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Arrangement for energy recovery in the pure-gas outlet of a centrifugal separator
Patent number: 3972698
Abstract: An arrangement for improved energy recovery in the pure gas outlet of a centrifugal separator which includes a cylindrical centrifugal chamber with a coaxial raw gas inlet at one end and a coaxial pure gas outlet at the other end and which is equipped with tangential auxiliary gas inlets in the region of the periphery of the centrifugal chamber inclined at an angle with respect to the raw gas outlet with a particle outlet concentrically surrounding the raw gas inlet, in which the pure gas outlet is conically flared and opens with its larger end into a cylindrical, closed ring chamber which includes a cover plate opposite the open outlet tube. A radially extending plate of a diameter smaller than that of the cylindrical ring chamber is attached to the larger, open end of the conical outlet tube and an aerodynamic body in the shape of a circular cone protrudes from the cover plate into the opened conical outlet tube.
Type: Grant
Filed: August 8, 1974
Date of Patent: August 3, 1976
Assignee: Siemens Aktiengesellschaft
Inventors: Heinrich Klein, Rudolf Pieper
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Recovery of free aluminum from aluminum dross using plasma energy without use of a salt flux
Patent number: 4997476
Abstract: A process for recovering free aluminum and aluminum compounds such as aluminum oxide from aluminum dross in a rotary furnace heated with a plasma arc torch wherein air is preferably utilized as the arc gas is described. The use of the rotary furnace heated with plasma energy eliminates the need for a salt flux, providing a process which is ecologically safe and cost effective. A process of converting non-metallic aluminum compounds to substantially pure aluminum oxides by heating the compounds with a plasma torch operating with an oxidizing gas as the plasma torch arc gas is also described.
Type: Grant
Filed: September 18, 1989
Date of Patent: March 5, 1991
Assignee: Plasma Energy Corporation
Inventors: Richard D. Lindsay, Jack L. Dochterman, David L. Cheek, Robert L. Kirkland
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Process for forming one or more substantially pure layers in substrate material using ion implantation
Patent number: 4976987
Abstract: A process is disclosed for forming a substantially pure layer of an implantable element in a substrate material by (a) selecting an implantable element and a substrate material to be implanted which, at the temperatures to be used, have limited mutual solubility in one another and do not form any intermediate phases with one another; (b) implanting a sufficient amount of the implantable element in the substrate material to permit formation of the desired substantially pure layer of the implantable element in the substrate material; and (c) annealing the implanted substrate material to form the desired layer. The annealing step may not be required if the desired layer was formed during the implantation.
Type: Grant
Filed: August 10, 1989
Date of Patent: December 11, 1990
Assignee: The United States of America as represented by the Department of Energy
Inventors: Ronald G. Musket, David W. Brown, Zuhair A. Munir
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Pure phase ?/?' iron carbide catalyst for Fischer-Tropsch synthesis reaction, preparation method thereof and Fischer-Tropsch synthesis process
Patent number: 11471872
Abstract: The present disclosure relates to the field of Fischer-Tropsch synthesis reaction catalysts, and discloses a pure phase ?/?? iron carbide catalyst for Fischer-Tropsch synthesis reaction, a preparation method thereof and a Fischer-Tropsch synthesis process, wherein the method comprises the following steps: (1) subjecting the nanometer iron powder or a nano-powder iron compound capable of obtaining the nanometer iron powder through in-situ reduction and H2 to a surface purification treatment at the temperature of 250-510° C.; (2) pretreating the material obtained in the step (1) with H2 and CO at the temperature of 80-180° C., wherein the molar ratio of H2/CO is 1.2-2.8:1; (3) carrying out carbide preparation with the material obtained in the step (2), H2 and CO at the temperature of 180-280° C., wherein the molar ratio of H2/CO is 1.0-3.0:1.
Type: Grant
Filed: June 21, 2018
Date of Patent: October 18, 2022
Assignees: China Energy Investment Corporation Limited, National Institute of Clean-and-Low-Carbon Energy
Inventors: Peng Wang, Yijun Lv, Kui Zhagn, Fuguo Jiang, Zhuowu Men, Tao Wang, Qi Sun, Ping Miao
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Process for the production of pure burnt lime
Patent number: 4548796
Abstract: The subject of the invention is a process for the production of pure burnt lime using gaseous fuels produced from energy carriers, in particular industrial wastes, wherein the energy carriers are gasified in an installation consisting of a fluidized bed and a cyclone, and the noxious substances released during the thermal decomposition are separated off by means of adsorbents, before they come into contact with the lime being burned.
Type: Grant
Filed: July 11, 1983
Date of Patent: October 22, 1985
Assignee: SKW Trostberg A.G.
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Process and installation for the combined production of synthetic ammonia and pure hydrogen
Patent number: 5409684
Abstract: Process and apparatus for the combined production of ammonia synthesis gas and pure hydrogen. There is withdrawn (at 21) a flow of synthesis gas which is first treated in a permeation unit (24) with the return (at 28) of the non-permeated gas, while the permeate (32)is treated by adsorption (34) (35) (36), which permits producing (in 57) very pure hydrogen. The process has a high energy efficiency.
Type: Grant
Filed: June 7, 1993
Date of Patent: April 25, 1995
Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
Inventor: Francois Fuentes
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Process for forming one or more substantially pure layers in substrate material using ion implantation
Patent number: 5124174
Abstract: A process is disclosed for forming a substantially pure monocrystalline layer of an implantable element in a monocrystalline substrate material by (a) selecting an implantable element and a monocrystalline substrate material to be implanted which, at the temperatures to be used, have limited mutual solubility in one another and do not form any intermediate phases with one another; (b) implanting a sufficient amount of the implantable element in the substrate material to permit formation of the desired substantially pure layer of the implantable element in the substrate material; and (c) annealing the implanted substrate material to form the desired layer. The annealing step may not be required if the desired layer was formed during the implantation.Also disclosed is an article made by the process.
Type: Grant
Filed: December 11, 1990
Date of Patent: June 23, 1992
Assignee: The United States of America as represented by the United States Department of Energy
Inventors: Ronald G. Musket, David W. Brown, Zuhair A. Munir
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Enantioselective synthesis of L-(-)-4- boronophenylalanine (L-BPA)
Patent number: 5157149
Abstract: A method of making substantially pure L-BPA is disclosed. The method includes the steps of reacting 4-bromobenzaldehyde with ethylene glycol to form 4-bromobenzaldehyde ethylene glycol acetal, sequentially reacting 4-bromobenzaldehyde ethyleneglycol acetal with Mg to produce the Grignard reagent and thereafter reacting with tributyl borate and then converting to an acid environment to form 4-boronobenzaldehyde, reacting 4-boronobenzaldehyde with diethanol amine to form 4-boronobenzaldehyde diethanolamine ester, condensing the 4-boronobenzaldehyde diethanolamine ester with 2-phenyl-2-oxazolin-5-one to form an azlactone, reacting the azlactone with an alkali metal hydroxide to form z-.alpha.-benzoylamino-4-boronocinnamic acid, asymmetrically hydrogenating the z-.alpha.
Type: Grant
Filed: June 4, 1991
Date of Patent: October 20, 1992
Assignee: The United States of America as represented by the United States Department of Energy
Inventor: Edward G. Samsel
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Pure silver ohmic contacts to N- and P- type gallium arsenide materials
Patent number: 4564720
Abstract: Disclosed is an improved process for manufacturing gallium arsenide semiconductor devices having as its components an n-type gallium arsenide substrate layer and a p-type gallium arsenide diffused layer. The improved process comprises forming a pure silver ohmic contact to both the diffused layer and the substrate layer, wherein the n-type layer comprises a substantially low doping carrier concentration.
Type: Grant
Filed: May 13, 1983
Date of Patent: January 14, 1986
Assignee: The United States of America as represented by the United States Department of Energy
Inventor: Stephen J. Hogan
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Compounds having energy transfer function and method for DNA base sequencing by using the same
Patent number: 6482938
Abstract: Disclosed are compounds having two kinds of reporters that can be a donor and an acceptor for energy transfer, for example, fluorescent groups, and having a 2′, 3′-dideoxyribonucleotide residue or a 3′-deoxyribonucleotide residue. These compounds can be used as terminators for the chain terminator method. The two kinds of reporters are arranged with a distance sufficient for causing energy transfer from the donor to the acceptor. Also disclosed are methods for determining DNA sequences based on the chain terminator method wherein the chain termination reaction is performed by using the above terminators. Also disclosed are compounds having two kinds of reporters that can be a donor and an acceptor for energy transfer, which can be used as a primer or an initiator in methods for determining DNA sequences utilizing the chain terminator method, and methods for determining DNA sequences utilizing the compounds.
Type: Grant
Filed: September 17, 1999
Date of Patent: November 19, 2002
Assignees: Wako Pure Chemical Industries, Ltd., The Institute of Physical & Chemical Research
Inventors: Yoshihide Hayashizaki, Takumi Tanaka
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Energy transmission optical fiber
Patent number: 4893896
Abstract: The present invention relates to an energy transmission optical fiber which is a medium for transmitting high-energy beams within an ultraviolet range such as laser beams. Since an optical fiber according to the present invention comprises a core formed of pure silica and a clad having a graded index type distribution of refractive index and said clad is disposed on an interface between the core and the clad where many structural defects are generated, the transmission loss is not increased even after the transmission of high-energy beams for a long time. In addition, since the optical fiber according to the present invention comprises the core formed of pure silica having a high melting point, the high-energy beams can be transmitted without generating a melting fracture in the core.
Type: Grant
Filed: July 8, 1988
Date of Patent: January 16, 1990
Assignee: Mitsubishi Cable Industries, Ltd.
Inventors: Hiroyuki Tanaka, Takeshi Satake, Toshikazu Gozen, Toshiya Suzuki, Atsushi Utsumi
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Process for producing silicon
Patent number: 4448651
Abstract: A process for producing silicon includes forming an alloy of copper and silicon and positioning the alloy in a dried, molten salt electrolyte to form a solid anode structure therein. An electrically conductive cathode is placed in the electrolyte for plating silicon thereon. The electrolyte is then purified to remove dissolved oxides. Finally, an electrical potential is applied between the anode and cathode in an amount sufficient to form substantially pure silicon on the cathode in the form of substantially dense, coherent deposits.
Type: Grant
Filed: June 10, 1982
Date of Patent: May 15, 1984
Assignee: The United States of America as represented by the United States Department of Energy
Inventors: Jerry M. Olson, Karen L. Carleton
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Preparation of 1,3,5-triamino-2,4,6-trinitrobenzene of submicron particle size
Patent number: 6310253
Abstract: A method is disclosed for the preparation of very small particle size, relatively pure 1,3,5-triamino-2,4,6-trinitrobenzene (TATB). Particles of TATB prepared according to the disclosed method are of submicron size and have a surface area in the range from about 3.8 to 27 square meters per gram.
Type: Grant
Filed: May 22, 1985
Date of Patent: October 30, 2001
Assignee: The United States of America as represented by the Departmentof Energy
Inventors: Lester P. Rigdon, Gordon L. Moody, Raymond R. McGuire
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RF Sputtering for preparing substantially pure amorphous silicon monohydride
Patent number: 4353788
Abstract: A process for controlling the dihydride and monohydride bond densities in hydrogenated amorphous silicon produced by reactive rf sputtering of an amorphous silicon target. There is provided a chamber with an amorphous silicon target and a substrate therein with the substrate and the target positioned such that when rf power is applied to the target the substrate is in contact with the sputtering plasma produced thereby. Hydrogen and argon are fed to the chamber and the pressure is reduced in the chamber to a value sufficient to maintain a sputtering plasma therein, and then rf power is applied to the silicon target to provide a power density in the range of from about 7 watts per square inch to about 22 watts per square inch to sputter an amorphous silicon hydride onto the substrate, the dihydride bond density decreasing with an increase in the rf power density. Substantially pure monohydride films may be produced.
Type: Grant
Filed: August 26, 1980
Date of Patent: October 12, 1982
Assignee: The United States of America as represented by the United States Department of Energy
Inventors: Frank R. Jeffrey, Howard R. Shanks
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Method for heating a furnace
Patent number: 6283747
Abstract: The invention relates to a method for heating a furnace comprising at least one burner capable of operating on an oxidant the oxygen content of which can vary; in a first period (P1) the burner is supplied with practically pure oxygen so as to provide a large amount of energy for heating, in a second period (P2) the burner is supplied with an oxidant, the oxygen content of which can vary between about 100% and 21%, in a third period (P3), the burner is supplied with an oxidant, the oxygen content of which is minimal, and which corresponds to a pilot period which requires only a small amount of heating energy. This method makes it possible to optimize the use of the furnace according to the desired thermal performance and oxidant operating costs.
Type: Grant
Filed: September 20, 1999
Date of Patent: September 4, 2001
Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitationdes Procedes Georges Claude
Inventors: Thierry Legiret, Gérard Le Gouefflec, Thierry Borissoff, Olivier Charon
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Optical emission spectroscopy qualitative and quantitative analysis method
Patent number: 8082111
Abstract: The invention relates to a method for the qualitative and quantitative analysis of samples by optical emission spectroscopy with laser excitation (18), using a database created on single-element aqueous solutions all having the same pure element concentration, this database containing, for each element, the wavelengths of the emission lines and their respective intensities.
Type: Grant
Filed: October 5, 2006
Date of Patent: December 20, 2011
Assignee: Commissariat a l'Energie Atomique et Aux Energies Alternatives
Inventor: Pascal Fichet
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Method for forming diamondlike carbon coating
Patent number: 5192523
Abstract: A method of depositing a diamondlike carbon coating on a substrate. An ionized beam of pure methane or methane and hydrogen, and having an ion kinetic energy in the range of 500-1,000 eV is impinged on a substrate to deposit, thereon, a diamondlike carbon coating. Various substrates can be utilized, and various cleaning procedures are developed for use with the particular substrates to improve the adhesion of the diamondlike carbon coatings. The methane-hydrogen ratio and the operating pressure of the ionized gas can each be varied to vary the carbon-hydrogen ratio of the resulting diamondlike coating to thereby alter the characteristics of the coating.
Type: Grant
Filed: May 28, 1991
Date of Patent: March 9, 1993
Assignee: Universal Energy Systems, Inc.
Inventors: Richard L. Wu, Peter P. Pronko
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Reduced-Emission Gasification and Oxidation of Hydrocarbon Materials for Liquid Fuel Production
Publication number: 20080275278
Abstract: A system and process are disclosed for the controlled combustion of a wide variety of hydrocarbon feedstocks to produce thermal energy, liquid fuels, and other valuable products with little or no emissions. The hydrocarbon feeds, such as coal and biomass, are first gasified and then oxidized in a two-chamber system/process using pure oxygen rather than ambient air. A portion of the intermediate gases generated in the system/process are sent to a Fischer-Tropsch synthesis process for conversion into diesel fuel and other desired liquid hydrocarbons. The remaining intermediate gases are circulated and recycled through each of the gasification/oxidation chambers in order to maximize energy production. The energy produced through the system/process is used to generate steam and produce power through conventional steam turbine technology.
Type: Application
Filed: May 5, 2008
Publication date: November 6, 2008
Inventor: Steve L. Clark
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System for the suppression of noise and its variations for the detection of a pure signal in a measured noisy discrete signal
Patent number: 4942546
Abstract: A system applicable to the detection of particle radiation for the suppression of noise and its variations for the detection of a pure signal in a measured noisy discrete signal detects events appearing in a predetermined energy window. It carries out a count N.sub.2 for a time .DELTA.T.sub.s and a count N.sub.3 for a time .DELTA.T.sub.b, in which .DELTA.T.sub.b =q..DELTA.T.sub.s and q is a positive number, during which no event corresponding to the expected pure signal is present. It then evaluates the information supplied by counts N.sub.2, N.sub.3 for the chosen value of the coefficient q, or the associated false detection probability, by comparison with at least one information threshold I.sub.m, each threshold being associated with a predetermined false detection level. Comparison takes place indirectly as a function of the probability and uses tabulated values.
Type: Grant
Filed: September 19, 1988
Date of Patent: July 17, 1990
Assignee: Commissariat a l'Energie Atomique
Inventor: Michel Rambaut
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Battery charger for cylindrical batteries
Patent number: D376128
Type: Grant
Filed: May 9, 1994
Date of Patent: December 3, 1996
Assignee: Pure Energy Battery Corporation
Inventor: Robert Flack
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References
- https://livingsafelyrecalls.wordpress.com/2024/06/24/food-recall-tk-maxx-homesense-kintra-foods-organic-teas/
- https://www.eatingwell.com/the-7-best-sale-items-at-costco-in-june-8666684
- https://patents.justia.com/search?q=pure+energy+l.l.l.
- https://www.frontiersin.org/journals/aging/articles/10.3389/fragi.2023.1212750/full
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