Of Zinc Patents (Class 502/342)
-
Patent number: 8178068Abstract: A catalyst charge for ammonia oxidation, including the Andrussow process, comprises a first stage ammonia oxidation catalyst capable of oxidizing 20 to 99% of designed ammonia throughput, to produce a first stage product gas comprising unreacted ammonia, oxygen and nitrogen oxides, and a second stage ammonia oxidation catalyst capable of completing the oxidation of unreacted ammonia. Low levels of nitrous oxide are produced an extended campaign lengths may be seen.Type: GrantFiled: April 27, 2004Date of Patent: May 15, 2012Assignee: Johnson Matthey PLCInventors: Sean Alexander Axon, Duncan Roy Coupland, Brian Thomas Horner, John Ridland, Ian Carmichael Wishart
-
Patent number: 8148293Abstract: Highly uniform cluster based nanocatalysts supported on technologically relevant supports were synthesized for reactions of top industrial relevance. The Pt-cluster based catalysts outperformed the very best reported ODHP catalyst in both activity (by up to two orders of magnitude higher turn-over frequencies) and in selectivity. The results clearly demonstrate that highly dispersed ultra-small Pt clusters precisely localized on high-surface area supports can lead to affordable new catalysts for highly efficient and economic propene production, including considerably simplified separation of the final product. The combined GISAXS-mass spectrometry provides an excellent tool to monitor the evolution of size and shape of nanocatalyst at action under realistic conditions. Also provided are sub-nanometer gold and sub-nanometer to few nm size-selected silver catalysts which possess size dependent tunable catalytic properties in the epoxidation of alkenes.Type: GrantFiled: August 26, 2010Date of Patent: April 3, 2012Assignee: UChicago Argonne, LLCInventors: Stefan Vajda, Michael J. Pellin, Jeffrey W. Elam, Christopher L. Marshall, Randall A. Winans, Karl-Heinz Meiwes-Broer
-
Patent number: 8143189Abstract: Highly uniform cluster based nanocatalysts supported on technologically relevant supports were synthesized for reactions of top industrial relevance. The Pt-cluster based catalysts outperformed the very best reported ODHP catalyst in both activity (by up to two orders of magnitude higher turn-over frequencies) and in selectivity. The results clearly demonstrate that highly dispersed ultra-small Pt clusters precisely localized on high-surface area supports can lead to affordable new catalysts for highly efficient and economic propene production, including considerably simplified separation of the final product. The combined GISAXS-mass spectrometry provides an excellent tool to monitor the evolution of size and shape of nanocatalyst at action under realistic conditions. Also provided are sub-nanometer gold and sub-nanometer to few nm size-selected silver catalysts which possess size dependent tunable catalytic properties in the epoxidation of alkenes.Type: GrantFiled: March 12, 2009Date of Patent: March 27, 2012Assignee: UChicago Argonne, LLCInventors: Stefan Vajda, Michael J. Pellin, Jeffrey W. Elam, Christopher L. Marshall, Randall A. Winans, Karl-Heinz Meiwes-Broer
-
Patent number: 8088706Abstract: A bulk metal oxide catalyst composition of the general formula (X)b(M)c(Z)d(O)e??(I) wherein X represents at least one non-noble Group VIII metal; M represents at least one non-noble Group VIb metal; Z represents one or more elements selected from aluminum, silicon, magnesium, titanium, zirconium, boron, and zinc; one of b and c is the integer 1; and d and e and the other of b and c each are a number greater than 0 such that the molar ratio of b:c is in the range of from 0.5:1 to 5:1, the molar ratio of d:c is in the range of from 0.2:1 to 50:1, and the molar ratio of e:c is in the range of from 3.7:1 to 108:1; is prepared by controlled (co)precipitation of component metal compounds, refractory oxide material, and alkali compound in protic liquid. Resulting compositions find use in hydrotreatment processes involving particularly hydrodesulphurization and hydrodenitrification.Type: GrantFiled: April 29, 2009Date of Patent: January 3, 2012Assignee: Shell Oil CompanyInventors: Laszlo Domokos, Hermanus Jongkind, Johannes Anthonius Robert Van Veen
-
Patent number: 8088708Abstract: The present invention provides a catalyst precursor substance containing copper, zinc, and aluminum and exhibiting an X-ray diffraction pattern having a broad peak at a specific interplanar spacing d (?). The present invention also provides a method for producing the catalyst precursor substance by mixing a solution containing a copper salt, a zinc salt, and an aluminum salt with a solution containing an alkali metal hydroxide or an alkaline earth metal hydroxide, thereby forming a precipitate. In the present invention, a catalyst is prepared through calcining of the catalyst precursor; the catalyst is employed for water gas shift reaction; and carbon monoxide conversion is carried out by use of the catalyst.Type: GrantFiled: April 2, 2008Date of Patent: January 3, 2012Assignee: Idemitsu Kosan Co., Ltd.Inventors: Kozo Takatsu, Yoshimi Kawashima, Satoshi Nakai
-
Publication number: 20110301392Abstract: A catalyst for the dehydrogenation of alkanes or alkyl substituents of hydrocarbons, is a shaped body having at least one oxide from the elements of the main or secondary group II to IV of the periodic table or of a mixed oxide thereof serving as base material of the shaped body. The catalyst further contains an additional constituent which is an oxide of an element of the main group IV of the periodic table, added during the shaping process. A platinum compound and a compound of an element of the main group IV of the periodic table is used as a surface constituent of the catalyst. The invention further relates to the production of the catalyst and to a method for the dehydrogenation of alkanes using the catalyst.Type: ApplicationFiled: December 15, 2009Publication date: December 8, 2011Applicant: UHDE GMBHInventors: Muhammad Iqbal Mian, Max Heinritz-Adrian, Sascha Wenzel, Oliver Noll, Meinhard Schwefer, Helmut Gehrke
-
Patent number: 8071655Abstract: A catalyst applicable to the synthesis gas conversions especially E-T slurry processes, said catalyst comprising: a) a support containing at least a first aluminate element of mixed spinel structure of formula MxM?(1?x)Al2O4/Al2O3.SiO2, x ranging between and excluding 0 and 1, or of simple spinel structure of formula MAl2O4/Al2O3.SiO2, said support being calcined in an at least partly oxidizing atmosphere, at a temperature ranging between 850° C. and 900° C., and b) an active phase deposited on said support, which contains one or more group VIII metals, selected from among cobalt, nickel, ruthenium or iron. Said catalyst is used in a fixed bed or suspended in a three-phase reactor for hydrocarbon synthesis from a CO, H2 mixture.Type: GrantFiled: November 17, 2005Date of Patent: December 6, 2011Assignees: IFP Energies Nouvelles, ENI S.p.A.Inventors: Fabrice Diehl, François Hugues, Marie-Claire Marion, Denis Uzio
-
Publication number: 20110294652Abstract: The present invention provides a method for preparing a pyrochlore type oxide having a larger specific surface area, a polymer electrolyte fuel cell and a fuel cell system improved in power generation efficiency and capable of being produced more inexpensively, and a method for producing an electro catalyst for a fuel cell, which electro catalyst has a larger specific surface area, is relatively inexpensive, and has high electrode activity per unit mass. A method for preparing a pyrochlore type oxide represented by A2B2O7-Z wherein A and B represent a metal element, Z represents a number of 0 or more and 1 or less, A includes at least one selected from the group consisting of Pb, Sn, and Zn, and B includes at least one selected from the group consisting of Ru, W, Mo, Ir, Rh, Mn, Cr, and Re, wherein the pyrochlore type oxide is produced by a reaction of a halide or nitrate of A with an alkali salt of a metal acid of B.Type: ApplicationFiled: February 10, 2010Publication date: December 1, 2011Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventors: Yasushi Sato, Tamaki Mizuno, Yuri Seki
-
Patent number: 7998897Abstract: Catalyst for use in the high temperature shift reaction comprising in its active form a mixture of zinc alumina spinel and zinc oxide in combination with an alkali metal selected from the group consisting of Na, K, Rb, Cs and mixtures thereof. The catalyst has a Zn/Al molar ratio in the range 0.5 to 1.0 and a content of alkali metal in the range 0.4 to 8.0 wt % based on the weight of oxidized catalyst.Type: GrantFiled: June 11, 2009Date of Patent: August 16, 2011Assignee: Haldor Topsøe A/SInventor: Niels Christian Schiødt
-
Patent number: 7985395Abstract: Catalyst for oxidation reactions which comprises at least one constituent active in the catalysis of hydrogen chloride oxidation and support therefor, which support is based on uranium oxide. The catalyst is notable for a high stability and activity.Type: GrantFiled: June 26, 2008Date of Patent: July 26, 2011Assignee: Bayer Technology Services GmbHInventors: Aurel Wolf, Leslaw Mleczko, Oliver Felix-Karl Schlüter, Stephan Schubert
-
Patent number: 7964114Abstract: The present development is a catalyst for use in water gas shift processes, a method for making the catalyst and a method of using the catalyst. The catalyst is composed of iron oxide, copper oxide, zinc oxide, alumina, and optionally, potassium oxide, and is produced using a hydrothermal synthesis process. The catalyst demonstrates surprising activity for conversion of carbon monoxide under high to moderate temperature shift reaction conditions.Type: GrantFiled: December 17, 2007Date of Patent: June 21, 2011Assignee: Sud-Chemie Inc.Inventors: Chao Chen, Eshan Li, Yanxia Wang, Yeping Cai, Chandra Ratnasamy, Jeffery E. Riley, Xueqin J. Wang, Shizhong Zhao, Jürgen R. Ladebeck
-
Publication number: 20110144400Abstract: The invention relates to a material which is suited as a carrier for catalysts in the dehydrogenation of alkanes and in the oxidative dehydrogenation of alkanes and which is made of an oxide ceramic foam and may contain combinations of the substances aluminium oxide, calcium oxide, silicon dioxide, tin oxide, zirconium dioxide, calcium aluminate, zinc aluminate, silicon carbide, and which is impregnated with one or several suitable catalytically active materials, by which the flow resistance of the catalyst decreases to a considerable degree and the accessibility of the catalytically active material improves significantly and the thermal and mechanical stability of the material increases. The invention also relates to a process for the manufacture of the material and a process for the dehydrogenation of alkanes by using the material according to the invention.Type: ApplicationFiled: July 28, 2009Publication date: June 16, 2011Applicant: UHDE GMBHInventors: Muhammad Iqbal Mian, Max Heinritz-Adrian, Oliver Noll, Domenico Pavone, Sascha Wenzel
-
Patent number: 7960307Abstract: A sulfur reduction catalyst useful to reduce the levels of sulfur in a cracked gasoline product comprises a metal vanadate compound. The metal vanadate compound can be supported on a molecular sieve such as a zeolite in which the metal vanadate compound is primarily located on the exterior surface of the pore structure of the zeolite and on the surface of any matrix material used to bind or support the zeolite.Type: GrantFiled: March 6, 2007Date of Patent: June 14, 2011Assignee: BASF CorporationInventors: Xingtao Gao, James Fu
-
Publication number: 20110105306Abstract: A Cu—Zn—Al catalyst is fabricated for producing methanol and dimethyl ether (DME). A sol-gel method is used to obtain an organic phase with gel clusters rapidly transferred in. The catalyst thus fabricated can be adjusted in crystal grain size, crystal type, surface structure and active sites distribution. Thus, performance of the catalyst is improved.Type: ApplicationFiled: June 9, 2010Publication date: May 5, 2011Applicant: ATOMIC ENERGY COUNCIL-INSTITUTE OF NUCLEAR ENERGY RESEARCHInventors: Chun-Ching Chien, Ning-Yih Hsu, Shean-Du Chiou, Su-Hsine Lin, Wan-Min Huang
-
Publication number: 20110092730Abstract: A catalyst with a mixed zinc and aluminium oxide base having a spinel structure surstoichiometric in zinc, in which part of the Zn atoms are in the octahedral position, a process for preparation of the same and use of the same in a process for preparation of a compound of linear monocarboxylic acid alcohol esters with 6-26 carbon atoms from a vegetable or animal oil, neutral or acid, virgin or recycled, with monoalcohols of 1-18 carbon atoms allowing an ester that can be used as a motor fuel or a heating fuel and a pure glycerine to be obtained directly in one or more steps,Type: ApplicationFiled: October 13, 2010Publication date: April 21, 2011Applicant: IFP Energies nouvellesInventors: Delphine Bazer-Bachi, Vincent Coupard, Sylvie Maury, Veronique Pugnet, Isabelle Clemencon, Anne-Agathe Quoineaud
-
Patent number: 7919431Abstract: A composition and method for preparation of a catalyst for the liquid phase selective hydrogenation of alkynes to alkenes with high selectivity to alkenes relative to alkanes, high alkyne conversion, and sustained catalytic activity comprising a Group VIII metal and a Group IB, Group IIB, Group IIIA, and/or Group VIIB promoter on a particulate support.Type: GrantFiled: December 4, 2003Date of Patent: April 5, 2011Inventors: Marvin M. Johnson, Edward R. Peterson, Sean C. Gattis
-
Publication number: 20110058999Abstract: According to one embodiment, described herein is an exhaust gas after-treatment system that is coupleable in exhaust gas stream receiving communication with an internal combustion engine. The exhaust gas after-treatment system includes a low temperature SCR catalyst configured to reduce NOx in exhaust gas having a temperature below a temperature threshold. The system also includes a normal-to-high temperature SCR catalyst configured to reduce NOx in exhaust gas having a temperature above the temperature threshold.Type: ApplicationFiled: September 10, 2010Publication date: March 10, 2011Applicant: CUMMINS IP, INCInventors: Padmanabha Reddy Ettireddy, Matthew Henrichsen
-
Patent number: 7897037Abstract: A catalyst is provided comprising nickel in a reduced valence state on a carrier comprising zinc oxide and alumina, wherein the Zn:Ni atomic ratio is at least 12, and the catalyst particles are prepared by: mixing zinc oxide in the form of a powder and alumina or an alumina precursor in the form of a powder; peptizing the powder mixture and forming an extrudable dough by adding acid and water to the powder mixture in such amounts that the dough contains 0.8-1.2 moles acid equivalents per kg powder; extruding the extrudable dough to form extrudates; drying and calcining the extrudates; impregnating the extrudates with an aqueous solution of a nickel compound; drying, calcining and reducing the impregnated extrudates. Further provided is a process for desulphurization of a hydrocarbonaceous feedstock using such catalyst.Type: GrantFiled: September 20, 2007Date of Patent: March 1, 2011Assignee: Shell Oil CompanyInventor: Carolus Matthias Anna Maria Mesters
-
Patent number: 7858552Abstract: A composite catalytic material (and process for its manufacture) is provided which comprises a catalyst adhered to a polymeric support material. This composite catalytic material can be used to remove or degrade contaminants in water and to remove or degrade carbon monoxide or other airborne contaminants.Type: GrantFiled: October 19, 2007Date of Patent: December 28, 2010Assignee: Wayland Baptist UniversityInventors: Joel E. Boyd, Lori A. Pretzer, Philip J. Carlson
-
Patent number: 7846867Abstract: A method for the production of a composition comprising a metal containing compound, a silica containing material, a promoter, and alumina is disclosed. The composition can then be utilized in a process for the removal of sulfur from a hydrocarbon stream.Type: GrantFiled: August 30, 2007Date of Patent: December 7, 2010Assignee: China Petroleum & Chemical CorporationInventors: Uday T. Turaga, Tushar V. Choudhary, Glenn W. Dodwell, Marvin M. Johnson, Deborah K. Just
-
Patent number: 7846977Abstract: The present invention relates to a catalyst comprising a preferably oxidic, core material, a shell of zinc oxide around said core material, and a catalytically active material in or on the shell, based on one or more of the metals cobalt, iron, ruthenium and/or nickel, preferably a Fischer-Tropsch catalyst, to the preparation of such a catalyst and the use thereof in GTL processes.Type: GrantFiled: June 17, 2008Date of Patent: December 7, 2010Assignee: BASF CorporationInventors: Cornelis Roeland Baijense, Geoffrey Johnson, Ahmad Moini
-
Patent number: 7820128Abstract: The invention relates to a process for preparing Cu/Zn/Al catalysts. In this process, the metals are used in the form of their formates and are precipitated in a suitable form. Suitable precipitants are, for example, alkali metal carbonates. The invention further relates to a catalyst as can be obtained by the process according to the invention and to its use.Type: GrantFiled: May 2, 2006Date of Patent: October 26, 2010Assignee: Sud-Chemie AGInventors: Siegfried Polier, Martin Hieke, Dieter Hinze
-
Publication number: 20100240526Abstract: Photocatalytic roofing granules include a binder and inert mineral particles, with photocatalytic particles dispersed in the binder.Type: ApplicationFiled: May 23, 2008Publication date: September 23, 2010Inventors: Keith C. Hong, Gregory F. Jacobs
-
Patent number: 7799727Abstract: A layered composition which can be used in various processes has been developed. The composition comprises an inner core such as a cordierite core and an outer layer comprising a refractory inorganic oxide, a fibrous component and an inorganic binder. The refractory inorganic oxide layer can be alumina, zirconia, titania, etc. while the fibrous component can be titania fibers, silica fibers, carbon fibers, etc. The inorganic oxide binder can be alumina, silica, zirconia, etc. The layer can also contain catalytic metals such as gold and platinum plus other modifiers. The layered composition is prepared by coating the inner core with a slurry comprising the refractory inorganic oxide, fibrous component, an inorganic binder precursor and an organic binding agent such as polyvinyl alcohol. The composition can be used in various hydrocarbon conversion processes.Type: GrantFiled: December 15, 2009Date of Patent: September 21, 2010Assignee: UOP LLCInventors: Dean E. Rende, James E. Rekoske, Jeffery C. Bricker, Jeffrey L. Boike, Masao Takayama, Kouji Hara, Nobuyuki Aoi
-
Patent number: 7754648Abstract: A composite material includes a substrate and a self-cleanable hydrophilic surface layer. The surface layer includes a plurality of components: a first component having a photocatalyst which functions as a catalyst upon exposure to light; a second component having one or more of aluminum oxide, zinc oxide, strontium oxide, barium oxide, magnesium oxide, calcium oxide, rubidium oxide, sodium oxide, potassium oxide and phosphorus pentoxide; and a third component having one or more of silicon dioxide, zirconium dioxide, germanium dioxide and thorium dioxide. The first through third components are all situated within the surface layer, which is provided as a single surface layer, such that all of the components are in close proximity to one another within the single surface layer.Type: GrantFiled: April 6, 2009Date of Patent: July 13, 2010Assignee: Toto Ltd.Inventors: Kazuya Tsujmichi, Hiroto Hasuo, Hideaki Kobayashi
-
Patent number: 7754651Abstract: Disclosed is an Cu/Zn/Al-catalyst containing copper oxide and zinc oxide as catalytically active components and aluminium oxide as thermostabilising component. The catalyst is characterized in that the Cu/Zn atomic ratio is <2.8 and the aluminium oxide component is obtained from an aluminium hydroxide sol.Type: GrantFiled: November 6, 2002Date of Patent: July 13, 2010Assignee: Süd -Chemie AGInventors: Jurgen Ladebeck, Jurgen Koy, Tiberius Regula
-
Patent number: 7749376Abstract: The present invention is a method for the adsorption of sulfur-containing compounds from a hydrocarbon feedstream, and in particular, an olefin feedstream. The method comprises contacting the sulfur-containing compound with a copper oxide/zinc oxide/aluminum oxide catalyst optionally promoted with a metal.Type: GrantFiled: August 15, 2005Date of Patent: July 6, 2010Assignee: Sud-Chemie Inc.Inventors: Wayne Turbevillle, Nora Yap, Yeping Cai, Jürgen Ladebeck
-
Publication number: 20100154295Abstract: A method of preparing a composition of alcohol esters of linear monocarboxylic acids with 6 to 26 carbon atoms from a vegetable or animal oil, neutral or acid, virgin or recycled, with monoalcohols having 1 to 18 carbon atoms, in the presence of a catalyst combining at least a solid solution of ZnxAl2O(3+x) type, wherein x ranges between 0 and 1 (end points excluded), and free ZnO present between 7 and 30 mass %, allows to directly obtain, in one or more stages, an ester that can be used as fuel and a pure glycerin.Type: ApplicationFiled: December 23, 2009Publication date: June 24, 2010Applicant: IFPInventors: Delphine BAZER-BACHI, Vincent Coupard, Sylvie Maury, Bermadette Rebours
-
Patent number: 7737078Abstract: The formation of H2S in a stoichiometric or reducing atmosphere is restrained without using Ni or Cu as an environmental load substance. An additional oxide composed of an oxide of at least one kind of metal selected from the group consisting of Bi, Sn and Zn was added to a three-way catalyst for purifying an exhaust gas emitted from an internal combustion engine of which the combustion is controlled in near a stoichiometric atmosphere in the amount of from 0.02 mol to 0.2 mol per liter of the catalyst. The additional oxide forms SO3 or SO4 from SO2 in an oxidizing atmosphere, and stores sulfur components as a sulfide in a reducing atmosphere so that emission of H2S can be restrained. And since no environmental load substance is contained, the catalyst can be used safely.Type: GrantFiled: December 1, 2005Date of Patent: June 15, 2010Assignee: Toyota Jidosha Kabushiki KaishaInventor: Hiromasa Suzuki
-
Patent number: 7713908Abstract: A method of producing a porous composite metal oxide comprising the steps of: dispersing first metal oxide powder, which is an aggregate of primary particles each with a diameter of not larger than 50 nm, in a dispersion medium by use of microbeads each with a diameter of not larger than 150 ?m, thus obtaining first metal oxide particles, which are 1 nm to 50 nm in average particle diameter, and not less than 80% by mass of which are not larger than 75 nm in diameter; dispersing and mixing up, in a dispersion medium, the first metal oxide particles and second metal oxide powder, which is an aggregate of primary particles each with a diameter of not larger than 50 nm, and which is not larger than 200 nm in average particle diameter, thus obtaining a homogeneously-dispersed solution in which the first metal oxide particles and second metal oxide particles are homogeneously dispersed; and drying the homogeneously-dispersed solution, thus obtaining a porous composite metal oxide.Type: GrantFiled: August 29, 2005Date of Patent: May 11, 2010Assignee: Kabushiki Kaisha Toyota Chuo KenkyushoInventors: Toshio Yamamoto, Akihiko Suda, Akira Morikawa, Kae Yamamura, Hirotaka Yonekura
-
Publication number: 20100112397Abstract: The present invention provides a catalyst precursor substance containing copper, zinc, and aluminum and exhibiting an X-ray diffraction pattern having a broad peak at a specific interplanar spacing d (?). The present invention also provides a method for producing the catalyst precursor substance by mixing a solution containing a copper salt, a zinc salt, and an aluminum salt with a solution containing an alkali metal hydroxide or an alkaline earth metal hydroxide, thereby forming a precipitate. In the present invention, a catalyst is prepared through calcining of the catalyst precursor; the catalyst is employed for water gas shift reaction; and carbon monoxide conversion is carried out by use of the catalyst.Type: ApplicationFiled: April 2, 2008Publication date: May 6, 2010Applicant: Idemitsu Kosan Co., LtdInventors: Kozo Takatsu, Yoshimi Kawashima, Satoshi Nakai
-
Publication number: 20100015023Abstract: The invention provides a catalyst for carbon monoxide conversion, comprising from 10 to 90% by mass of a copper oxide ingredient, from 5 to 50% by mass of a zinc oxide ingredient and from 10 to 50% by mass of an aluminum oxide ingredient, and having a specific surface area of from 100 to 300 m2/g, a carbon monoxide adsorption of from 20 to 80 ?mol/g, and a copper oxide crystallite diameter of at most 200 angstroms, as a catalyst suitable for carbon monoxide conversion for fully reducing carbon monoxide in the hydrogen gas obtained through reforming of a starting hydrocarbon material, for the purpose of enabling stable long-term operation of a fuel cell which uses hydrogen gas as a fuel and which is frequently and repeatedly started and stopped.Type: ApplicationFiled: October 10, 2007Publication date: January 21, 2010Applicant: Idemitsu Kosan Co., Ltd.Inventors: Kozo Takatsu, Yoshimi Kawashima, Satoshi Nakai, Takashi Umeki
-
Publication number: 20100012895Abstract: Chromium-free catalyst for the low-temperature conversion of carbon monoxide and water into hydrogen and carbon dioxide, which comprises a mixed oxide comprising at least copper oxide, zinc oxide and aluminum oxide, with the catalyst precursor being present essentially as hydrotalcite and the copper oxide content being not more than 20% by weight.Type: ApplicationFiled: July 19, 2007Publication date: January 21, 2010Applicant: BASF SEInventors: Stephan Hatscher, Michael Hesse, Markus Hoelzle
-
Publication number: 20100010271Abstract: The present invention provides a slurry catalyst and a method for preparing the same, and belongs to the technical field of preparing catalyst. Particularly, the present invention provides a slurry catalyst directly used in a slurry bed reactor for synthesizing methanol and dimethyl ether and a method for preparing the same, which uses the complete liquid phase preparation from solution to slurry without the conventional slurry-producing process of firstly forming a solid catalyst and dispersing it into an inert medium after crushing and milling. This catalyst mainly comprises Cu, Zn, Al and Zr, wherein atomic ratios of each of components are Cu/Zn/(Al+Zr)=1/0.1-5/0.15-15 and Zr/Al=1:1.0-1:30, and one or two selected from the group consisting of lanthanide metals, Mn, Mo, Si, V, W, Cr, Mg, Ni, K, Pd, Rh, Ru, Re, Pt and Sr is used a promoter.Type: ApplicationFiled: October 25, 2007Publication date: January 14, 2010Applicant: Taiyuan University of TechnologyInventors: Wei Huang, Zhihua Gao, Lihua Yin, Kechang Xie
-
Publication number: 20100000155Abstract: Catalyst for use in the high temperature shift reaction comprising in its active form a mixture of zinc alumina spinel and zinc oxide in combination with an alkali metal selected from the group consisting of Na, K, Rb, Cs and mixtures thereof.Type: ApplicationFiled: June 11, 2009Publication date: January 7, 2010Inventor: Niels Christian Schiodt
-
Publication number: 20090325794Abstract: The present invention relates to a process for the preparation of nanocrystalline metal oxide particles comprising the steps of a) the introduction of a starting compound into a reaction chamber by means of a carrier fluid, b) the subjecting of the starting compound in a treatment zone to a pulsating thermal treatment, c) the forming of nanocrystalline metal oxide particles, d) the removal of the nanocrystalline metal oxide particles obtained in steps b) and c) from the reactor, wherein the starting compound is introduced into the reaction chamber in the form of a solution, slurry, suspension or in solid aggregate state. Further, the present compound relates to a catalyst material, obtainable by the process according to the invention, in particular a catalyst material for use in the preparation of methanol from carbon monoxide and hydrogen.Type: ApplicationFiled: July 11, 2007Publication date: December 31, 2009Inventors: Hans Jörg Wölk, Götz Burgfels, Sigrun Polier, Gernot Polier, Astrid Polier
-
Patent number: 7638459Abstract: A layered composition which can be used in various processes has been developed. The composition comprises an inner core such as a cordierite core and an outer layer comprising a refractory inorganic oxide, a fibrous component and an inorganic binder. The refractory inorganic oxide layer can be alumina, zirconia, titania, etc. while the fibrous component can be titania fibers, silica fibers, carbon fibers, etc. The inorganic oxide binder can be alumina, silica, zirconia, etc. The layer can also contain catalytic metals such as gold and platinum plus other modifiers. The layered composition is prepared by coating the inner core with a slurry comprising the refractory inorganic oxide, fibrous component, an inorganic binder precursor and an organic binding agent such as polyvinyl alcohol. The composition can be used in various hydrocarbon conversion processes.Type: GrantFiled: May 25, 2005Date of Patent: December 29, 2009Assignee: UOP LLCInventors: Dean E. Rende, James E. Rekoske, Jeffery C. Bricker, Jeffrey L. Boike, Masao Takayama, Kouji Hara, Nobuyuki Aoi
-
Publication number: 20090314993Abstract: The present invention relates to a novel composite metal oxide catalyst, a method of making the catalyst, and a process for producing synthesis gas using the catalyst. The catalyst may be a nickel and cobalt based dual-active component composite metal oxide catalyst. The catalyst may be used to produce synthesis gas by the carbon dioxide reforming reaction of methane. The catalyst on an anhydrous basis after calcinations has the empirical formula: M a m + ? N b n + ? Al c 3 + ? Mg d 2 + ? O ( am 2 + bn 2 + 3 2 ? c + d ) Mm+ and Nn+ are two transition metals serving as dual-active components and selected from the group consisting of Ni, Co, Fe, Mn, Mo, Cu, Zn or mixtures thereof, a+b+c+d=1, and 0.001?a?0.8, 0.001?b?0.8, 0.1?c?0.99, 0.01?d?0.99.Type: ApplicationFiled: June 19, 2008Publication date: December 24, 2009Applicant: UNIVERSITY OF SASKATCHEWANInventors: Jianguo ZHANG, Hui WANG, Ajay Kumar DALAI
-
Publication number: 20090305872Abstract: Fluid catalytic cracking process comprising the steps of (a) preparing a physical 5 mixture comprising (i) aluminium trihydrate and/or flash-calcined aluminium trihydrate and (ii) a divalent metal oxide, hydroxide, carbonate, or hydroxycarbonate, (b) shaping the physical mixture of step a) to form fluidisable particles, and (c) adding the fluidisable particles obtained from step b) or step c) to a fluid catalytic cracking unit. In this FCC process, active sites of the catalyst composition are formed in-situ, i.e. in the FCC unit, without requiring peptisation, aging, or calcination steps prior to the addition of the composition to the hydrocarbon conversion unit.Type: ApplicationFiled: November 19, 2005Publication date: December 10, 2009Applicant: ALBEMARLE NETHERLANDS BVInventors: Dennis Stamires, Paul O'Connor
-
Publication number: 20090298680Abstract: An aluminum product includes an aluminum substrate, a porous alumina film formed on the aluminum substrate, and a photo-catalyst film. The alumina film has an array of pores defined on a surface thereof. The photo-catalyst film is formed on the surface of the alumina film and inner walls of the alumina film located in the pores. An exemplary method for producing the aluminum product is also provided.Type: ApplicationFiled: April 10, 2009Publication date: December 3, 2009Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: CHIEN-HAO HUANG
-
Patent number: 7598204Abstract: A reagent suitable for use as a catalyst comprises a first metal species substrate having a second reduced metal species coated thereon, the second reduced metal species being less electropositive than the first metal. Methods of manufacture are also provided.Type: GrantFiled: September 19, 2005Date of Patent: October 6, 2009Assignee: General Motors CorporationInventors: Andrew M. Mance, Tao Xie, Belabbes Merzougui
-
Patent number: 7585812Abstract: A catalyst for use in the Fischer-Tropsch process, and a method to prepare the catalyst is disclosed. The catalyst of the present invention has a higher surface area, more uniform metal distribution, and smaller metal crystallite size than Fischer-Tropsch catalysts of the prior art.Type: GrantFiled: June 20, 2008Date of Patent: September 8, 2009Assignee: Sud-Chemie Inc.Inventors: X. D. Hu, Patrick J. Loi, Robert J. O'Brien
-
Patent number: 7582202Abstract: A Composition comprising one or more metal hydroxy salts and a matrix, binder or carrier material, wherein the metal hydroxy salt is a compound comprising (a) as metal either (i) one or more divalent metals, at least one of them being selected from the group consisting of Ni, Co, Ca, Zn, Mg, Fe, and Mn, or (ii) one or more trivalent metal(s), (b) framework hydroxide, and (c) a replaceable anion. This composition has various catalytic applications.Type: GrantFiled: February 10, 2004Date of Patent: September 1, 2009Assignees: Akzo Nobel N.V., Albemarle Netherlands B.V.Inventors: William Jones, Paul O'Connor, Dennis Stamires
-
Patent number: 7582276Abstract: The invention relates to nanoscale rutile or oxide powder that is obtained by producing amorphous TiO2 by mixing an alcoholic solution with a titanium alcoholate and with an aluminum alcohalate and adding water and acid. The amorphous, aluminum-containing TiO2 is isolated by removing the solvent, and is redispersed in water in the presence of a tin salt. Thermal or hydrothermal post-processing yields rutile or oxide that can be redispersed to primary particle size. The n-rutile or the obtained oxide having a primary particle size ranging between 5 and 20 nm can be incorporated into all organic matrices so that they remain transparent. Photocatalytic activity is suppressed by lattice doping with trivalent ions. If the amorphous precursor is redispersed in alcohol, or not isolated, but immediately crystallized, an anatase is obtained that can be redispersed to primary particle size.Type: GrantFiled: August 30, 2002Date of Patent: September 1, 2009Assignee: ITN Nanovation AGInventor: Ralph Nonninger
-
Patent number: 7566393Abstract: Compounds and methods for sorbing organosulfur compounds from fluids are provided. Generally, compounds according to the present invention comprise mesoporous, nanocrystalline metal oxides. Preferred metal oxide compounds either exhibit soft Lewis acid properties or are impregnated with a material exhibiting soft Lewis acid properties. Methods according to the invention comprise contacting a fluid containing organosulfur contaminants with a mesoporous, nanocrystalline metal oxide. In a preferred embodiment, nanocrystalline metal oxide particles are formed into pellets (14) and placed inside a fuel filter housing (12) for removing organosulfur contaminants from a hydrocarbon fuel stream.Type: GrantFiled: April 26, 2005Date of Patent: July 28, 2009Assignee: NanoScale CorporationInventors: Kenneth Klabunde, Bill R. Sanford, P. Jeevanandam
-
Patent number: 7563390Abstract: The present invention provides steam reforming catalyst compositions containing Pd and Zn, and methods of steam reforming alcohols over a catalyst. Surprisingly superior results and properties of the present invention, including low temperature activity and/or low carbon monoxide output, are also described. Methods of making a steam reforming catalyst are also provided.Type: GrantFiled: March 26, 2007Date of Patent: July 21, 2009Assignee: Battelle Memorial InstituteInventors: Jamelyn D. Holladay, Yong Wang, Jianli Hu, Ya-Huei Chin, Robert A. Dagle, Guanguang Xia, Eddie G. Baker, Daniel R. Palo, Max R. Phelps, Heon Jung
-
Patent number: 7563747Abstract: The present invention relates to a catalyst comprising particles of a cobalt and zinc co-precipitate, having a volume average particle size of less than 150 ?m. Another aspect of the invention is the use of such a catalyst in a Fischer-Tropsch process. The present invention further relates to a method for preparing a catalyst comprising cobalt and zinc oxide, wherein an acidic solution comprising zinc ions and cobalt ions and a alkaline solution are contacted and the precipitate is isolated.Type: GrantFiled: April 22, 2003Date of Patent: July 21, 2009Assignee: BASF Catalysts LLCInventors: Cornelis Roeland Baijense, Tjalling Rekker
-
Publication number: 20090149324Abstract: A low temperature water gas shift catalyst containing copper, zinc, aluminum in which the aluminum component is prepared from highly dispersible alumina is disclosed.Type: ApplicationFiled: December 5, 2007Publication date: June 11, 2009Applicant: BASF CATALYSTS LLCInventors: Rostam Jal Madon, Peter Nagel
-
Patent number: 7544285Abstract: A bulk metal oxide catalyst composition of the general formula (X)b(M)c(Z)d(O)e??(I) wherein X represents at least one non-noble Group VIII metal; M represents at least one non-noble Group VIb metal; Z represents one or more elements selected from aluminium, silicon, magnesium, titanium, zirconium, boron, and zinc; one of b and c is the integer 1; and d and e and the other of b and c each are a number greater than 0 such that the molar ratio of b:c is in the range of from 0.5:1 to 5:1, the molar ratio of d:c is in the range of from 0.2:1 to 50:1, and the molar ratio of e:c is in the range of from 3.7:1 to 108:1; is prepared by controlled (co)precipitation of component metal compounds, refractory oxide material, and alkali compound in protic liquid. Resulting compositions find use in hydrotreatment processes involving particularly hydrodesulphurisation and hydrodenitrification.Type: GrantFiled: February 20, 2004Date of Patent: June 9, 2009Assignee: Shell Oil CompanyInventors: Laszlo Domokos, Hermanus Jongkind, Johannes Anthonius Robert Van Veen
-
Patent number: 7541311Abstract: A vermiculite supported catalyst for carbon monoxide (CO) preferential oxidation (PROX) is disclosed. The CO PROX catalyst comprises at least one catalytic agent, one optional modifier agent, one carrier material, and a vermiculite support. The process for preparing the vermiculite supported catalyst in this invention includes depositing first the carrier material on a vermiculite support followed by calcination to form the carrier-containing support, and wet impregnating the catalytic agent and the optional modifier agent on the carrier-containing support followed by drying and calcination to form the CO preferential oxidation catalyst.Type: GrantFiled: August 31, 2007Date of Patent: June 2, 2009Assignee: Institute of Nuclear Energy ResearchInventors: Chao-Yuh Chen, Ching-Tsuen Huang, Chi-Hung Liao, Ching-Tu Chang