MX2021008428A - Dispersión acuosa de nano-partículas (np) basada en zirconia para uso en sustratos de filtro de recubrimiento. - Google Patents

Dispersión acuosa de nano-partículas (np) basada en zirconia para uso en sustratos de filtro de recubrimiento.

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Publication number
MX2021008428A
MX2021008428A MX2021008428A MX2021008428A MX2021008428A MX 2021008428 A MX2021008428 A MX 2021008428A MX 2021008428 A MX2021008428 A MX 2021008428A MX 2021008428 A MX2021008428 A MX 2021008428A MX 2021008428 A MX2021008428 A MX 2021008428A
Authority
MX
Mexico
Prior art keywords
dispersion
particles
zirconia
based aqueous
filter substrates
Prior art date
Application number
MX2021008428A
Other languages
English (en)
Inventor
David Alastair Scapens
Deborah Jayne Harris
Original Assignee
Magnesium Elektron Ltd
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 Magnesium Elektron Ltd filed Critical Magnesium Elektron Ltd
Publication of MX2021008428A publication Critical patent/MX2021008428A/es

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    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/889—Manganese, technetium or rhenium
    • B01J23/8892—Manganese
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
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Abstract

Esta invención se refiere a una dispersión acuosa de partículas, la dispersión que tiene un contenido de partículas de 10-70% en peso, y las partículas que comprenden, sobre una base de óxido: (a) 10-98% en peso en total de Zr02 + Hf02, y (b) 2-90% en peso en total de Al203, Ce02, La203, Nd203, Pr60O11 Y203, o un óxido de metal de transición, en donde la dispersión tiene un tamaño de partícula promedio Z de 100-350 nm y las partículas tienen un tamaño de cristalito de 1-9 nm. La invención también se refiere a un sustrato recubierto con la dispersión acuosa de partículas.
MX2021008428A 2019-02-05 2019-12-02 Dispersión acuosa de nano-partículas (np) basada en zirconia para uso en sustratos de filtro de recubrimiento. MX2021008428A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1901560.1A GB201901560D0 (en) 2019-02-05 2019-02-05 Zirconium based dispersion for use in coating filters
PCT/GB2019/053405 WO2020161459A1 (en) 2019-02-05 2019-12-02 Zirconia-based aqueous np-dispersion for use in coating filter substrates

Publications (1)

Publication Number Publication Date
MX2021008428A true MX2021008428A (es) 2021-09-08

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MX2021008428A MX2021008428A (es) 2019-02-05 2019-12-02 Dispersión acuosa de nano-partículas (np) basada en zirconia para uso en sustratos de filtro de recubrimiento.

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Country Link
US (1) US11980869B2 (es)
EP (1) EP3720599A1 (es)
JP (1) JP7128361B2 (es)
KR (1) KR20210115047A (es)
CN (1) CN113348034A (es)
BR (1) BR112021015425A2 (es)
CA (1) CA3125854A1 (es)
GB (1) GB201901560D0 (es)
MX (1) MX2021008428A (es)
WO (1) WO2020161459A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11285467B2 (en) 2019-03-29 2022-03-29 Johnson Matthey Public Limited Company Catalyst article and the use thereof for filtering fine particles
WO2022071926A1 (en) 2020-09-29 2022-04-07 Johnson Matthey Public Limited Company A catalyst article and the use thereof for filtering fine particles

Family Cites Families (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3343396A1 (de) 1983-11-30 1985-06-05 Kraftwerk Union AG, 4330 Mülheim Verfahren zum dekontaminieren metallischer komponenten einer kerntechnischen anlage
US4714694A (en) * 1986-06-30 1987-12-22 Engelhard Corporation Aluminum-stabilized ceria catalyst compositions, and methods of making the same
US5427601A (en) * 1990-11-29 1995-06-27 Ngk Insulators, Ltd. Sintered metal bodies and manufacturing method therefor
US5582785A (en) * 1993-06-21 1996-12-10 Santoku Metal Industry Co., Ltd. Method for preparing composite oxide having oxygen absorbing and desorbing capability
JP3505235B2 (ja) 1994-10-05 2004-03-08 株式会社三徳 酸素吸収・放出能を有する複合酸化物
JP4094689B2 (ja) * 1996-04-05 2008-06-04 阿南化成株式会社 酸素吸収放出能を有する複合酸化物の製造法
US5948723A (en) * 1996-09-04 1999-09-07 Engelhard Corporation Layered catalyst composite
US6248688B1 (en) * 1996-09-27 2001-06-19 Engelhard Corporation Catalyst composition containing oxygen storage components
US5898014A (en) * 1996-09-27 1999-04-27 Engelhard Corporation Catalyst composition containing oxygen storage components
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
GB9805815D0 (en) 1998-03-19 1998-05-13 Johnson Matthey Plc Manufacturing process
JP4029233B2 (ja) * 1998-05-11 2008-01-09 第一稀元素化学工業株式会社 セリウム−ジルコニウム系複合酸化物及びその製造方法ならびに排ガス浄化用触媒材料
US6492297B1 (en) * 2000-09-15 2002-12-10 Engelhard Corporation Catalyst composition for purifying exhaust gas
FR2834978B1 (fr) * 2002-01-21 2004-04-09 Rhodia Elect & Catalysis Materiaux mesostructures integrant des particules cristallines nanometriques comprenant un metal en solution solide au sein de leur reseau cristallin
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
US20060233691A1 (en) * 2005-03-28 2006-10-19 Vanderspurt Thomas H Durable catalyst for processing carbonaceous fuel, and the method of making
US7037875B2 (en) * 2003-04-04 2006-05-02 Engelhard Corporation Catalyst support
DE102004040548A1 (de) 2004-08-21 2006-02-23 Umicore Ag & Co. Kg Verfahren zum Beschichten eines Wandflußfilters mit feinteiligen Feststoffen und damit erhaltenes Partikelfilter und seine Verwendung
JP4696767B2 (ja) 2004-08-30 2011-06-08 株式会社豊田中央研究所 複合金属酸化物多孔体の製造方法
DE102004061697A1 (de) 2004-12-22 2006-07-06 Degussa Ag Dispersion von Zirkondioxid und Zirkon-Mischoxid
FR2882749B1 (fr) 2005-03-01 2007-04-27 Saint Gobain Ct Recherches Bille frittee a base de zircone et d'oxyde de cerium
FR2885308B1 (fr) 2005-05-04 2007-07-06 Eastman Kodak Co Procede pour maintenir l'etat de dispersion d'une solution colloidale de particules d'oxyde metallique
FR2886636B1 (fr) * 2005-06-02 2007-08-03 Inst Francais Du Petrole Materiau inorganique presentant des nanoparticules metalliques piegees dans une matrice mesostructuree
JP4582789B2 (ja) 2005-07-25 2010-11-17 多木化学株式会社 セリア−ジルコニア固溶体ゾル及びその製造方法
US8404611B2 (en) 2005-11-01 2013-03-26 Nissan Motor Co., Ltd. Exhaust gas purifying catalyst and production method thereof
JP2007268470A (ja) 2006-03-31 2007-10-18 Mazda Motor Corp 触媒材の製造方法、触媒材及びそれを用いた排気ガス浄化用触媒
US8883865B2 (en) 2006-09-05 2014-11-11 Cerion Technology, Inc. Cerium-containing nanoparticles
US8455390B2 (en) * 2008-07-04 2013-06-04 Nissan Motor Co., Ltd. Exhaust gas purifying catalyst
US8815189B2 (en) 2010-04-19 2014-08-26 Basf Corporation Gasoline engine emissions treatment systems having particulate filters
EP2635375B1 (en) 2010-11-02 2014-12-24 Haldor Topsøe A/S Method for the preparation of a catalysed particulate filter and catalysed particulate filter
JP5715450B2 (ja) 2011-03-09 2015-05-07 テイカ株式会社 窒素酸化物選択還元触媒とその製造方法
JP2013017992A (ja) * 2011-06-17 2013-01-31 Dowa Electronics Materials Co Ltd 触媒担持型ディーゼルパティキュレートフィルター、およびその製造方法
FR2982519B1 (fr) 2011-11-10 2020-02-21 Arkema France Procede de broyage de polyaryl ether cetones
JP2013203640A (ja) 2012-03-29 2013-10-07 Admatechs Co Ltd 複合酸化物粉末の製造方法
MX2014015610A (es) * 2012-06-15 2016-11-17 Basf Corp Compuestos de oxidos metalicos mixto para depósito de oxígeno.
GB201302686D0 (en) 2013-02-15 2013-04-03 Johnson Matthey Plc Filter comprising three-way catalyst
WO2016036592A1 (en) * 2014-09-05 2016-03-10 Basf Corporation Titania-doped zirconia as platinum group metal support in catalysts for treatment of combustion engine exhausts streams
CN104492418B (zh) 2014-12-30 2017-02-22 四川大学 一种水介质分散铈锆氧化物纳米材料
CN104591275B (zh) 2014-12-30 2016-05-18 四川大学 水介质分散铈锆氧化物纳米材料的合成方法
KR102650311B1 (ko) 2015-11-17 2024-03-25 바스프 코포레이션 배기 가스 처리 촉매
KR101770414B1 (ko) 2016-04-28 2017-09-29 서울대학교병원 세리아-지르코니아 고용체 나노입자와 세리아-지르코니아 나노복합체의 합성 및 이의 패혈증 치료제로서의 응용
JP6568046B2 (ja) * 2016-09-15 2019-08-28 トヨタ自動車株式会社 排ガス浄化触媒とその製造方法
US20190388838A1 (en) * 2017-01-27 2019-12-26 Basf Corporation Catalyst composition comprising colloidal platinum group metal nanoparticles

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