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公开(公告)号:US08361925B2
公开(公告)日:2013-01-29
申请号:US12765693
申请日:2010-04-22
申请人: Satoshi Matsueda , Mareo Kimura , Hiroto Yoshida , Keiichi Narita , Hirohisa Tanaka , Mari Uenisha , Masashi Taniguchi
发明人: Satoshi Matsueda , Mareo Kimura , Hiroto Yoshida , Keiichi Narita , Hirohisa Tanaka , Mari Uenisha , Masashi Taniguchi
CPC分类号: B01J23/78 , B01J23/002 , B01J23/005 , B01J23/8892 , B01J2523/00 , B01J2523/31 , B01J2523/72 , B01J2523/845 , B01J2523/842 , B01J2523/24 , B01J2523/847 , B01J2523/22
摘要: The exhaust gas-purifying catalyst includes at least one of a first composite oxide represented by a formula A(Al2-xBx)O4 and a second composite oxide represented by a formula (Al2-yCy)O3, wherein element A is a divalent transition metal other than platinum-group elements, each of elements B and C is a transition metal other than platinum-group elements, x satisfies 0
摘要翻译: 废气净化催化剂包括由式A(Al 2-x B x)O 4表示的第一复合氧化物和由式(Al2-yCy)O3表示的第二复合氧化物中的至少一种,其中元素A是二价过渡金属 除了铂族元素之外,元素B和C都是铂族元素以外的过渡金属,x满足0
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公开(公告)号:US20100204039A1
公开(公告)日:2010-08-12
申请号:US12765693
申请日:2010-04-22
申请人: Satoshi MATSUEDA , Mareo Kimura , Hiroto Yoshida , Keiichi Narita , Hirohisa Tanaka , Mari Uenishi , Masashi Taniguchi
发明人: Satoshi MATSUEDA , Mareo Kimura , Hiroto Yoshida , Keiichi Narita , Hirohisa Tanaka , Mari Uenishi , Masashi Taniguchi
CPC分类号: B01J23/78 , B01J23/002 , B01J23/005 , B01J23/8892 , B01J2523/00 , B01J2523/31 , B01J2523/72 , B01J2523/845 , B01J2523/842 , B01J2523/24 , B01J2523/847 , B01J2523/22
摘要: The exhaust gas-purifying catalyst includes at least one of a first composite oxide represented by a formula A(Al2-xBx)O4 and a second composite oxide represented by a formula (Al2-yCy)O3, wherein element A is a divalent transition metal other than platinum-group elements, each of elements B and C is a transition metal other than platinum-group elements, x satisfies 0
摘要翻译: 废气净化催化剂包括由式A(Al 2-x B x)O 4表示的第一复合氧化物和由式(Al2-yCy)O3表示的第二复合氧化物中的至少一种,其中元素A是二价过渡金属 除了铂族元素之外,元素B和C都是铂族元素以外的过渡金属,x满足0
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公开(公告)号:US20090036300A1
公开(公告)日:2009-02-05
申请号:US11915317
申请日:2006-06-02
申请人: Satoshi Matsueda , Mareo Kimura , Akimasa Hirai , Keiichi Narita , Hirohisa Tanaka , Mari Uenishi , Isao Tan , Masashi Taniguchi
发明人: Satoshi Matsueda , Mareo Kimura , Akimasa Hirai , Keiichi Narita , Hirohisa Tanaka , Mari Uenishi , Isao Tan , Masashi Taniguchi
IPC分类号: B01J23/10
CPC分类号: B01J23/63 , B01D53/9445 , B01D53/945 , B01D2255/10 , B01D2255/204 , B01D2255/206 , B01D2255/20715 , B01J23/002 , B01J23/10 , B01J35/002 , B01J35/1014 , B01J37/0009 , B01J37/0205 , B01J37/03 , B01J37/08 , B01J2523/00 , F01N3/10 , Y02T10/22 , B01J2523/25 , B01J2523/36 , B01J2523/3712 , B01J2523/48 , B01J2523/828 , B01J2523/3706 , B01J2523/3725
摘要: An exhaust gas-purifying catalyst (1) contains a rare-earth element, an alkaline-earth element, zirconium and a precious metal, wherein an atomic ratio of the alkaline-earth element with respect to a sum of the rare-earth element and the zirconium is 10 atomic % or more, a part of the rare-earth element and a part of zirconium form a composite oxide with at least a part of the alkaline-earth element, and the composite oxide and a part of the precious metal form a solid solution.
摘要翻译: 废气净化催化剂(1)含有稀土元素,碱土金属元素,锆和贵金属,其中碱土元素相对于稀土元素和 锆为10原子%以上,部分稀土元素和锆的一部分与至少一部分碱土元素形成复合氧化物,复合氧化物和贵金属的一部分形式 一个坚实的解决方案。
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公开(公告)号:US20090023580A1
公开(公告)日:2009-01-22
申请号:US11885632
申请日:2006-02-17
申请人: Hirohisa Tanaka , Kiyotomi Mitsumori , Isao Tan , Ichiro Takahashi , Mari Uenishi , Nobuhiko Kajita , Masashi Taniguchi , Kazuya Naito , Mareo Kimura , Keiichi Narita , Akimasa Hirai , Hiromasa Suzuki , Satoshi Matsueda , Hiroki Nagashima , Yoshinori Ishii , Norihiko Aono
发明人: Hirohisa Tanaka , Kiyotomi Mitsumori , Isao Tan , Ichiro Takahashi , Mari Uenishi , Nobuhiko Kajita , Masashi Taniguchi , Kazuya Naito , Mareo Kimura , Keiichi Narita , Akimasa Hirai , Hiromasa Suzuki , Satoshi Matsueda , Hiroki Nagashima , Yoshinori Ishii , Norihiko Aono
IPC分类号: B01J23/10 , B01J23/40 , B01J27/25 , B01J27/053 , B01J27/232 , B01J31/04
CPC分类号: C01G55/002 , B01D53/945 , B01D2255/1021 , B01D2255/1025 , B01D2255/402 , B01D2258/012 , B01D2258/014 , B01J23/002 , B01J23/10 , B01J23/58 , B01J23/894 , B01J37/033 , B01J37/08 , B01J2523/00 , C01P2002/34 , C01P2002/50 , F01N3/2803 , F01N2370/02 , F01N2510/06 , Y02T10/22 , B01J2523/23 , B01J2523/25 , B01J2523/31 , B01J2523/36 , B01J2523/3706 , B01J2523/3712 , B01J2523/47 , B01J2523/48 , B01J2523/822 , B01J2523/824 , B01J2523/828 , B01J2523/842 , B01J2523/3725 , B01J2523/24
摘要: An object of the present invention is to provide a catalyst composition containing a perovskite-type composite oxide which exhibits a satisfactory catalytic performance over a long time even in a high temperature atmosphere and has a stable quality in which Rh and/or Pt dissolves to form a solid solution at a high rate.To achieve the object described above, in the present invention the catalyst composition is prepared to comprise an Rh-containing perovskite-type composite oxide represented by the following general formula (I) and/or a Pt-containing perovskite-type composite oxide represented by the following general formula (II) and a thermostable oxide optionally containing a noble metal. A1xA2wB11−(y+z)B2yRhzO3±δ (I) A3rA4sB31−(t+u)B4tPtuO3±δ′ (II)
摘要翻译: 本发明的目的是提供一种含有钙钛矿型复合氧化物的催化剂组合物,即使在高温气氛中也能长时间表现出令人满意的催化性能,并且具有稳定的质量,其中Rh和/或Pt溶解形成 稳固的解决方案。 为了实现上述目的,在本发明中,催化剂组合物被制备为包含由以下通式(I)表示的含Rh的钙钛矿型复合氧化物和/或由以下通式(I)表示的含Pt的钙钛矿型复合氧化物 以下通式(II)和任选含有贵金属的热稳定性氧化物。 <?in-line-formula description =“In-line Formulas”end =“lead”?> A1xA2wB11-(y + z)B2yRhzO3±delta(I)<?in-line-formula description =“In-line Formulas” end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> A3rA4sB31-(t + u)B4tPtuO3±delta'(II) description =“内联公式”end =“tail”?>
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公开(公告)号:US20090253574A1
公开(公告)日:2009-10-08
申请号:US12227858
申请日:2007-04-23
申请人: Hirohisa Tanaka , Isao Tan , Mari Uenishi , Masashi Taniguchi , Mareo Kimura , Satoshi Matsueda , Akimasa Hirai , Keiichi Narita
发明人: Hirohisa Tanaka , Isao Tan , Mari Uenishi , Masashi Taniguchi , Mareo Kimura , Satoshi Matsueda , Akimasa Hirai , Keiichi Narita
IPC分类号: B01J23/10
CPC分类号: B01J23/002 , B01D2255/402 , B01J23/10 , B01J23/63 , B01J23/894 , B01J37/0215 , B01J37/0242 , B01J37/0244 , B01J37/0248 , B01J37/033 , B01J2523/00 , B01J2523/3706 , B01J2523/824 , B01J2523/842 , B01J2523/3712 , B01J2523/3725 , B01J2523/48 , B01J2523/822 , B01J2523/36 , B01J2523/23 , B01J2523/828
摘要: Provided is a catalyst with a noble metal efficiently supported on the surfacemost thereof. A composite oxide-containing layer is formed on a catalyst carrier so as to contain a perovskite-type composite oxide represented by the following general formula (1) and an other composite oxide, and a noble metal layer is further formed on the catalyst carrier so as to be supported on the surfacemost of the catalyst carrier by immersing the catalyst carrier formed with the composite oxide-containing layer in an aqueous noble metal salt solution to impregnate the catalyst carrier with the aqueous noble metal salt solution: AxByO3±δ (1) (wherein A represents at least one element selected from rare earth elements and alkaline earth metals; B represents at least one element selected from transition elements (excluding rare earth elements); x represents an atomic ratio of less than 1; y represents an atomic ratio of 1.0; and δ represents an oxygen excess or an oxygen deficiency.)
摘要翻译: 提供一种贵金属的催化剂,其有效地支撑在其表面的最表面上。 在催化剂载体上形成复合氧化物层,以含有由以下通式(1)表示的钙钛矿型复合氧化物和其它复合氧化物,并且在催化剂载体上进一步形成贵金属层 通过将形成有复合氧化物的层的催化剂载体浸渍在贵金属盐水溶液中以用贵金属盐水溶液浸渍催化剂载体:AxByO3±δ(1)来支撑在催化剂载体的表面上, (其中A表示选自稀土元素和碱土金属中的至少一种元素; B表示选自过渡元素(不包括稀土元素)中的至少一种元素; x表示小于1的原子比; y表示原子比 为1.0;并且δ表示氧过量或缺氧。)
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公开(公告)号:US20090131251A1
公开(公告)日:2009-05-21
申请号:US12343451
申请日:2008-12-23
申请人: Satoshi Matsueda , Mareo Kimura , Akimasa Hirai , Keiichi Narita , Hirohisa Tanaka , Isao Tan , Mari Uenishi , Masashi Taniguchi
发明人: Satoshi Matsueda , Mareo Kimura , Akimasa Hirai , Keiichi Narita , Hirohisa Tanaka , Isao Tan , Mari Uenishi , Masashi Taniguchi
CPC分类号: B01D53/945 , B01D2255/102 , B01D2255/402 , B01D2255/405 , B01J21/10 , B01J23/002 , B01J23/02 , B01J23/58 , B01J23/894 , B01J23/8946 , B01J35/0006 , B01J35/1009 , B01J35/1014 , B01J37/0009 , B01J37/03 , B01J37/033 , B01J2523/00 , Y02T10/22 , B01J2523/23 , B01J2523/47 , B01J2523/822 , B01J2523/3706 , B01J2523/824 , B01J2523/842
摘要: An exhaust gas-purifying catalyst is less prone to cause a decrease in its activity even when used in a high temperature atmosphere containing oxygen at a high concentration. The exhaust gas-purifying catalyst includes a composite oxide and Pd or a second solid solution of a composite and Rh and/or Pt. The first and second solid solutions have perovskite structure and are represented by ABO3 and CDO3, respectively. The composite oxide catalyst is supported by a composite oxide support including a composite oxide of spinel structure represented by EF2O4 or a composite oxide represented by GAl12O19. A and B represent a rare-earth element and a transition element, respectively. C and G represent an alkaline-earth element. D represents one or more of Ti, Zr, Hf and Ce. E represents an alkaline-earth element and/or a transition element. F represents one or more of Al, Mg and transition elements.
摘要翻译: 废气净化催化剂即使在高浓度氧气的高温气氛中使用也不易引起其活性降低。 废气净化催化剂包括复合氧化物和Pd或复合材料和Rh和/或Pt的第二固溶体。 第一和第二固溶体具有钙钛矿结构,分别由ABO 3和CDO 3表示。 复合氧化物催化剂由包含由EF 2 O 4表示的尖晶石结构的复合氧化物或由GA122019表示的复合氧化物的复合氧化物载体负载。 A和B分别表示稀土元素和过渡元素。 C和G表示碱土元素。 D表示Ti,Zr,Hf和Ce中的一种或多种。 E表示碱土元素和/或过渡元素。 F表示Al,Mg和过渡元素中的一种或多种。
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公开(公告)号:US07795170B2
公开(公告)日:2010-09-14
申请号:US12227858
申请日:2007-04-23
申请人: Hirohisa Tanaka , Isao Tan , Mari Uenishi , Masashi Taniguchi , Mareo Kimura , Satoshi Matsueda , Akimasa Hirai , Keiichi Narita
发明人: Hirohisa Tanaka , Isao Tan , Mari Uenishi , Masashi Taniguchi , Mareo Kimura , Satoshi Matsueda , Akimasa Hirai , Keiichi Narita
IPC分类号: B01J23/10
CPC分类号: B01J23/002 , B01D2255/402 , B01J23/10 , B01J23/63 , B01J23/894 , B01J37/0215 , B01J37/0242 , B01J37/0244 , B01J37/0248 , B01J37/033 , B01J2523/00 , B01J2523/3706 , B01J2523/824 , B01J2523/842 , B01J2523/3712 , B01J2523/3725 , B01J2523/48 , B01J2523/822 , B01J2523/36 , B01J2523/23 , B01J2523/828
摘要: Provided is a catalyst with a noble metal efficiently supported on the surfacemost thereof. A composite oxide-containing layer is formed on a catalyst carrier so as to contain a perovskite-type composite oxide represented by the following general formula (1) and an other composite oxide, and a noble metal layer is further formed on the catalyst carrier so as to be supported on the surfacemost of the catalyst carrier by immersing the catalyst carrier formed with the composite oxide-containing layer in an aqueous noble metal salt solution to impregnate the catalyst carrier with the aqueous noble metal salt solution: AxByO3±δ (1) (wherein A represents at least one element selected from rare earth elements and alkaline earth metals; B represents at least one element selected from transition elements (excluding rare earth elements); x represents an atomic ratio of less than 1; y represents an atomic ratio of 1.0; and δ represents an oxygen excess or an oxygen deficiency.)
摘要翻译: 提供一种贵金属的催化剂,其有效地支撑在其表面的最表面上。 在催化剂载体上形成复合氧化物层,以含有由以下通式(1)表示的钙钛矿型复合氧化物和其它复合氧化物,并且在催化剂载体上进一步形成贵金属层 通过将形成有复合氧化物的层的催化剂载体浸渍在贵金属盐水溶液中以使贵金属盐水溶液浸渍催化剂载体:AxByO3±δ(1)来担载在催化剂载体的最表面上, (其中A表示选自稀土元素和碱土金属中的至少一种元素; B表示选自过渡元素(不包括稀土元素)中的至少一种元素; x表示小于1的原子比; y表示原子比 为1.0;δ表示氧过量或缺氧。)
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公开(公告)号:US08133839B2
公开(公告)日:2012-03-13
申请号:US11915317
申请日:2006-06-02
申请人: Satoshi Matsueda , Mareo Kimura , Akimasa Hirai , Keiichi Narita , Hirohisa Tanaka , Mari Uenishi , Isao Tan , Masashi Taniguchi
发明人: Satoshi Matsueda , Mareo Kimura , Akimasa Hirai , Keiichi Narita , Hirohisa Tanaka , Mari Uenishi , Isao Tan , Masashi Taniguchi
IPC分类号: B01J23/00
CPC分类号: B01J23/63 , B01D53/9445 , B01D53/945 , B01D2255/10 , B01D2255/204 , B01D2255/206 , B01D2255/20715 , B01J23/002 , B01J23/10 , B01J35/002 , B01J35/1014 , B01J37/0009 , B01J37/0205 , B01J37/03 , B01J37/08 , B01J2523/00 , F01N3/10 , Y02T10/22 , B01J2523/25 , B01J2523/36 , B01J2523/3712 , B01J2523/48 , B01J2523/828 , B01J2523/3706 , B01J2523/3725
摘要: An exhaust gas-purifying catalyst (1) contains a rare-earth element, an alkaline-earth element, zirconium and a precious metal, wherein an atomic ratio of the alkaline-earth element with respect to a sum of the rare-earth element and the zirconium is 10 atomic % or more, a part of the rare-earth element and a part of zirconium form a composite oxide with at least a part of the alkaline-earth element, and the composite oxide and a part of the precious metal form a solid solution.
摘要翻译: 废气净化催化剂(1)含有稀土元素,碱土金属元素,锆和贵金属,其中碱土元素相对于稀土元素和 锆为10原子%以上,部分稀土元素和锆的一部分与至少一部分碱土元素形成复合氧化物,复合氧化物和贵金属的一部分形式 一个坚实的解决方案。
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公开(公告)号:US20090131252A1
公开(公告)日:2009-05-21
申请号:US11922231
申请日:2006-06-02
申请人: Hirohisa Tanaka , Isao Tan , Mari Uenishi , Masashi Taniguchi , Kazuya Naito , Mareo Kimura , Keiichi Narita , Hiromasa Suzuki , Satoshi Matsueda , Yoshinori Ishii
发明人: Hirohisa Tanaka , Isao Tan , Mari Uenishi , Masashi Taniguchi , Kazuya Naito , Mareo Kimura , Keiichi Narita , Hiromasa Suzuki , Satoshi Matsueda , Yoshinori Ishii
IPC分类号: B01J23/10
CPC分类号: B01J23/002 , B01D2255/402 , B01J23/63 , B01J35/1009 , B01J35/1014 , B01J37/033 , B01J2523/00 , F01N2510/06 , B01J2523/25 , B01J2523/3712 , B01J2523/3718 , B01J2523/828 , B01J2523/23 , B01J2523/36 , B01J2523/48 , B01J2523/24
摘要: To provide a catalyst composition containing a novel perovskite-type composite oxide which permits reversible entrance and exit of noble metals, a catalyst composition is prepared so as to contain a perovskite-type composite oxide represented by the general formula (1): AxA′wByB′(1-y-z)NzO3±σ (1) (wherein A represents at least one element selected from alkaline earth metals; A′ represents at least one element selected from rare earth elements; B represents a tetravalent rare earth element; B′ represents at least one element selected from transition elements (excluding tetravalent rare earth elements, Rh, Pd and Pt); N represents at least one element selected from Rh, Pd and Pt; x and w represent an atomic ratio satisfying the following relations: 0.8≦x+w≦1.3 (0.8≦x≦1.3, 0≦w≦0.4); y represents an atomic ratio satisfying the following relation: 0
摘要翻译: 为了提供一种催化剂组合物,其含有允许贵金属的可逆入口和退出的新型钙钛矿型复合氧化物,制备催化剂组合物以含有由通式(1)表示的钙钛矿型复合氧化物:<β -line-formula description =“In-line Formulas”end =“lead”?> AxA'wByB'(1-yz)NzO3±sigma(1)<?in-line-formula description =“In-line Formulas”end =“尾”→(其中A表示选自碱土金属中的至少一种元素; A'表示选自稀土元素中的至少一种元素; B表示四价稀土元素; B'表示选自以下的至少一种元素: 过渡元素(不含四价稀土元素,Rh,Pd和Pt); N表示选自Rh,Pd和Pt中的至少一种元素; x和w表示满足以下关系的原子比:0.8 <= x + w < 1.3(0.8 <= x <= 1.3,0 <= w <= 0.4); y表示满足以下关系的原子比:0
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公开(公告)号:US20100004123A1
公开(公告)日:2010-01-07
申请号:US12307571
申请日:2007-06-22
申请人: Mareo Kimura , Keiichi Narita , Akimasa Hirai , Akiya Chiba , Naoto Miyoshi , Kazunobu Ishibashi , Takaaki Kanazawa , Takeru Yoshida , Hirohisa Tanaka , Mari Uenishi , Isao Tan , Masashi Taniguchi
发明人: Mareo Kimura , Keiichi Narita , Akimasa Hirai , Akiya Chiba , Naoto Miyoshi , Kazunobu Ishibashi , Takaaki Kanazawa , Takeru Yoshida , Hirohisa Tanaka , Mari Uenishi , Isao Tan , Masashi Taniguchi
IPC分类号: B01J23/10
CPC分类号: C01G25/02 , B01D53/02 , B01D2253/112 , B01D2255/407 , B01D2256/12 , B01D2259/4525 , B01J23/002 , B01J23/63 , B01J2523/00 , C01P2002/72 , C01P2002/85 , C01P2004/82 , C01P2006/12 , Y10S502/526 , B01J2523/25 , B01J2523/3712 , B01J2523/48 , B01J2523/36
摘要: An excellent oxygen storage capacity is achieved even in the case used for a long period of time under high temperature conditions. An oxygen storage material contains a first particle made of a composite oxide of cerium and zirconium or a composite oxide of cerium, a rare-earth element other than cerium and zirconium, a second particle including a composite oxide of a rare-earth element, an alkaline-earth element and zirconium, and a precious metal. A part of the precious metal forms a solid solution with the composite oxide included in the second particle.
摘要翻译: 即使在高温条件下长时间使用的情况下也能获得极好的储氧能力。 储氧材料包含由铈和锆的复合氧化物制成的第一颗粒或铈,铈和锆以外的稀土元素的复合氧化物,包含稀土元素的复合氧化物的第二颗粒, 碱土元素和锆,以及贵金属。 贵金属的一部分与第二颗粒中包含的复合氧化物形成固溶体。
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