公开(公告)号：US08268289B2

公开(公告)日：2012-09-18

申请号：US12668714

申请日：2008-07-18

申请人： Shinji Takahashi ,  Naoya Kobayashi

发明人： Shinji Takahashi ,  Naoya Kobayashi

IPC分类号： C01B3/26 ,  B01J23/00 ,  B01J21/00

CPC分类号： B01J35/006 ,  B01J23/002 ,  B01J23/007 ,  B01J23/892 ,  B01J23/8946 ,  B01J37/03 ,  B01J2523/22 ,  B01J2523/31 ,  B01J2523/821 ,  B01J2523/845 ,  B01J2523/847 ,  C01B3/40 ,  C01B2203/0233 ,  C01B2203/1041 ,  C01B2203/1052 ,  C01B2203/1058 ,  C01B2203/1064 ,  C01B2203/1235 ,  H01M8/0612 ,  H01M8/0618 ,  H01M2250/20 ,  Y02P20/52 ,  Y02T90/32

摘要： The present invention relates to a catalyst for decomposing hydrocarbons including hydrocarbons having 2 or more carbon atoms, comprising magnesium, aluminum, nickel and cobalt as constitutional elements, and further comprising ruthenium and/or palladium, wherein the metallic ruthenium and/or metallic palladium in the form of fine particles have an average particle diameter of 0.5 to 20 nm, and a content of the metallic ruthenium and/or metallic palladium is 0.05 to 5.0% by weight based on the weight of the catalyst. The catalyst of the present invention is capable of efficiently decomposing hydrocarbons including hydrocarbons having 2 or more carbon atoms (C2 or more hydrocarbons), is less expensive, and exhibits an excellent catalytic activity for decomposition and removal of hydrocarbons, in particular, an excellent capability of decomposing propane, and an excellent anti-coking property.

摘要翻译： 本发明涉及用于分解碳氢化合物的催化剂，包括含有2个或更多个碳原子的烃，包括镁，铝，镍和钴作为构成元素，并且还包含钌和/或钯，其中金属钌和/或金属钯在 细颗粒的形式的平均粒径为0.5〜20nm，金属钌和/或金属钯的含量相对于催化剂的重量为0.05〜5.0重量％。 本发明的催化剂能够有效地分解碳原子数为2以上的烃（C2以上的烃）的碳氢化合物成本较低，对烃的分解除去具有优异的催化活性，特别是优异的能力 的丙烷分解，优异的抗焦化性能。

公开(公告)号：US08133463B1

公开(公告)日：2012-03-13

申请号：US12422346

申请日：2009-04-13

申请人： David A. Berry ,  Dushyant Shekhawat ,  Daniel Haynes ,  Mark Smith ,  James J. Spivey

发明人： David A. Berry ,  Dushyant Shekhawat ,  Daniel Haynes ,  Mark Smith ,  James J. Spivey

IPC分类号： C01B31/18 ,  C01B3/26

CPC分类号： C01B3/40 ,  B01J23/002 ,  B01J23/63 ,  B01J23/83 ,  B01J37/0236 ,  B01J37/031 ,  B01J2523/00 ,  C01B3/326 ,  C01B2203/0233 ,  C01B2203/0238 ,  C01B2203/0261 ,  C01B2203/1011 ,  C01B2203/1023 ,  C01B2203/1041 ,  C01B2203/1047 ,  C01B2203/1082 ,  C01B2203/1088 ,  C01B2203/1217 ,  C01B2203/1235 ,  Y02P20/52 ,  B01J2523/24 ,  B01J2523/3706 ,  B01J2523/48 ,  B01J2523/847 ,  B01J2523/828 ,  B01J2523/822 ,  B01J2523/821 ,  B01J2523/22 ,  B01J2523/23 ,  B01J2523/25 ,  B01J2523/3712 ,  B01J2523/375 ,  B01J2523/3737 ,  B01J2523/36 ,  B01J2523/47

摘要： A method of catalytically reforming a reactant gas mixture using a pyrochlore catalyst material comprised of one or more pyrochlores having the composition A2-w-xA′wA″xB2-y-zB′yB″zO7-Δ. Distribution of catalytically active metals throughout the structure at the B site creates an active and well dispersed metal locked into place in the crystal structure. This greatly reduces the metal sintering that typically occurs on supported catalysts used in reforming reactions, and reduces deactivation by sulfur and carbon. Further, oxygen mobility may also be enhanced by elemental exchange of promoters at sites in the pyrochlore. The pyrochlore catalyst material may be utilized in catalytic reforming reactions for the conversion of hydrocarbon fuels into synthesis gas (H2+CO) for fuel cells, among other uses.

摘要翻译： 使用由具有组合物A2-w-xA'wA“xB2-y-zB'yB”zO7-＆Dgr的一种或多种烧绿石组成的烧绿石催化剂材料催化重整反应气体混合物的方法。 催化活性金属在B位置的整个结构中的分布产生锁定在晶体结构中的活性和良好分散的金属。 这大大降低了在重整反应中使用的负载催化剂上通常发生的金属烧结，并减少了硫和碳的失活。 此外，通过在烧绿石中的位点处促进剂的元素交换也可以提高氧迁移率。 烧绿石催化剂材料可用于催化重整反应，用于将燃料转化为用于燃料电池的合成气（H 2 + CO）等。

公开(公告)号：US20120027666A1

公开(公告)日：2012-02-02

申请号：US13256227

申请日：2010-03-17

申请人： Craig L Hill ,  Yurii V Gueletii ,  Djamaladdin G. Musaev ,  Qiushi Yin ,  Bogdan Botar

发明人： Craig L Hill ,  Yurii V Gueletii ,  Djamaladdin G. Musaev ,  Qiushi Yin ,  Bogdan Botar

IPC分类号： B01J27/188 ,  B01J27/19 ,  B01J27/18 ,  B01J21/06 ,  C01B13/02 ,  B01J27/185 ,  B01J31/02 ,  B01J23/46 ,  B01J23/75 ,  B01J27/198 ,  B01J21/02

CPC分类号： B01J35/004 ,  B01J23/002 ,  B01J23/6527 ,  B01J23/888 ,  B01J27/188 ,  B01J27/199 ,  B01J35/0033 ,  B01J2523/00 ,  B01J2523/15 ,  B01J2523/51 ,  C01B3/042 ,  C01B13/0207 ,  C01G51/006 ,  C01G55/002 ,  C01P2002/82 ,  C01P2002/84 ,  C01P2002/86 ,  C01P2002/88 ,  C01P2006/40 ,  H01M8/0606 ,  Y02E60/364 ,  Y02E60/50 ,  B01J2523/12 ,  B01J2523/69 ,  B01J2523/845 ,  B01J2523/13 ,  B01J2523/14 ,  B01J2523/41 ,  B01J2523/821

摘要： Homogeneous water oxidation catalysts (WOCs) for the oxidation of water to produce hydrogen ions and oxygen, and methods of making and using thereof are described herein. In a preferred embodiment, the WOC is a polyoxometalate WOC which is hydrolytically stable, oxidatively stable, and thermally stable. The WOC oxidized waters in the presence of an oxidant. The oxidant can be generated photochemically, using light, such as sunlight, or electrochemically using a positively biased electrode. The hydrogen ions are subsequently reduced to form hydrogen gas, for example, using a hydrogen evolution catalyst (HEC). The hydrogen gas can be used as a fuel in combustion reactions and/or in hydrogen fuel cells. The catalysts described herein exhibit higher turn over numbers, faster turn over frequencies, and/or higher oxygen yields than prior art catalysts.

摘要翻译： 本文描述了用于氧化水以产生氢离子和氧的均相水氧化催化剂（WOC）及其制备和使用方法。 在优选的实施方案中，WOC是水解稳定，氧化稳定和热稳定的多金属氧酸盐WOC。 在氧化剂存在下WOC氧化水。 氧化剂可以光化学地使用光，例如太阳光，或者使用正偏压的电极进行电化学生成。 随后将氢离子还原成氢气，例如使用析氢催化剂（HEC）。 氢气可以用作燃烧反应中的燃料和/或在氢燃料电池中。 与现有技术的催化剂相比，本文所述的催化剂表现出更高的转数，更快的转过频率和/或更高的氧产率。

公开(公告)号：US07888278B2

公开(公告)日：2011-02-15

申请号：US10706645

申请日：2003-11-12

申请人： Charles R. Rapier ,  Shuibo Xie ,  Baili Hu ,  Beatrice C. Ortego ,  David E. Simon ,  David M. Minahan

发明人： Charles R. Rapier ,  Shuibo Xie ,  Baili Hu ,  Beatrice C. Ortego ,  David E. Simon ,  David M. Minahan

IPC分类号： C04B35/50

CPC分类号： C01B3/40 ,  B01J21/04 ,  B01J21/10 ,  B01J21/12 ,  B01J23/002 ,  B01J23/10 ,  B01J23/40 ,  B01J23/464 ,  B01J23/468 ,  B01J23/56 ,  B01J23/63 ,  B01J23/6567 ,  B01J23/75 ,  B01J23/8913 ,  B01J35/002 ,  B01J35/0026 ,  B01J35/0053 ,  B01J35/1014 ,  B01J35/1019 ,  B01J37/0201 ,  B01J37/06 ,  B01J37/08 ,  B01J2523/00 ,  C01B3/386 ,  C01B2203/0261 ,  C01B2203/062 ,  C01B2203/1011 ,  C01B2203/1017 ,  C01B2203/1041 ,  C01B2203/1047 ,  C01B2203/1052 ,  C01B2203/1064 ,  C01B2203/1082 ,  C01B2203/1094 ,  C01B2203/1241 ,  C01B2203/1633 ,  C10G2/30 ,  Y02P20/52 ,  B01J2523/31 ,  B01J2523/3706 ,  B01J2523/22 ,  B01J2523/3737 ,  B01J2523/822 ,  B01J2523/821 ,  B01J2523/845 ,  B01J2523/41

摘要： The present invention relates to stabilized supports stable at temperatures above 800° C., and method of preparing such supports, which includes adding a rare earth metal to an aluminum-containing precursor prior to calcining. The present invention can be more specifically seen as a support, process and catalyst wherein the stabilized alumina catalyst support comprises a rare earth aluminate with a molar ratio of aluminum to rare earth metal greater than 5:1 and, optionally, an aluminum oxide. More particularly, the invention relates to the use of catalysts comprising rhodium, ruthenium, iridium, or combinations thereof, loaded onto said stabilized supports for the synthesis gas production via partial oxidation of light hydrocarbons, and further relates to gas-to-liquids conversion processes.

摘要翻译： 本发明涉及在高于800℃的温度下稳定的稳定的载体，以及制备这种载体的方法，其包括在煅烧之前向含铝前体中加入稀土金属。 本发明可以更具体地看作是其中稳定的氧化铝催化剂载体包含铝与稀土金属摩尔比大于5:1的稀土铝酸盐和任选的氧化铝的载体，方法和催化剂。 更具体地说，本发明涉及包含铑，钌，铱或其组合的催化剂的用途，其通过轻质烃的部分氧化负载在所述稳定的载体上用于合成气生产，并且还涉及气体 - 液体转化方法 。

公开(公告)号：US20100254892A1

公开(公告)日：2010-10-07

申请号：US12668714

申请日：2008-07-18

申请人： Shinji Takahashi ,  Naoya Kobayashi

发明人： Shinji Takahashi ,  Naoya Kobayashi

IPC分类号： C01B3/26 ,  H01M4/94 ,  B01J23/89

CPC分类号： B01J35/006 ,  B01J23/002 ,  B01J23/007 ,  B01J23/892 ,  B01J23/8946 ,  B01J37/03 ,  B01J2523/22 ,  B01J2523/31 ,  B01J2523/821 ,  B01J2523/845 ,  B01J2523/847 ,  C01B3/40 ,  C01B2203/0233 ,  C01B2203/1041 ,  C01B2203/1052 ,  C01B2203/1058 ,  C01B2203/1064 ,  C01B2203/1235 ,  H01M8/0612 ,  H01M8/0618 ,  H01M2250/20 ,  Y02P20/52 ,  Y02T90/32

摘要： The present invention relates to a catalyst for decomposing hydrocarbons including hydrocarbons having 2 or more carbon atoms, comprising magnesium, aluminum, nickel and cobalt as constitutional elements, and further comprising ruthenium and/or palladium, wherein the metallic ruthenium and/or metallic palladium in the form of fine particles have an average particle diameter of 0.5 to 20 nm, and a content of the metallic ruthenium and/or metallic palladium is 0.05 to 5.0% by weight based on the weight of the catalyst. The catalyst of the present invention is capable of efficiently decomposing hydrocarbons including hydrocarbons having 2 or more carbon atoms (C2 or more hydrocarbons), is less expensive, and exhibits an excellent catalytic activity for decomposition and removal of hydrocarbons, in particular, an excellent capability of decomposing propane, and an excellent anti-coking property.

摘要翻译： 本发明涉及用于分解碳氢化合物的催化剂，包括含有2个或更多个碳原子的烃，包括镁，铝，镍和钴作为构成元素，并且还包含钌和/或钯，其中金属钌和/或金属钯在 细颗粒的形式的平均粒径为0.5〜20nm，金属钌和/或金属钯的含量相对于催化剂的重量为0.05〜5.0重量％。 本发明的催化剂能够有效地分解碳原子数为2以上的烃（C2以上的烃）的碳氢化合物成本较低，对烃的分解除去具有优异的催化活性，特别是优异的能力 的丙烷分解，优异的抗焦化性能。

公开(公告)号：US07691777B2

公开(公告)日：2010-04-06

申请号：US11907916

申请日：2007-10-18

申请人： Yuji Isogai ,  Kiyoshi Tanaami

发明人： Yuji Isogai ,  Kiyoshi Tanaami

IPC分类号： B01J23/32 ,  C01F17/00

CPC分类号： B01J23/002 ,  B01D53/945 ,  B01D2255/1026 ,  B01D2255/104 ,  B01D2255/206 ,  B01D2255/20707 ,  B01D2255/2073 ,  B01D2255/402 ,  B01J23/688 ,  B01J35/002 ,  B01J2523/00 ,  C01G45/1264 ,  C01G55/002 ,  C01P2002/52 ,  C01P2002/54 ,  Y02T10/22 ,  B01J2523/18 ,  B01J2523/36 ,  B01J2523/72 ,  B01J2523/47 ,  B01J2523/821 ,  B01J2523/57 ,  B01J2523/56

摘要： An oxidation catalyst for purifying an exhaust gas, which can provide an excellent catalyst activity at lower temperatures for particulates and high boiling point hydrocarbons in an exhaust gas of an internal combustion engine, is provided. The oxidation catalyst for purifying an exhaust gas is composed of a composite metal oxide represented by the general formula: Y1-xAgxMnO3, wherein 0.01≦x≦0.15. The composite metal oxide is represented by the general formula: Y1-xAgxMn1-yAyO3, wherein A is one metal selected from the group consisting of Ti, Nb, Ta and Ru, and 0.005≦y≦0.2.

摘要翻译： 提供一种用于净化废气的氧化催化剂，其能够在较低温度下为内燃机的废气中的微粒和高沸点烃提供优异的催化剂活性。 用于净化废气的氧化催化剂由以下通式表示的复合金属氧化物构成：Y1-xAgxMnO3，其中0.01＆nlE; x＆nlE; 0.15。 复合金属氧化物由以下通式表示：Y1-xAgxMn1-yAyO3，其中A是选自Ti，Nb，Ta和Ru中的一种金属，以及0.005＆lt; IL; y＆nlE; 0.2。

公开(公告)号：US07612011B2

公开(公告)日：2009-11-03

申请号：US11605515

申请日：2006-11-28

申请人： Thomas Henry Vanderspurt ,  Fabienne Wijzen ,  Xia Tang ,  Miriam P. Leffler ,  Rhonda R. Willigan ,  Caroline A. Newman ,  Rakesh Radhakrishnan ,  Fangxia Feng ,  Bruce Leon Laube ,  Zissis Dardas ,  Susanne M. Opalka ,  Ying She

发明人： Thomas Henry Vanderspurt ,  Fabienne Wijzen ,  Xia Tang ,  Miriam P. Leffler ,  Rhonda R. Willigan ,  Caroline A. Newman ,  Rakesh Radhakrishnan ,  Fangxia Feng ,  Bruce Leon Laube ,  Zissis Dardas ,  Susanne M. Opalka ,  Ying She

IPC分类号： C01F17/00

CPC分类号： C01G27/006 ,  B01J23/002 ,  B01J23/10 ,  B01J23/63 ,  B01J23/6567 ,  B01J35/10 ,  B01J35/1019 ,  B01J35/1061 ,  B01J37/0036 ,  B01J37/03 ,  B01J2523/00 ,  B82Y30/00 ,  C01B3/16 ,  C01B2203/0283 ,  C01B2203/044 ,  C01B2203/066 ,  C01B2203/1064 ,  C01B2203/107 ,  C01B2203/1082 ,  C01F17/0043 ,  C01G25/00 ,  C01G25/006 ,  C01P2002/50 ,  C01P2002/52 ,  C01P2002/60 ,  C01P2002/72 ,  C01P2002/82 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/16 ,  Y02P20/52 ,  Y10T436/12 ,  B01J2523/3712 ,  B01J2523/48 ,  B01J2523/3706 ,  B01J2523/3718 ,  B01J2523/49 ,  B01J2523/375 ,  B01J2523/32 ,  B01J2523/74 ,  B01J2523/828 ,  B01J2523/56 ,  B01J2523/824 ,  B01J2523/68 ,  B01J2523/821 ,  B01J2523/3737 ,  B01J2523/827 ,  B01J2523/822

摘要： A homogeneous ceria-based mixed-metal oxide, useful as a catalyst support, a co-catalyst and/or a getter has a relatively large surface area per weight, typically exceeding 150 m2/g, a structure of nanocrystallites having diameters of less than 4 nm, and including pores larger than the nanocrystallites and having diameters in the range of 4 to about 9 nm. The ratio of pore volumes, VP, to skeletal structure volumes, VS, is typically less than about 2.5, and the surface area per unit volume of the oxide material is greater than 320 m2/cm3, for low internal mass transfer resistance and large effective surface area for reaction activity. The mixed metal oxide is ceria-based, includes Zr and or Hf, and is made by a novel co-precipitation process. A highly dispersed catalyst metal, typically a noble metal such as Pt, may be loaded on to the mixed metal oxide support from a catalyst metal-containing solution following a selected acid surface treatment of the oxide support. Appropriate ratioing of the Ce and other metal constituents of the oxide support contribute to it retaining in a cubic phase and enhancing catalytic performance. Rhenium is preferably further loaded on to the mixed-metal oxide support and passivated, to increase the activity of the catalyst. The metal-loaded mixed-metal oxide catalyst is applied particularly in water gas shift reactions as associated with fuel processing systems, as for fuel cells.

摘要翻译： 可用作催化剂载体，助催化剂和/或吸气剂的均匀二氧化铈基混合金属氧化物具有相对较大的每重量的表面积，通常超过150m 2 / g，直径小于 4nm，并且包括大于纳米晶体的孔，并且具有在4至约9nm范围内的直径。 孔体积VP与骨架结构体积的比率VS通常小于约2.5，并且氧化物材料的每单位体积的表面积大于320m 2 / cm 3，对于低内部传质阻力和大的有效 反应活性的表面积。 复合金属氧化物是二氧化铈基，包括Zr和Hf，并且通过新的共沉淀法制备。 通过选择的氧化物载体的酸表面处理，可以将高度分散的催化剂金属（通常为贵金属如Pt）负载到来自含催化剂金属的溶液的混合金属氧化物载体上。 Ce和其他金属成分对氧化物载体的适当比例有助于其保持立方相并提高催化性能。 优选将铼进一步负载在混合金属氧化物载体上并钝化，以提高催化剂的活性。 负载金属的混合金属氧化物催化剂特别适用于燃料处理系统与燃料电池相关的水煤气变换反应。

公开(公告)号：US20090270648A1

公开(公告)日：2009-10-29

申请号：US12446759

申请日：2007-10-23

申请人： Motoo Yanagita ,  Kenichi Miyaki ,  Hirokazu Watanabe

发明人： Motoo Yanagita ,  Kenichi Miyaki ,  Hirokazu Watanabe

IPC分类号： C07C255/08 ,  B01J21/08

CPC分类号： B01J23/002 ,  B01J23/8876 ,  B01J37/0045 ,  B01J2523/00 ,  C07C253/26 ,  Y02P20/52 ,  B01J2523/13 ,  B01J2523/14 ,  B01J2523/22 ,  B01J2523/3712 ,  B01J2523/54 ,  B01J2523/67 ,  B01J2523/68 ,  B01J2523/69 ,  B01J2523/842 ,  B01J2523/847 ,  B01J2523/15 ,  B01J2523/37 ,  B01J2523/72 ,  B01J2523/845 ,  B01J2523/27 ,  B01J2523/30 ,  B01J2523/3706 ,  B01J2523/42 ,  B01J2523/51 ,  B01J2523/821 ,  B01J2523/56 ,  B01J2523/48 ,  B01J2523/55 ,  B01J2523/64 ,  B01J2523/824 ,  C07C255/08

摘要： A fluidized bed catalyst for producing acrylonitrile capable of maintaining a high yield of acrylonitrile over a long time, and a process for producing acrylonitrile using the catalyst are provided. A fluidized bed catalyst for producing acrylonitrile having a composition represented by a following general formula: MoaBibFecWdNieMgfAgBhCiDjEkFlGmOn(SiO2)p In the formula, A represents Ce and La, B represents Ca, Sr, Ba, Mn, Co, Cu, Zn and Cd, C represents Y, Pr, Nd, Sm, Al, Cr, Ga and In, D represents Ti, Zr, V, Nb, Ta, Ge, Sn, Pb and Sb, E represents Ru, Rh, Pd, Re, Os, Ir, Pt and Ag, F represents P, B and Te, G represents Li, Na, K, Rb, Cs and Tl, SiO2 represents silica, when a=10, b=0.1 to 1.5, c=0.5 to 3, d=0.1 to 1.5, e=0.1 to 8, f=0.1 to 5, g=0.1 to 1.5, h=0 to 8, i=0 to 3, j=0 to 3, k=0 to 3, l=0 to 3, m=0.01 to 2, p=10 to 200 and n is the atomic ratio of oxygen required to satisfy the valence of each of the elements excluding silicon, and (a×2+d×2)/(b×3+c×3+e×2+f×2+g×3+h×2+i×3+m×1)=0.90 to 1.00).

摘要翻译： 提供用于生产能够长时间保持高产率丙烯腈的丙烯腈的流化床催化剂，以及使用该催化剂生产丙烯腈的方法。 一种用于生产丙烯腈的流化床催化剂，其具有由以下通式表示的组成：MoaBibFecWdNieMgfAgBhCiDjEkFlGmOn（SiO2）p在该式中，A表示Ce和La，B表示Ca，Sr，Ba，Mn，Co，Cu，Zn和Cd， C表示Y，Pr，Nd，Sm，Al，Cr，Ga和In，D表示Ti，Zr，V，Nb，Ta，Ge，Sn，Pb和Sb，E表示Ru，Rh，Pd，Re， Ir，Pt和Ag，F表示P，B和Te，G表示Li，Na，K，Rb，Cs和T1，当a = 10时，SiO2表示二氧化硅，b = 0.1〜1.5，c = 0.5〜3，d = 0.1〜1.5，e = 0.1〜8，f = 0.1〜5，g = 0.1〜1.5，h = 0〜8，i = 0〜3，j = 0〜3，k = 0〜3，l = 0 至3，m = 0.01〜2，p = 10〜200，n为满足除硅以外的各元素的价数所需的氧的原子比，（ax2 + dx2）/（bx3 + cx3 + ex2 + fx2 + gx3 + hx2 + ix3 + mx1）= 0.90〜1.00）。

公开(公告)号：US07166263B2

公开(公告)日：2007-01-23

申请号：US10402808

申请日：2003-03-28

申请人： Thomas Henry Vanderspurt ,  Fabienne Wijzen ,  Xia Tang ,  Miriam P. Leffler ,  Rhonda R. Willigan ,  Caroline A. Newman ,  Rakesh Radhakrishnan ,  Fangxia Feng ,  Bruce Leon Laube ,  Zissis Dardas ,  Susanne M. Opalka ,  Ying She

发明人： Thomas Henry Vanderspurt ,  Fabienne Wijzen ,  Xia Tang ,  Miriam P. Leffler ,  Rhonda R. Willigan ,  Caroline A. Newman ,  Rakesh Radhakrishnan ,  Fangxia Feng ,  Bruce Leon Laube ,  Zissis Dardas ,  Susanne M. Opalka ,  Ying She

IPC分类号： C01F17/00

CPC分类号： C01G27/006 ,  B01J23/002 ,  B01J23/10 ,  B01J23/63 ,  B01J23/6567 ,  B01J35/10 ,  B01J35/1019 ,  B01J35/1061 ,  B01J37/0036 ,  B01J37/03 ,  B01J2523/00 ,  B82Y30/00 ,  C01B3/16 ,  C01B2203/0283 ,  C01B2203/044 ,  C01B2203/066 ,  C01B2203/1064 ,  C01B2203/107 ,  C01B2203/1082 ,  C01F17/0043 ,  C01G25/00 ,  C01G25/006 ,  C01P2002/50 ,  C01P2002/52 ,  C01P2002/60 ,  C01P2002/72 ,  C01P2002/82 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/16 ,  Y02P20/52 ,  Y10T436/12 ,  B01J2523/3712 ,  B01J2523/48 ,  B01J2523/3706 ,  B01J2523/3718 ,  B01J2523/49 ,  B01J2523/375 ,  B01J2523/32 ,  B01J2523/74 ,  B01J2523/828 ,  B01J2523/56 ,  B01J2523/824 ,  B01J2523/68 ,  B01J2523/821 ,  B01J2523/3737 ,  B01J2523/827 ,  B01J2523/822

摘要： A homogeneous ceria-based mixed-metal oxide, useful as a catalyst support, a co-catalyst and/or a getter has a relatively large surface area per weight, typically exceeding 150 m2/g, a structure of nanocrystallites having diameters of less than 4 nm, and including pores larger than the nanocrystallites and having diameters in the range of 4 to about 9 nm. The ratio of pore volumes, VP, to skeletal structure volumes, VS, is typically less than about 2.5, and the surface area per unit volume of the oxide material is greater than 320 m2/cm3, for low internal mass transfer resistance and large effective surface area for reaction activity. The mixed metal oxide is ceria-based, includes Zr and or Hf, and is made by a novel co-precipitation process. A highly dispersed catalyst metal, typically a noble metal such as Pt, may be loaded on to the mixed metal oxide support from a catalyst metal-containing solution following a selected acid surface treatment of the oxide support. Appropriate ratioing of the Ce and other metal constituents of the oxide support contribute to it retaining in a cubic phase and enhancing catalytic performance. Rhenium is preferably further loaded on to the mixed-metal oxide support and passivated, to increase the activity of the catalyst. The metal-loaded mixed-metal oxide catalyst is applied particularly in water gas shift reactions as associated with fuel processing systems, as for fuel cells.

摘要翻译： 可用作催化剂载体，助催化剂和/或吸气剂的均匀的二氧化铈基混合金属氧化物具有相对较大的每重量的表面积，通常超过150m 2 / g， 具有直径小于4nm的纳米晶体的结构，并且包括大于纳米微晶并且直径在4至约9nm范围内的孔。 孔体积V V P与骨架结构体积V S S的比例通常小于约2.5，并且氧化物材料的每单位体积的表面积为 大于320m 2 / cm 3，因为低的内部传质阻力和反应活性的大的有效表面积。 复合金属氧化物是二氧化铈基，包括Zr和Hf，并且通过新的共沉淀法制备。 通过选择的氧化物载体的酸表面处理，可以将高度分散的催化剂金属（通常为贵金属如Pt）负载到来自含催化剂金属的溶液的混合金属氧化物载体上。 Ce和其他金属成分对氧化物载体的适当比例有助于其保持立方相并提高催化性能。 优选将铼进一步负载在混合金属氧化物载体上并钝化，以提高催化剂的活性。 负载金属的混合金属氧化物催化剂特别适用于燃料处理系统与燃料电池相关的水煤气变换反应。

公开(公告)号：US06984750B2

公开(公告)日：2006-01-10

申请号：US10460730

申请日：2003-06-12

申请人： Sanjay Chaturvedi ,  Jingguang Chen ,  Michael Bruce Clark, Jr. ,  Anne Mae Gaffney

发明人： Sanjay Chaturvedi ,  Jingguang Chen ,  Michael Bruce Clark, Jr. ,  Anne Mae Gaffney

IPC分类号： C07C253/00 ,  B01J21/02 ,  B01J21/08 ,  B01J23/00 ,  B01J20/00

CPC分类号： C07C51/252 ,  B01J23/002 ,  B01J23/28 ,  B01J23/6525 ,  B01J27/0576 ,  B01J35/04 ,  B01J35/06 ,  B01J37/0228 ,  B01J37/0238 ,  B01J37/0244 ,  B01J37/34 ,  B01J2523/00 ,  C07C51/215 ,  C07C253/24 ,  Y02P20/52 ,  C07C57/04 ,  B01J2523/55 ,  B01J2523/56 ,  B01J2523/64 ,  B01J2523/68 ,  B01J2523/53 ,  B01J2523/69 ,  B01J2523/47 ,  B01J2523/72 ,  B01J2523/57 ,  B01J2523/824 ,  B01J2523/821 ,  B01J2523/31 ,  B01J2523/845 ,  B01J2523/33 ,  C07C255/08

摘要： A supported catalyst comprising a mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor phase ammoxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated nitrile.