BR112016002469A2 - óxido compósito à base de céria e zircônia e método para produzir o mesmo, e catalisador de purificação de gás de escape que inclui óxido compósito à base de céria e zircônia - Google Patents

óxido compósito à base de céria e zircônia e método para produzir o mesmo, e catalisador de purificação de gás de escape que inclui óxido compósito à base de céria e zircônia

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Publication number
BR112016002469A2
BR112016002469A2 BR112016002469A BR112016002469A BR112016002469A2 BR 112016002469 A2 BR112016002469 A2 BR 112016002469A2 BR 112016002469 A BR112016002469 A BR 112016002469A BR 112016002469 A BR112016002469 A BR 112016002469A BR 112016002469 A2 BR112016002469 A2 BR 112016002469A2
Authority
BR
Brazil
Prior art keywords
zirconia
composite oxide
ceria
based composite
producing
Prior art date
Application number
BR112016002469A
Other languages
English (en)
Other versions
BR112016002469B1 (pt
Inventor
Suda Akihiko
Morikawa Akira
Chiba Akiya
Suzuki Hiromasa
Chinzei Isao
Konishi Kae
Iizuka Kosuke
Miura Masahide
Tanabe Toshitaka
Original Assignee
Cataler Corp
Toyota Motor Co 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
Priority to JP2013-166336 priority Critical
Priority to JP2013166336A priority patent/JP5763722B2/ja
Application filed by Cataler Corp, Toyota Motor Co Ltd filed Critical Cataler Corp
Priority to PCT/IB2014/001462 priority patent/WO2015019156A1/en
Publication of BR112016002469A2 publication Critical patent/BR112016002469A2/pt
Publication of BR112016002469B1 publication Critical patent/BR112016002469B1/pt

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
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Abstract

a presente invenção refere-se a um óxido compósito à base de céria e zircônia que contém um óxido compósito de céria e zircônia, no qual partículas primárias que têm um diâmetro de partícula de 1,5 a 4,5 µm contabilizam, em uma base de número de partícula, pelo menos 50% de todas as partículas primárias no óxido compósito à base de céria e zircônia, e a razão molar de cério para zircônio ([cério]: [zircônio]) no óxido compósito à base de céria e zircônia está entre 43:57 e 55:45.
BR112016002469-9A 2013-08-09 2014-08-05 óxido compósito à base de céria e zircônia e método para produzir o mesmo, e catalisador de purificação de gás de escape que inclui óxido compósito à base de céria e zircônia BR112016002469B1 (pt)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2013-166336 2013-08-09
JP2013166336A JP5763722B2 (ja) 2013-08-09 2013-08-09 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
PCT/IB2014/001462 WO2015019156A1 (en) 2013-08-09 2014-08-05 Ceria-zirconia-based composite oxide and method for producing same, and exhaust gas purification catalyst including ceria-zirconia-based composite oxide

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BR112016002469A2 true BR112016002469A2 (pt) 2017-08-01
BR112016002469B1 BR112016002469B1 (pt) 2021-01-05

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US (2) US10065179B2 (pt)
JP (1) JP5763722B2 (pt)
CN (1) CN105451878B (pt)
BR (1) BR112016002469B1 (pt)
DE (1) DE112014003672T8 (pt)
WO (1) WO2015019156A1 (pt)

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JP5763722B2 (ja) 2013-08-09 2015-08-12 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
JP5883425B2 (ja) * 2013-10-04 2016-03-15 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
JP6133835B2 (ja) * 2014-12-12 2017-05-24 トヨタ自動車株式会社 排ガス浄化触媒
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