Patents Examined by Sheng H Davis
  • Patent number: 9895674
    Abstract: Provided are processes of removing or sequestering a basic or an acid gas from a sample by contacting the sample with a filtration media that includes a porous zirconium hydroxide impregnated with a transition metal reactant. The resulting filtration media has the ability to remove or sequester both acid and basic gases, is stable, and highly functional so as to be useful in protective equipment or other filtration systems.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: February 20, 2018
    Assignee: The United States of America as Represented by the Secretary of the Army
    Inventors: Gregory W. Peterson, Joseph A Rossin
  • Patent number: 9895657
    Abstract: A high-efficiency method for removing sulfur and mercury of coal-fired flue gas, and an apparatus thereof. The method comprises: activating, by using water vapor, lime or Ca(OH)2 used as a sulfur removal and mercury removal absorbent and mixing the lime or Ca(OH)2 with flue gas; conveying, by using water vapor, part of a by-product to a top of a reaction tower and mixing the part of the by-product with the flue gas, so as to strengthen the sulfur removal and mercury removal effect; the flue gas entering a bag type or electric bag compound dust remover after sulfur removal and mercury removal in the reaction tower, and conveying part of the collected by-product to the reaction tower for cycle use.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: February 20, 2018
    Inventors: Fan Wang, Yu Liu, Fan Zhang, Gang Tian, Hongmei Wang
  • Patent number: 9895730
    Abstract: Methods and compositions for removing contaminants from soil and groundwater by extracting the contaminants and assisting the extraction by provision of an oxidant introduced prior to or simultaneously with a surfactant into the subsurface. Extractable contaminant can be extracted from the subsurface. The amount and/or distribution of contaminant in the subsurface can be characterized. The extracting of contaminant and the introducing of oxidant and surfactant can be coordinated to reduce contaminant to a target amount. A portion of the contaminant can be oxidizable.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: February 20, 2018
    Assignee: Ethical Solutions, LLC
    Inventors: George E. Hoag, John B. Collins, Douglas K. Anderson
  • Patent number: 9895659
    Abstract: Industrial gas streams such as flue gas streams are treated for nitrogen oxides and other contaminants in dry or semi-dry scrubbers. After the flue gas stream has been contacted with a sorbent, ozone is mixed downstream into the flue gas stream thereby oxidizing the nitrogen oxides and other contaminants. The oxidized contaminants is contacted with sorbent present in the gas stream in the remaining height or volume of the scrubber downstream of ozone injection; and The sorbent is then separated from the flue gas stream leaving the dry or semi-dry scrubber.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: February 20, 2018
    Assignee: Linde Aktiengesellschaft
    Inventor: Naresh J. Suchak
  • Patent number: 9895681
    Abstract: A process for preparing a catalytic cracking catalyst, which process comprises: a molecular sieve is introduced into a gas-phase ultra-stabilization reactor, the molecular sieve is moved without the conveying of carrier gas from a molecular sieve inlet of the gas-phase ultra-stabilization reactor to a molecular sieve outlet of the gas-phase ultra-stabilization reactor, and the molecular sieve is contacted and reacted with a gaseous SiCl4 in the gas-phase ultra-stabilization reactor, the molecular sieve resulting from the contacting and the reacting is optionally washed, then mixed with a matrix and water into slurry, and shaped into particles.
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: February 20, 2018
    Inventors: Mingde Xu, Jiexiao Zhang, Lingping Zhou, Weilin Zhang, Huiping Tian, Yuxia Zhu
  • Patent number: 9899111
    Abstract: The method for the long-term storage of waste nuclear fuel of a nuclear reactor consists in that, first, prior to the waste fuel assembly of the nuclear reactor being disposed in a steel case and the latter being hermetically sealed with a cover, a material which is chemically inert in relation to the material of the casing of the fuel elements of the waste fuel assemblies, to the material of the body of the case, to air and to water, is arranged in the steel case, the steel case is mounted in a heating device, the steel case is heated along with the material arranged in said steel case until said material passes into a liquid state, and then the waste fuel assembly which has been extracted from the nuclear reactor is arranged in the steel case in such a way that the fuel part of the fuel elements of the waste fuel assemblies is lower than the level of the liquid material in the steel case, the waste fuel assembly is fixed in this position, and the case is hermetically sealed by the cover, whereupon the herme
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: February 20, 2018
    Assignee: Joint Stock Company “AKME-Engineering”
    Inventor: Georgiy Ilich Toshinsky
  • Patent number: 9895660
    Abstract: A method is disclosed for the preparation of a metal exchanged microporous materials, e.g. metal exchanged silicoaluminophosphates or metal exchanged zeolites, or mixtures of metal exchanged microporous materials, comprising the steps of providing a dry mixture of a) one or more microporous materials that exhibit ion exchange capacity and b) one or more metal compounds; heating the mixture in a gaseous atmosphere containing ammonia and one or more oxides of nitrogen to a temperature and for a time sufficient to initiate and perform a solid state ion exchange of ions of the metal compound and ions of the microporous material; and obtaining the metal-exchanged microporous material.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: February 20, 2018
    Assignee: Haldor Topsoe A/S
    Inventors: Ton V. W. Janssens, Peter N. R. Vennestrøm
  • Patent number: 9895658
    Abstract: Provided is an air pollution control system including: a denitration apparatus; an air heater; a precipitator; a desulfurization apparatus; a dehydrator; a spray drying apparatus provided with a spray unit that is configured to spray dehydrated filtrate supplied from the dehydrator; a flue gas introduction line through which a branch gas branched from the flue gas is introduced to the spray drying apparatus; a flue gas supply line through which a flue gas from the spray drying apparatus returns to a main flue gas duct; a solid content separator that performs a solid-gas separation on solid contents contained in the flue gas; and a kneader that performs kneading and immobilizing treatment on the separated solid contents together with an immobilization aid.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: February 20, 2018
    Inventors: Toshihiro Fukuda, Seiji Kagawa, Naoyuki Kamiyama, Yoshito Tanaka, Takuro Soeda, Jun Satou, Nobuyuki Ukai
  • Patent number: 9897382
    Abstract: The present invention relates to a method for treating exhaust gases containing nitrogen oxide from technical processes, such as fume gases, for the purpose of removing or precipitationg the nitrogen oxide and/or for the purpose of reducing the nitrogen oxide content, in particular by chemically reducing the nitrogen oxide.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: February 20, 2018
    Assignee: Mehidau & Steinfath Umwelttechnik GmbH
    Inventor: Bernd Von Der Heide
  • Patent number: 9890042
    Abstract: A system for containing an emission of sulfur trioxide, the system comprising a first pressurized vessel, the first pressurized vessel containing sulfur trioxide, a relief vessel containing a volume of a solvent solution, wherein the solvent solution comprises sulfolane, and a first relief conduit providing a first route of fluid communication between the first pressurized vessel and the relief vessel. A method for containing an emission of sulfur trioxide, the method comprising routing a first relief conduit so as to provide a first route of fluid communication between a first pressurized vessel and a relief vessel, wherein the first pressurized vessel contains sulfur trioxide, wherein the relief vessel contains a volume of a solvent solution, and wherein the solvent solution comprises sulfolane.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: February 13, 2018
    Assignee: Chevron Phillips Chemical Company, LP
    Inventor: Daniel M. Hasenberg
  • Patent number: 9889437
    Abstract: Described is a selective catalytic reduction catalyst comprising a zeolitic framework material of silicon and aluminum atoms, wherein a fraction of the silicon atoms are isomorphously substituted with a tetravalent metal. The catalyst can include a promoter metal such that the catalyst effectively promotes the reaction of ammonia with nitrogen oxides to form nitrogen and H2O selectively over a temperature range of 150 to 650° C. A method for selectively reducing nitrogen oxides and an exhaust gas treatment system are also described.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: February 13, 2018
    Assignee: BASF Corporation
    Inventors: Xiaofan Yang, John K. Hochmuth
  • Patent number: 9890044
    Abstract: An argon gas recovering and purifying method including: introducing waste argon gas containing nitrogen, oxygen, and carbon monoxide from silicon single crystal manufacturing apparatus into waste argon gas storage tank; removing solid matters in pretreatment facility which removes the solid matters in waste argon gas; converting oxygen into water and converting carbon monoxide into carbon dioxide by catalytic reaction; removing the water, the carbon dioxide, and the nitrogen to obtain recovered gas, in the argon gas recovering and purifying method and an argon gas recovering and purifying apparatus, the catalytic reaction is carried out with compression heat alone by arranging a catalyst in a two-stage compressor, and the water is removed by a dryer in advance and then the nitrogen and the carbon dioxide are adsorbed and removed in an ordinary-temperature adsorption tower at the step of obtaining the recovered gas.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: February 13, 2018
    Inventors: Hideaki Matsushima, Ichiro Onozawa, Wataru Yajima
  • Patent number: 9889404
    Abstract: Capturing at least one heavy metal, from mercury and arsenic, contained in a moist gas comprising water vapor, by the following steps: a) heating the moist gas by heat exchange with a compressed heat transfer fluid obtained in step e) in order to obtain a condensed heat transfer fluid and a gas reheated to a temperature Tc; b) bringing the reheated gas into contact with a heavy metal capture mass in order to obtain a gas depleted in heavy metal; c) decompressing the cooled heat transfer fluid; d) cooling the gas depleted in heavy metal by heat exchange with the heat transfer fluid produced in step c) in order to obtain a cooled gas at a temperature Tf, the heat transfer fluid being vaporized; e) compressing the vaporized heat transfer fluid in a manner such as to obtain a compressed heat transfer fluid, the compressed heat transfer fluid being recycled.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: February 13, 2018
    Inventors: Florent Guillou, Fabien Porcheron, Karin Barthelet, Arnaud Baudot, Yann Lepine, Clotilde Jubin
  • Patent number: 9803512
    Abstract: A reactor system includes a fluidized-bed. A fuel and a sulfur absorbent material are eluted through the fluidized-bed. The reactor system may include a heat exchanger having a heat-exchanging portion within a heating zone of the reactor that is hermetically sealed from the heating zone. The reactor may include loose particles of an inert bed material for forming the fluidized-bed. A feed system may be provided to inject a solid fuel composite that includes a mixture of a solid, carbonaceous fuel and a solid reagent into the reactor.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: October 31, 2017
    Assignee: Gas Technology Institute
    Inventors: Albert E. Stewart, Ganesan Subbaraman, Jeffrey A. Mays, James A. Hartung
  • Patent number: 9802831
    Abstract: Provided is a method for preparing a zeolite having a Si/Al ratio of at least 10 by interzeolite transformation in the absence of an organic structure directing agent. The method is more cost effective and less equipment intensive as it eliminates the costly organic structure directing agent and the waste treatment at the plant.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: October 31, 2017
    Assignees: Chevron U.S.A. Inc., The Regents of the University of California
    Inventors: Sarika Goel, Stacey Ian Zones, Enrique Iglesia
  • Patent number: 9782721
    Abstract: Systems and methods of continuous operation of a urea-SCR system at low temperatures (200-350° C.) in the presence of high SOx containing flue gas are described. The methods comprise introducing a solution of urea and an NO2 forming compound, preferably an alkaline earth metal nitrate, into an exhaust stream before the exhaust stream contacts an SCR catalyst.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: October 10, 2017
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Rodney Foo, Rainer Leppelt, Joerg Werner Muench, Ralf Dotzel, Maria Brandmair
  • Patent number: 9770742
    Abstract: An object to be decontaminated contaminated with radioactive material is introduced into an acid eluting solvent to dissolve the radioactive material. The radioactive material dissolved is concentrated and separated from the eluting solvent in the present method. The object to be decontaminated comprises contaminated soil and contaminated liquid. One or both of the contaminated soil and the contaminated liquid are collected and introduced into the eluting solvent. The radioactive materials and the object to be decontaminated dissolved in the eluting solvent are separated into solid and liquid. The decontaminated soil separated from the eluting solvent is collected. The eluting solvent used for separating the radioactive material and in which radioactive material is dissolved is concentrated.
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: September 26, 2017
    Assignees: Morita Miyata Corporation
    Inventors: Hideo Yoshida, Yasuhiro Suyama
  • Patent number: 9765269
    Abstract: The present invention provides integrated bunker storage systems for waste streams based on the composition and characteristics of waste stream. In particular, the present invention provides a process for generating individual waste streams based on a set of material characteristics. According to the system and method of the present invention, individual waste streams from wastes stored in bunkers are mixed in a given feed ratio to generate a food stock that will produce a desired output from a chemical conversion process, e.g., gasification. Optionally, composition data regarding the fed stock can be certified to a third party.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: September 19, 2017
    Assignee: Accordant Energy, LLC
    Inventors: James W. Bohlig, Douglas R. Casella
  • Patent number: 9764282
    Abstract: An aftertreatment component for use in an exhaust aftertreatment system. The aftertreatment component comprises an aftertreatment substrate and a compressible material. The compressible material may be formed from a plastic thermoset, a rubberized material, or a metal foil which permits for the selective expansion of the substrate within the compressible material, while also reducing cost and manufacturing complexity. In various embodiments, the aftertreatment substrate and the compressible materials may be formed separately and coupled to each other, or they may be formed concurrently via coextrusion.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: September 19, 2017
    Assignee: Cummins Emission Solutions Inc.
    Inventors: Matthew Anderson, Arpad Somogyvari
  • Patent number: 9764313
    Abstract: Described is a selective catalytic reduction material comprising a spherical particle including an agglomeration of crystals of a molecular sieve. The catalyst is a crystalline material that is effective to catalyze the selective catalytic reduction of nitrogen oxides in the presence of a reductant at temperatures between 200° C. and 600° C. A method for selectively reducing nitrogen oxides and an exhaust gas treatment system are also described.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: September 19, 2017
    Assignee: BASF Corporation
    Inventors: Natalia Trukhan, Ulrich Müller, Michael Breen, Barbara Slawski, Qi Fu, Jaya L. Mohanan, Martin W. Kraus, Ahmad Moini, Xiaofan Yang, John K. Hochmuth