BR112018073652A2 - partículas de óxido de cério e método para produção das mesmas - Google Patents

partículas de óxido de cério e método para produção das mesmas

Info

Publication number
BR112018073652A2
BR112018073652A2 BR112018073652-0A BR112018073652A BR112018073652A2 BR 112018073652 A2 BR112018073652 A2 BR 112018073652A2 BR 112018073652 A BR112018073652 A BR 112018073652A BR 112018073652 A2 BR112018073652 A2 BR 112018073652A2
Authority
BR
Brazil
Prior art keywords
oxide particles
cerium oxide
producing
catalyst
exhaust gas
Prior art date
Application number
BR112018073652-0A
Other languages
English (en)
Inventor
Ohtake Naotaka
Ocampo Fabien
Miguel Jorge Coelho 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 BR112018073652A2 publication Critical patent/BR112018073652A2/pt

Links

Classifications

    • 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
    • B01J37/03—Precipitation; Co-precipitation
    • B01J37/031—Precipitation
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/613—10-100 m2/g
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/633—Pore volume less than 0.5 ml/g
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/638—Pore volume more than 1.0 ml/g
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • B01J35/651—50-500 nm
    • 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
    • B01J37/08—Heat treatment
    • 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
    • B01J37/08—Heat treatment
    • B01J37/10—Heat treatment in the presence of water, e.g. steam
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/224—Oxides or hydroxides of lanthanides
    • C01F17/235—Cerium oxides or hydroxides
    • 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
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/91—NOx-storage component incorporated in the catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/92—Dimensions
    • B01D2255/9205—Porosity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/92—Dimensions
    • B01D2255/9207—Specific surface
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/14—Pore volume
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/16—Pore diameter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Catalysts (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Nanotechnology (AREA)

Abstract

a presente invenção se refere a partículas de óxido de cério que têm excelente resistência a calor e/ou volume de poro especialmente útil para catalisadores, cerâmicas funcionais, eletrólitos sólidos para células de combustível, polimento, absorventes de ultravioleta e similares, e particularmente adequados para uso como um catalisador ou material de co-catalisador, por exemplo, em catálise para purificar gás de escape de veículo. a presente invenção também se refere a um método para preparar tais partículas de óxido de cério, e um catalisador, como para purificar gás de escape, que utiliza essas partículas de óxido de cério.
BR112018073652-0A 2016-05-18 2017-05-17 partículas de óxido de cério e método para produção das mesmas BR112018073652A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662338372P 2016-05-18 2016-05-18
US62/338,372 2016-05-18
PCT/EP2017/061897 WO2017198738A1 (en) 2016-05-18 2017-05-17 Cerium oxide particles and method for production thereof

Publications (1)

Publication Number Publication Date
BR112018073652A2 true BR112018073652A2 (pt) 2019-02-19

Family

ID=58765829

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018073652-0A BR112018073652A2 (pt) 2016-05-18 2017-05-17 partículas de óxido de cério e método para produção das mesmas

Country Status (12)

Country Link
US (1) US11426718B2 (pt)
EP (1) EP3458417A1 (pt)
JP (1) JP6932726B2 (pt)
KR (1) KR102340507B1 (pt)
CN (1) CN109476495A (pt)
BR (1) BR112018073652A2 (pt)
CA (1) CA3024282A1 (pt)
MX (1) MX2018014076A (pt)
MY (1) MY192732A (pt)
RU (1) RU2746315C2 (pt)
WO (1) WO2017198738A1 (pt)
ZA (1) ZA201807743B (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10639621B2 (en) * 2018-03-05 2020-05-05 Qatar University Nanoporous cerium oxide with interconnected pores for catalysis and a cost-effective method of preparing thereof
EP3902771A1 (en) * 2018-12-28 2021-11-03 Rhodia Operations Cerium oxide particles and method for production thereof
US20220118427A1 (en) 2018-12-28 2022-04-21 Rhodia Operations Use of cerium oxide for the preparation of a lean nox trap catalytic composition and a method of treatment of an exhaust gas using the composition
CN110918081A (zh) * 2019-12-04 2020-03-27 吉林省电力科学研究院有限公司 一种等离子体氧化铈催化剂及其制备方法
CN111017980A (zh) * 2019-12-26 2020-04-17 宣城晶瑞新材料有限公司 一种高纯纳米氧化镧材料的制备方法
CN116873967A (zh) * 2020-08-19 2023-10-13 包头天骄清美稀土抛光粉有限公司 Cmp用铈钇研磨材料的制备方法
US20220099008A1 (en) * 2020-09-30 2022-03-31 Johnson Matthey Public Limited Company Catalysts for gasoline engine exhaust gas treatments
KR102659037B1 (ko) 2020-11-24 2024-04-22 라이너스 레어 얼스 리미티드 도핑된 산화세륨을 생성하기 위한 물질, 방법 및 기술

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4356106A (en) 1980-05-09 1982-10-26 United Kingdom Atomic Energy Authority Cerium compounds
FR2570087B1 (fr) 1984-09-13 1986-11-21 Rhone Poulenc Spec Chim Procede d'oxydation electrolytique et ensemble d'electrolyse pour sa mise en oeuvre
US6133194A (en) * 1997-04-21 2000-10-17 Rhodia Rare Earths Inc. Cerium oxides, zirconium oxides, Ce/Zr mixed oxides and Ce/Zr solid solutions having improved thermal stability and oxygen storage capacity
AU6876098A (en) 1997-04-04 1998-10-30 Rhoda Inc Cerium oxides, zirconium oxides, ce/zr mixed oxides and ce/zr solid solutions having improved thermal stability and oxygen storage capacity
US6615499B1 (en) * 1999-05-28 2003-09-09 Hitachi Chemical Co., Ltd. Method for producing cerium oxide, cerium oxide abrasive, method for polishing substrate using the same and method for manufacturing semiconductor device
CA2459496C (en) * 2001-09-07 2011-11-22 Anan Kasei Co., Ltd. Ceric oxide, method for preparation thereof, and catalyst for purifying exhaust gas
US7431758B2 (en) 2002-10-28 2008-10-07 Nissan Chemical Industries, Ltd. Cerium oxide particles and production method therefor
FR2875149B1 (fr) * 2004-09-15 2006-12-15 Rhodia Chimie Sa Procede de fabrication d'un filtre a particules catalyse et filtre ainsi obtenu
FR2898887B1 (fr) * 2006-03-21 2008-05-02 Rhodia Recherches & Tech Composition a base d'oxyde de zirconium et d'oxyde de cerium a reductibilite elevee et a surface specifique stable procede de preparation et utilisation dans le traitement des gaz d'echappement
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
FR2948116B1 (fr) * 2009-07-17 2012-05-04 Rhodia Operations Composition a base d'oxyde de cerium et d'oxyde de zirconium de porosite specifique, procede de preparation et utilisation en catalyse
PL2505263T3 (pl) * 2009-11-25 2020-06-29 Solvay Special Chem Japan, Ltd. Tlenek złożony, sposób jego wytwarzania i katalizator do oczyszczania spalin
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.
FR2976574B1 (fr) * 2011-06-17 2013-05-31 Rhodia Operations Composition a base d'oxydes de cerium, de zirconium et d'une autre terre rare a reductibilite elevee, procede de preparation et utilisation dans le domaine de la catalyse.
EP3020689A1 (en) 2014-11-12 2016-05-18 Rhodia Operations Cerium oxide particles and method for production thereof

Also Published As

Publication number Publication date
MX2018014076A (es) 2019-09-02
JP6932726B2 (ja) 2021-09-08
RU2018144616A3 (pt) 2020-08-10
CN109476495A (zh) 2019-03-15
KR102340507B1 (ko) 2021-12-21
JP2019521060A (ja) 2019-07-25
WO2017198738A1 (en) 2017-11-23
US20190202710A1 (en) 2019-07-04
RU2018144616A (ru) 2020-06-18
US11426718B2 (en) 2022-08-30
EP3458417A1 (en) 2019-03-27
KR20190009325A (ko) 2019-01-28
MY192732A (en) 2022-09-05
ZA201807743B (en) 2020-07-29
RU2746315C2 (ru) 2021-04-12
CA3024282A1 (en) 2017-11-23

Similar Documents

Publication Publication Date Title
BR112018073652A2 (pt) partículas de óxido de cério e método para produção das mesmas
MX2023009115A (es) Particulas de oxido de cerio y metodo para la produccion de las mismas.
BR112018012211A2 (pt) ?artigo de catalisador, sistema de tratamento de gás de escape, e, métodos de tratamento de uma corrente de gás de escape e para preparação de um artigo de catalisador de trimetal?
MX2017009911A (es) Catalizadores con contenido de rodio para tratamiento de emisiones de automoviles.
MX2009004622A (es) Cuerpos porosos con forma de alfa-alumina y metodos para la preparacion de los mismos.
BR112016001927A2 (pt) catalisador de oxidação para tratar um gás de escape de um motor a diesel, sistema de escape, veículo, método de produção de um catalisador de oxidação, e, uso de um catalisador de oxidação
WO2014072887A8 (en) Process for producing a carbon-supported nickel-cobalt-oxide catalyst and its use in rechargeable electrochemical metal-oxygen cells
EA201200399A1 (ru) Катализаторы фишера-тропша
BR112015026960A8 (pt) métodos para a produção de intermediários reativos a partir de biomassa e para o fracionamento combinado e conversão catalítica de biomassa, e, composição
MX2013007022A (es) Zeolita tipo-chabazita y método para producir la misma, zeolita de bajo contenido de silice cargada con cobre y catalizador para eliminar nox reductivo que contiene la zeolita y método para eliminar nox reductivo usando este catalizador.
BR112014006900A2 (pt) catalisador e compósito de catalisador de oxidação de diesel em camadas, uso e processo para preparação do mesmo e sistema para tratar uma corrente de escape gasoso de um motor a diesel
WO2008027270A3 (en) Layered silicate modified cordierite and method
MX2015008006A (es) Soporte para catalizadores de microesferas huecas y metodos para elaborarlo.
MX356729B (es) Soporte de catalizador y catalizadores preparados a partir del mismo.
BR112012028302A2 (pt) "artigo catalítico, métodos para fazer um filtro de fuligem catalisado e para tratar um fluxo de gás de escape de um motor diesel, e, sistema de tratamento de gás de escape".
BR112015009774A2 (pt) polipeptídeos citocromo p450 e citocromo p450 redutase, codificando moléculas de ácido nucléicos e usos das mesmas
BR112012017163A2 (pt) cerâmicas celulares de fosfato e métodos para fabricação e uso.
BR112018000519A2 (pt) processo para preparar um composto, e, uso de um catalisador poroso sólido
BR112019006361A2 (pt) composição, métodos para sintetizar um zeólito e para tratar um gás de escape, composição de catalisador, e, artigo catalisador
BR112012023536A2 (pt) composições catalisadoras de fcc de olefinas altamente leves
BR112018009112A2 (pt) composição de catalisador de oxidação de diesel, artigo de catalisador, método para tratar uma corrente de escape, e, sistema para tratamento de emissão.
BR112014030468A2 (pt) catalisador, processo para preparar um catalisador, método para melhorar frações de óleo pesado num poço e fração de óleo pesado melhorada
WO2014023758A3 (en) Selective catalytic deoxygenation of biomass and catalysts therefor
EP3409646A4 (en) CEROXIDE-ZIRCONOXIDE-BASED COMPOSITOXIDE-OXYGEN MEMORY MATERIAL, EMISSION CONTROL CATALYST AND WASTE STRUCTURE FOR EMISSION CONTROL
SG162664A1 (en) Ammonia oxidation catalysts

Legal Events

Date Code Title Description
B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]