria-based mixed-metal oxide structure, including method of making and use
US7871957B2 (en) * 2002-03-28 2011-01-18 Utc Power Corporation Catalyst support of mixed cerium zirconium titanium oxide, including use and method of making
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
CA2642237C (fr) * 2006-02-17 2016-08-23 Rhodia Operations 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
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
KR100993706B1 (ko) 2006-05-15 2010-11-10 로디아 오퍼레이션스 지르코늄, 세륨 및 란타늄의 산화물 및 이트륨, 가돌리늄 또는 사마륨의 산화물 기재 고 비표면 및 환원성 조성물, 그의 제조 방법 및 촉매로서의 용도
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
EP2177258B1 (en) * 2008-10-17 2016-04-20 Mazda Motor Corporation Exhaust gas purification catalyst
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
JP5547539B2 (ja) * 2010-04-13 2014-07-16 株式会社豊田中央研究所 セリア−ジルコニア系複合酸化物及びその製造方法、並びにそのセリア−ジルコニア系複合酸化物を用いた排ガス浄化用触媒
CN102844112B (zh) * 2010-04-20 2015-05-13 尤米科尔股份公司及两合公司 用于在废气中选择性催化还原氮氧化物的新的混合氧化物
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
DE102011107702A1 (de) * 2011-07-14 2013-01-17 Sasol Germany Gmbh Verfahren zur Herstellung von Kompositen aus Aluminiumoxid und Cer-/Zirkonium-Mischoxiden
CN106944031A (zh) * 2011-07-14 2017-07-14 特莱巴赫工业有限公司 具有增强的热稳定性的氧化铈氧化锆氧化铝组合物
WO2013188664A1 (en) * 2012-06-15 2013-12-19 Basf Corporation Composites of mixed metal oxides for oxygen storage
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
US10864499B2 (en) * 2014-09-05 2020-12-15 Neo Performance Materials (Singapore), PTE. LTD. High porosity cerium and zirconium containing oxide

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