BR112017004418A2 - óxido que contém zircônio e cério de elevada porosidade - Google Patents

óxido que contém zircônio e cério de elevada porosidade

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Publication number
BR112017004418A2
BR112017004418A2 BR112017004418A BR112017004418A BR112017004418A2 BR 112017004418 A2 BR112017004418 A2 BR 112017004418A2 BR 112017004418 A BR112017004418 A BR 112017004418A BR 112017004418 A BR112017004418 A BR 112017004418A BR 112017004418 A2 BR112017004418 A2 BR 112017004418A2
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BR
Brazil
Prior art keywords
oxide
cerium oxide
zirconium
high porosity
cerium
Prior art date
Application number
BR112017004418A
Other languages
English (en)
Other versions
BR112017004418B1 (pt
Inventor
Psaras Dimitrios
Happy
Pei Xiong Tio Shaun
Hwee Ng Szu
Original Assignee
Neo Performance Mat Singapore Pte 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 Neo Performance Mat Singapore Pte Ltd filed Critical Neo Performance Mat Singapore Pte Ltd
Publication of BR112017004418A2 publication Critical patent/BR112017004418A2/pt
Publication of BR112017004418B1 publication Critical patent/BR112017004418B1/pt

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    • 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
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    • 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
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
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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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    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
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    • B01J35/613—10-100 m2/g
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    • B01J35/635—0.5-1.0 ml/g
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  • Chemical & Material Sciences (AREA)
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  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

a presente descrição refere-se, de modo geral, a uma com-posição de óxido composta basicamente de cério e zircônio que tem uma porosidade, área de superfície e mobilidade de oxigênio em rede excepcionais e estáveis. a composição de óxido pode conter um ou mais de outros óxidos de terras raras que não óxido de cério. por exemplo, algumas composições podem conter um ou mais de óxido de lantânio, óxido de ítrio e óxido de neodímio. a composição de óxido pode ser útil como um catalisador, suporte de catalisador, aplicações de sensor e combinações dos mesmos.
BR112017004418-8A 2014-09-05 2015-09-04 Composição compreendendo óxido que contém zircônio e cério de elevada porosidade BR112017004418B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462046491P 2014-09-05 2014-09-05
US62/046,491 2014-09-05
PCT/US2015/048546 WO2016037059A1 (en) 2014-09-05 2015-09-04 High porosity cerium and zirconium containing oxide

Publications (2)

Publication Number Publication Date
BR112017004418A2 true BR112017004418A2 (pt) 2017-12-05
BR112017004418B1 BR112017004418B1 (pt) 2022-04-19

Family

ID=55440395

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017004418-8A BR112017004418B1 (pt) 2014-09-05 2015-09-04 Composição compreendendo óxido que contém zircônio e cério de elevada porosidade

Country Status (9)

Country Link
US (1) US10864499B2 (pt)
EP (2) EP3188829A4 (pt)
JP (1) JP6698632B2 (pt)
KR (2) KR20240049656A (pt)
CN (2) CN107073443B (pt)
BR (1) BR112017004418B1 (pt)
MX (1) MX2017002950A (pt)
WO (1) WO2016037059A1 (pt)
ZA (1) ZA201702372B (pt)

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EP3934805A1 (en) * 2020-03-16 2022-01-12 Neo Performance Materials (Singapore), PTE. LTD. Compositions containing zirconium and cerium and methods for preparing same using oxalic acid and supercritical drying
CN112717927B (zh) * 2021-04-01 2021-07-30 山东国瓷功能材料股份有限公司 汽车尾气处理催化剂的制备方法和应用
KR20240014060A (ko) 2021-05-28 2024-01-31 로디아 오퍼레이션스 특정 다공성 프로파일을 갖는 산화알루미늄과 산화세륨의 조성물
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
CN118055806A (zh) 2021-07-30 2024-05-17 罗地亚经营管理公司 氧化铝和氧化铈的组合物

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EP4241875A2 (en) 2023-09-13
CN112657487A (zh) 2021-04-16
BR112017004418B1 (pt) 2022-04-19
US20170274355A1 (en) 2017-09-28
JP2017532278A (ja) 2017-11-02
JP6698632B2 (ja) 2020-05-27
EP4241875A3 (en) 2023-11-08
KR20240049656A (ko) 2024-04-16
WO2016037059A1 (en) 2016-03-10
EP3188829A1 (en) 2017-07-12
MX2017002950A (es) 2017-12-18
CN107073443A (zh) 2017-08-18
US10864499B2 (en) 2020-12-15
CN112657487B (zh) 2023-08-01
ZA201702372B (en) 2021-10-27
CN107073443B (zh) 2020-12-04
KR20170076657A (ko) 2017-07-04

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