RU2015121059A - Материал сложного оксида и катализатор очистки выхлопных газов с его использованием - Google Patents

Материал сложного оксида и катализатор очистки выхлопных газов с его использованием Download PDF

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RU2015121059A
RU2015121059A RU2015121059A RU2015121059A RU2015121059A RU 2015121059 A RU2015121059 A RU 2015121059A RU 2015121059 A RU2015121059 A RU 2015121059A RU 2015121059 A RU2015121059 A RU 2015121059A RU 2015121059 A RU2015121059 A RU 2015121059A
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complex oxide
exhaust gas
oxide material
catalyst
composite oxide
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RU2015121059A
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Масахиде МИУРА
Акира МОРИКАВА
Тоситака ТАНАБЕ
Наоки КУМАТАНИ
Кае КОНИСИ
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Тойота Дзидося Кабусики Кайся
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    • 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
    • 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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    • 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
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    • 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
    • B01J35/19—Catalysts containing parts with different compositions
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • 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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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
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    • B01D—SEPARATION
    • B01D2255/00—Catalysts
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    • B01D2255/908—O2-storage component incorporated in the catalyst
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    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0027—Powdering
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    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Claims (7)

1. Материал сложного оксида, включающий
зерна кристаллитовцерий-циркониевого сложного оксида с пирохлорной структурой и
кристаллы лантан-циркониевого сложного оксида с пирохлорной структурой, находящиеся на поверхности указанного зерна, в котором
кристаллы лантан-циркониевого сложного оксида являются твердорастворенными в, по меньшей мере, части указанной поверхности зерна кристаллита церий-циркониевого сложного оксида.
2. Материал сложного оксида по п. 1, в котором соотношение по массе церий-циркониевого сложного оксида к лантан-циркониевому сложному оксиду находится в диапазоне от 1:1 до 9:1.
3. Материал, накапливающий кислород, для катализаторов очистки выхлопных газов, состоящий из материала сложного оксида по п. 1 или 2.
4. Катализатор очистки выхлопных газов, включающий материал сложного оксида по п. 1 или 2.
RU2015121059A 2012-12-07 2013-11-14 Материал сложного оксида и катализатор очистки выхлопных газов с его использованием RU2015121059A (ru)

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JP2012-268559 2012-12-07
JP2012268559A JP5815496B2 (ja) 2012-12-07 2012-12-07 複合酸化物材料およびそれを用いた排ガス浄化触媒
PCT/JP2013/080769 WO2014087822A1 (ja) 2012-12-07 2013-11-14 複合酸化物材料およびそれを用いた排ガス浄化触媒

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US (1) US20150273437A1 (ru)
EP (1) EP2930149B1 (ru)
JP (1) JP5815496B2 (ru)
CN (1) CN104822630B (ru)
RU (1) RU2015121059A (ru)
WO (1) WO2014087822A1 (ru)

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WO2015145788A1 (ja) * 2014-03-25 2015-10-01 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
JP6147215B2 (ja) * 2014-03-25 2017-06-14 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
JP2015182932A (ja) * 2014-03-25 2015-10-22 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
WO2016143722A1 (en) * 2015-03-12 2016-09-15 Toyota Jidosha Kabushiki Kaisha Core-shell support, method for producing the same, catalyst for purification of exhaust gas using the core- shell support, method for producing the same, and method for purification of exhaust gas using the catalyst for purification of exhaust gas
JP6676394B2 (ja) * 2015-03-12 2020-04-08 株式会社豊田中央研究所 コアシェル担体及びその製造方法、そのコアシェル担体を用いた排ガス浄化用触媒及びその製造方法、並びに、その排ガス浄化用触媒を用いた排ガス浄化方法
JP6256769B2 (ja) * 2015-03-27 2018-01-10 株式会社キャタラー 排気ガス浄化用触媒
JP6322218B2 (ja) 2016-03-24 2018-05-09 株式会社豊田中央研究所 酸素吸蔵材料及びその製造方法
JP6499683B2 (ja) * 2016-03-31 2019-04-10 株式会社豊田中央研究所 コアシェル型酸化物材料、その製造方法、それを用いた排ガス浄化用触媒、及び排ガス浄化方法
US9868087B2 (en) 2016-03-31 2018-01-16 Toyota Jidosha Kabushiki Kaisha Core-shell oxide material, method for producing the same, and catalyst and method for purification of exhaust gas using the core-shell oxide material
US10058846B2 (en) * 2016-09-05 2018-08-28 Toyota Jidosha Kabushiki Kaisha Catalyst for purifying exhaust gas
JP6630305B2 (ja) * 2017-03-14 2020-01-15 株式会社豊田中央研究所 コアシェル型酸化物材料、それを用いた排ガス浄化用触媒、及び排ガス浄化方法
JP6855326B2 (ja) * 2017-05-26 2021-04-07 株式会社豊田中央研究所 酸素貯蔵材料の製造方法
JP7091278B2 (ja) * 2019-03-29 2022-06-27 株式会社豊田中央研究所 固体酸化物型燃料電池用電極材料、それを用いた固体酸化物型燃料電池用アノード電極、及びそれを用いた固体酸化物型燃料電池

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US20150273437A1 (en) 2015-10-01
JP2014114180A (ja) 2014-06-26
EP2930149A1 (en) 2015-10-14
WO2014087822A1 (ja) 2014-06-12
CN104822630A (zh) 2015-08-05
JP5815496B2 (ja) 2015-11-17
CN104822630B (zh) 2017-03-29
EP2930149B1 (en) 2019-05-22
EP2930149A4 (en) 2015-12-09

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