Abstract: The catalyst in this present application includes a support and an active component dispersed on/in the support; wherein the support is at least one selected from inorganic oxides and the support contains macropores and mesopores; and the active component includes an active element, and the active element contains an iron group element. As a high temperature stable catalyst for methane reforming with carbon dioxide, the catalyst can be used to produce syngas, realizing the emission reduction and recycling utilization of carbon dioxide. Under atmospheric pressure and at 800° C., the supported metal catalyst with hierarchical pores shows excellent catalytic performance. In addition to high activity and good selectivity, the catalyst has high stability, high resistance to sintering and carbon deposition.
Type:
Grant
Filed:
March 15, 2017
Date of Patent:
August 31, 2021
Assignee:
FUJIAN INSTITUTE OF RESEARCH ON THE STRUCTURE OF MATTER, CHINESE ACADEMY OF SCIENCE
Abstract: Systems and methods for making ceramic powders configured with consistent, tailored characteristics and/or properties are provided herein. In some embodiments a system for making ceramic powders, includes: a reactor body having a reaction chamber and configured with a heat source to provide a hot zone along the reaction chamber; a sweep gas inlet configured to direct a sweep gas into the reaction chamber and a sweep gas outlet configured to direct an exhaust gas from the reaction chamber; a plurality of containers, within the reactor body, configured to retain at least one preform, wherein each container is configured to permit the sweep gas to flow therethrough, wherein the preform is configured to permit the sweep gas to flow there through, such that the precursor mixture is reacted in the hot zone to form a ceramic powder product having uniform properties.
Type:
Grant
Filed:
January 7, 2019
Date of Patent:
August 3, 2021
Assignee:
ALCOA USA CORP.
Inventors:
James C. McMillen, Lance M. Sworts, Benjamin D. Mosser, Charles Robert Shanta, III
Abstract: A synthesis method of a metal catalyst having carbon shell, includes: a) forming a metal-ligand complex without further chemical additives by mixing a ligand with a metal precursor; b) separating the metal-ligand complex and collecting the separated metal-ligand complex; c) supporting the collected metal-ligand complex to a support by mixing the collected metal-ligand complex with the support in a solvent; and d) treating a composite consisting of the metal-ligand complex and the support by heating.
Type:
Grant
Filed:
August 21, 2018
Date of Patent:
August 3, 2021
Assignee:
INCHEON UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION
Abstract: Nickel-based catalysts comprising silicon modified nickel (nickel silicate) are provided, as are methods for using the catalysts to i) convert methane to CO and H2 (e.g. for use in synthetic chemical compound production); or to ii) convert methane to oxygenated hydrocarbons e.g. one or more of methanol, acetone, formaldehyde, and dimethyl ether. The catalysts are bifunctional and comprise both Ni metallic catalytic sites and acidic nickel-silicon catalytic sites, and the conversions are performed under moderate reaction conditions.
Type:
Grant
Filed:
March 11, 2019
Date of Patent:
June 15, 2021
Assignee:
WASHINGTON STATE UNIVERSITY
Inventors:
Su Yun Ha, M. Grant Norton, Oscar Gerardo Marin Flores
Abstract: The invention relates to a process for producing copper-containing catalysts, in particular shaped catalyst bodies having increased mechanical strength and a low volume shrinkage, and also the shaped catalyst bodies produced by the process of the invention and the use thereof as catalysts or as precursors and components for catalysts. The catalysts of the invention are particularly suitable for the synthesis of methanol and for the low-temperature conversion of CO into CO2.
Type:
Grant
Filed:
March 19, 2015
Date of Patent:
May 25, 2021
Assignee:
Clariant International Ltd.
Inventors:
Patrick Kurr, Benjamin Kniep, Andrea Blindhuber, Verena Pritscher
Abstract: A coating material of the present invention includes an insulating resin, and dispersion particles dispersed in the insulating resin. The dispersion particle includes a core particle containing zinc oxide as a main component and having nonlinear resistance, and a resin layer covering the surface of the core particle and having an average thickness being less than or equal to 5.0 ?m. The coating material of the present invention is a coating material for coating an inner surface of a ground tank of a gas insulated switchgear.
Abstract: This invention relates to core-shell nanoparticles having acid sites, a method of manufacturing the same, and a method of directly producing hydrogen peroxide using the same.
Type:
Grant
Filed:
January 7, 2015
Date of Patent:
April 27, 2021
Assignee:
Korea University Research and Business Foundation
Inventors:
Kwan-Young Lee, Myung-gi Seo, Seongmin Kim, Ha Eun Jeong
Abstract: A pyrolyzed MOF catalyst for in the carbon dioxide reduction reaction and methods of making the catalyst. The catalysts are composed of highly porous transition metal organic frameworks exhibiting large pores with regular distribution of transition metals within the structure.
Type:
Grant
Filed:
August 29, 2017
Date of Patent:
April 13, 2021
Assignees:
UChicago Argonne, LLC, Board or Trustees of Northern Illinois University
Abstract: Alumina products containing a fine particle size component and a coarse particle size component, and with specific particle size characteristics and irregular and non-spherical particle shapes, are disclosed. These alumina products can be used in polymer formulations to produce composites having high isotropic thermal conductivity.
Abstract: There is provided a planar structural body 1 comprising a fibrous carbon nanohorn aggregate 2 in which a plurality of single-walled carbon nanohorns are aggregated in a fibrous state, and particularly the planar structural body in which a globular carbon nanohorn aggregate 3 is mixed is used. The planar structural body comprising such a fibrous carbon nanohorn aggregate can be used for electrode materials for lithium ion batteries, fuel cells, capacitors, electrochemical actuators, air cells, solar cells, and the like, and can be used also for electromagnetic shields, thermoconductive sheets, heat-dissipating sheets, protecting sheets, filters and absorbing materials.
Abstract: The present disclosure provides a method for producing an exhaust gas purifying catalyst, in which fine Rh—Pd particles exhibiting high catalytic activity are produced such that a variation in the Pd composition can be reduced. The present disclosure relates to a method for producing an exhaust gas purifying catalyst having fine composite metal particles containing Rh and Pd, comprising: preparing a starting material solution containing Rh and Pd, in which the atomic percentage of Pd to the total of Rh and Pd is 1 atomic % to 15 atomic %; and allowing the prepared starting material solution to react with a neutralizer by a super agitation reactor having a rotation number of 500 rpm or more, to generate fine composite metal particles.
Abstract: The present invention provides a catalyst product comprising of (a) porous acidic clay material and (b) binder and matrix to shape the catalyst to either microspheres, pellet, tablet, extrudate and ring and suitable for enhancing the crack-ability of heavy feed material derived from atmospheric and vacuum distillation bottoms; FCC bottoms, coker bottoms and hydrocracker bottoms. The invention particularly relates to a catalyst cum heat supply product suitable for thermal coking process either in a batch mode or continuous coking process.
Abstract: Oxidative dehydrogenation catalysts for converting lower paraffins to alkenes such as ethane to ethylene when prepared as an agglomeration, for example extruded with supports comprising slurries of Nb2O5.
Type:
Grant
Filed:
July 20, 2018
Date of Patent:
March 9, 2021
Assignee:
NOVA Chemicals (International) S.A.
Inventors:
Xiaoliang Gao, Marie Annette Barnes, Yoonhee Kim, Vasily Simanzhenkov, David Sullivan, Renee Laurel Anseeuw, Yipei Styles
Abstract: Disclosed is a method of manufacturing a membrane-electrode assembly for fuel cells. The method includes (a) admixing a metal catalyst, an ionomer and a first dispersion solvent to prepare a first admixture, (b) heat treating the first admixture prepared in (a) to form an ionomer-fixed metal catalyst, and (c) immersing the ionomer-fixed metal catalyst formed in (b) in a solvent, wherein the solvent in (c) may include one or more selected from the group consisting of ethanol, propanol, and isopropyl alcohol. The membrane-electrode assembly for fuel cells manufactured by the method may have substantially improved durability.
Type:
Grant
Filed:
September 13, 2018
Date of Patent:
February 2, 2021
Assignees:
Hyundai Motor Company, Kia Motors Corporation
Inventors:
Dae Yong Son, Yoon Hwan Cho, Jin Seong Choi, Yong Min Kim
Abstract: The present disclosure discloses the preparation and application of magnetic metallic oxide cross-linked acidic polyionic liquid, belonging to the technical field of solid acid catalysis. The catalyst prepared by the present disclosure has good Lewis acid site and Brönsted acid site, and has the characteristics of high speed, high efficiency, environment friendliness and the like when catalyzing preparation of furfural from xylose. The catalyst has the advantages of easy separation, multiple cycles of recycling and the like, and is green and pollution-free. The magnetic metal oxide cross-linked acidic polyionic liquid prepared by using the present disclosure has the characteristics of high speed, high efficiency, environment friendliness and the like when catalyzing preparation of furfural from xylose, and meanwhile, the catalyst has the advantages of easy separation, multiple cycles of recycling and the like, and is green and pollution-free.
Type:
Grant
Filed:
March 20, 2019
Date of Patent:
January 26, 2021
Assignee:
JIANGNAN UNIVERSITY
Inventors:
Haijun Wang, Chunyan Wu, Yi Huang, Wenwen Yuan
Abstract: The present disclosure relates to a method and an apparatus for manufacturing a core-shell catalyst, and more particularly, to a method and an apparatus for manufacturing a core-shell catalyst, in which a particle in the form of a core-shell in which the metal nanoparticle is coated with platinum is manufactured by substituting copper and platinum through a method of manufacturing a metal nanoparticle by emitting a laser beam to a metal ingot, and providing a particular electric potential value, and as a result, it is possible to continuously produce nanoscale uniform core-shell catalysts in large quantities.
Type:
Grant
Filed:
July 11, 2017
Date of Patent:
January 12, 2021
Assignee:
Korea Institute of Energy Research
Inventors:
Gu-Gon Park, Sun-Mi Hwang, Sung-Dae Yim, Chang-Soo Kim, Won-Yong Lee, Tae-Hyun Yang, Seok-Hee Park, Minjin Kim, Young-Jun Sohn, Byungchan Bae, Seung-Gon Kim, Dongwon Shin
Abstract: A catalytic composition is disclosed, which exhibits an X-ray amorphous oxide with a spinel formula, and crystals of ZnO, CuO, and at least one Group VIB metal oxide, and preferably, at least one acidic oxide of B, P, or Si, as well. The composition is useful in oxidative processes for removing sulfur from gaseous hydrocarbons.
Abstract: Catalysts, particularly nanocatalysts, useful for converting carbon dioxide into desired conversion products, such as sustainable chemicals and fuels. The nanocatalysts may comprise at least one nanoparticle having a main component and a secondary component, wherein at least one of the main component and the secondary component facilitates the conversion of carbon dioxide. The present disclosure also relates to methods for preparing the nanocatalysts described herein and methods of using the same.
Abstract: A unique crystalline transition metal molybdotungstate material has been developed. The material may be sulfided to generate metal sulfides which are used as a catalyst in a conversion process such as hydroprocessing. The hydroprocessing may include hydrodenitrification, hydrodesulfurization, hydrodemetallation, hydrodesilication, hydrodearomatization, hydroisomerization, hydrotreating, hydrofining, and hydrocracking.
Type:
Grant
Filed:
November 13, 2018
Date of Patent:
December 29, 2020
Inventors:
Stuart R. Miller, Susan C. Koster, John P. S. Mowat, Wharton Sinkler