ZA201702372B - High porosity cerium and zirconium containing oxide - Google Patents

High porosity cerium and zirconium containing oxide

Info

Publication number
ZA201702372B
ZA201702372B ZA2017/02372A ZA201702372A ZA201702372B ZA 201702372 B ZA201702372 B ZA 201702372B ZA 2017/02372 A ZA2017/02372 A ZA 2017/02372A ZA 201702372 A ZA201702372 A ZA 201702372A ZA 201702372 B ZA201702372 B ZA 201702372B
Authority
ZA
South Africa
Prior art keywords
cerium
high porosity
containing oxide
zirconium containing
zirconium
Prior art date
Application number
ZA2017/02372A
Other languages
English (en)
Inventor
Dimitrios Psaras
Szu Hwee Ng
Happy
Shaun Pei Xiong Tio
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 ZA201702372B publication Critical patent/ZA201702372B/en

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    • 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
    • B01J23/002—Mixed oxides other than spinels, e.g. perovskite
    • 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
    • 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
    • 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
    • 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
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/63—Platinum group metals with rare earths or actinides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/612—Surface area less than 10 m2/g
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
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    • B01J35/613—10-100 m2/g
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J37/02—Impregnation, coating or precipitation
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    • B01J37/06—Washing
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08—Heat treatment
    • B01J37/082—Decomposition and pyrolysis
    • B01J37/088—Decomposition of a metal salt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • 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
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C01G25/02—Oxides
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    • B01D2255/407—Zr-Ce mixed oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01D2255/92—Dimensions
    • B01D2255/9205—Porosity
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J2523/37—Lanthanides
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    • B01J2523/40—Constitutive chemical elements of heterogeneous catalysts of Group IV (IVA or IVB) of the Periodic Table
    • B01J2523/48—Zirconium
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    • B01J35/651—50-500 nm
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    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
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    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
    • C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
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    • C01P2006/12—Surface area
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    • C01P2006/13—Surface area thermal stability thereof at high temperatures
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    • C01P2006/14—Pore volume

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (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)
ZA2017/02372A 2014-09-05 2017-04-04 High porosity cerium and zirconium containing oxide ZA201702372B (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
ZA201702372B true ZA201702372B (en) 2021-10-27

Family

ID=55440395

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2017/02372A ZA201702372B (en) 2014-09-05 2017-04-04 High porosity cerium and zirconium containing oxide

Country Status (9)

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

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US20230129838A1 (en) * 2020-02-14 2023-04-27 Neo Performance Materials (Singapore) Pte. Ltd. Process for making cerium and zirconium containing compositions using mesitylene and composition made by same
CN115315313B (zh) * 2020-02-21 2024-10-25 新性能材料(新加坡)私人有限公司 含铈和锆的组合物及使用草酸制备它们的方法
WO2021165697A1 (en) * 2020-02-21 2021-08-26 Johnson Matthey Public Limited Company Novel twc catalysts for gasoline engine exhaust gas treatments
EP3927464A1 (en) * 2020-02-27 2021-12-29 Neo Performance Materials (Singapore), PTE. LTD. Compositions containing zirconium and cerium and methods for preparing same using oxalic acid and an alcohol
US20230094402A1 (en) * 2020-03-16 2023-03-30 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
JP2024529561A (ja) 2021-07-30 2024-08-06 ローディア オペレーションズ 酸化アルミニウム及び酸化セリウムの組成物

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CN101797499B (zh) * 2010-03-02 2012-01-11 浙江大学 高比表面的Ce-Zr-La-O复合氧化物材料的制备方法
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
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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
EP2540391A1 (en) * 2011-07-01 2013-01-02 Treibacher Industrie AG Ceria zirconia alumina composition with enhanced thermal stability
FR2977581B1 (fr) 2011-07-04 2013-08-02 Rhodia Operations Composition consistant en un oxyde mixte de cerium et de zirconium a reductibilite elevee, procede de preparation et utilisation dans le domaine de la catalyse
US20130108530A1 (en) * 2011-10-27 2013-05-02 Johnson Matthey Public Limited Company Process for producing ceria-zirconia-alumina composite oxides and applications thereof
CN102527403B (zh) 2011-12-27 2013-11-13 浙江工业大学 一种铈基固溶体催化剂及制备方法
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CN112657487A (zh) 2021-04-16
BR112017004418A2 (pt) 2017-12-05
WO2016037059A1 (en) 2016-03-10
US10864499B2 (en) 2020-12-15
CN107073443B (zh) 2020-12-04
MX2017002950A (es) 2017-12-18
US20170274355A1 (en) 2017-09-28
CN107073443A (zh) 2017-08-18
CN112657487B (zh) 2023-08-01
KR20170076657A (ko) 2017-07-04
EP3188829A4 (en) 2018-10-31
EP4241875A2 (en) 2023-09-13
KR20240049656A (ko) 2024-04-16
EP4241875A3 (en) 2023-11-08

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