Patents by Inventor Rachid Taha
Rachid Taha has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11345978Abstract: A system for recovering rare earth elements from coal ash includes a leaching reactor, an ash dryer downstream of the leaching reactor, and a roaster downstream of the ash dryer that is cooperatively connected to both the leaching reactor and the ash dryer. Coal ash is mixed with an acid stream such that rare earth elements present in the coal ash are dissolved in the acid stream, thereby creating (i) a leachate containing the rare earth elements and (ii) leached ash. The leachate is heated to obtain acid vapor and an acid-soluble rare earth concentrate. Mixing of the coal ash with the acid stream can occur in a leaching reactor and heating of the leachate can occur in a roaster. The acid-soluble rare earth concentrate can be fed to a hydrometallurgical process to separate and purify the rare earth elements.Type: GrantFiled: August 15, 2019Date of Patent: May 31, 2022Assignee: Battelle Memorial InstituteInventors: Rick Peterson, Michael Heinrichs, Vinay V. Gadkari, Rachid Taha, Slawomir Winecki, Darwin Argumedo
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Patent number: 11279988Abstract: Methods of recovering rare earth elements, vanadium, cobalt, or lithium from coal are described. The coal is dissolved in a first solvent to dissolve organic material in the coal and create a slurry containing coal ash enriched with rare earth elements, vanadium, cobalt, or lithium. The enriched coal ash is separated from the first solvent. Residual organic material is removed from the coal ash. The rare earth elements, vanadium, cobalt, or lithium can then be recovered from the coal ash. The coal ash is mixed with an acid stream that dissolves the rare earth elements, thereby creating (i) a leachate containing the rare earth elements and (ii) leached ash. The leachate is heated to obtain acid vapor and an acid-soluble rare earth concentrate. The acid-soluble rare earth concentrate can be fed to a hydrometallurgical process to separate and purify the rare earth elements.Type: GrantFiled: August 15, 2019Date of Patent: March 22, 2022Assignee: Battelle Memorial InstituteInventors: Rick Peterson, Michael Heinrichs, Vinay V. Gadkari, Rachid Taha, Slawomir Winecki, Darwin Argumedo
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Patent number: 10844460Abstract: A method of making a zeolite comprises: adding a zeolite seed to a leach solution containing silicon and aluminum; and heating the leach solution to obtain the zeolite. The leach solution can be made by mixing coal ash with a basic stream, thereby creating (i) a leach solution containing silicon and aluminum, and (ii) leached ash; and separating the leach solution from the leached ash.Type: GrantFiled: August 15, 2019Date of Patent: November 24, 2020Assignee: Battelle Memorial InstituteInventors: Rick Peterson, Michael Heinrichs, Vinay V. Gadkari, Rachid Taha, Slawomir Winecki, Darwin Argumedo
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Patent number: 10626482Abstract: A system for recovering rare earth elements from coal ash includes a leaching reactor, an ash dryer downstream of the leaching reactor, and a roaster downstream of the ash dryer that is cooperatively connected to both the leaching reactor and the ash dryer. Coal ash is mixed with an acid stream such that rare earth elements present in the coal ash are dissolved in the acid stream, thereby creating (i) a leachate containing the rare earth elements and (ii) leached ash. The leachate is heated to obtain acid vapor and an acid-soluble rare earth concentrate. Mixing of the coal ash with the acid stream can occur in a leaching reactor and heating of the leachate can occur in a roaster. The acid-soluble rare earth concentrate can be fed to a hydrometallurgical process to separate and purify the rare earth elements.Type: GrantFiled: June 8, 2017Date of Patent: April 21, 2020Assignee: BATTELLE MEMORIAL INSTITUTEInventors: Rick Peterson, Michael Heinrichs, Vinay V. Gadkari, Rachid Taha, Slawomir Winecki, Darwin Argumedo
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Publication number: 20200002785Abstract: Methods of recovering rare earth elements, vanadium, cobalt, or lithium from coal are described. The coal is dissolved in a first solvent to dissolve organic material in the coal and create a slurry containing coal ash enriched with rare earth elements, vanadium, cobalt, or lithium. The enriched coal ash is separated from the first solvent. Residual organic material is removed from the coal ash. The rare earth elements, vanadium, cobalt, or lithium can then be recovered from the coal ash. The coal ash is mixed with an acid stream that dissolves the rare earth elements, thereby creating (i) a leachate containing the rare earth elements and (ii) leached ash. The leachate is heated to obtain acid vapor and an acid-soluble rare earth concentrate. The acid-soluble rare earth concentrate can be fed to a hydrometallurgical process to separate and purify the rare earth elements.Type: ApplicationFiled: August 15, 2019Publication date: January 2, 2020Inventors: Rick Peterson, Michael Heinrichs, Vinay V. Gadkari, Rachid Taha, Slawomir Winecki, Darwin Argumendo
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Publication number: 20200002784Abstract: A system for recovering rare earth elements from coal ash includes a leaching reactor, an ash dryer downstream of the leaching reactor, and a roaster downstream of the ash dryer that is cooperatively connected to both the leaching reactor and the ash dryer. Coal ash is mixed with an acid stream such that rare earth elements present in the coal ash are dissolved in the acid stream, thereby creating (i) a leachate containing the rare earth elements and (ii) leached ash. The leachate is heated to obtain acid vapor and an acid-soluble rare earth concentrate. Mixing of the coal ash with the acid stream can occur in a leaching reactor and heating of the leachate can occur in a roaster. The acid-soluble rare earth concentrate can be fed to a hydrometallurgical process to separate and purify the rare earth elements.Type: ApplicationFiled: August 15, 2019Publication date: January 2, 2020Inventors: Rick Peterson, Michael Heinrichs, Vinay V. Gadkari, Rachid Taha, Slawomir Winecki, Darwin Argumedo
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Publication number: 20190368004Abstract: A method of making a zeolite comprises: adding a zeolite seed to a leach solution containing silicon and aluminum; and heating the leach solution to obtain the zeolite. The leach solution can be made by mixing coal ash with a basic stream, thereby creating (i) a leach solution containing silicon and aluminum, and (ii) leached ash; and separating the leach solution from the leached ash.Type: ApplicationFiled: August 15, 2019Publication date: December 5, 2019Inventors: Rick Peterson, Michael Heinrichs, Vinay V. Gadkari, Rachid Taha, Slawomir Winecki, Darwin Argumedo
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Patent number: 10335759Abstract: The invention providing methods of loading and unloading particulate from microchannels in apparatus that contains multiple microchannels, typically apparatus that is designed to operate with hundreds or thousands of particulate-containing microchannels. Aligning a sonicating head at one end of a set of microchannels provides a particularly effective mode for densifying particulate in microchannels.Type: GrantFiled: November 5, 2008Date of Patent: July 2, 2019Assignee: Velocys, Inc.Inventors: Jeffrey J. Ramler, Anna Lee Tonkovich, Rachid Taha, Kai Jarosch, Robert J. Luzenski, Jeffery D. Slane, Thomas Hickey, Sean Fitzgerald, Harley D. Freeman, Frederick A. Zenz
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Publication number: 20180298293Abstract: Multifunctional catalysts are used to prepare modified bio-oils with improved characteristics. Bio-oil vapor phase, e.g., produced by pyrolysis of biomass, is contacted with a multifunctional catalyst. The multifunctional catalyst catalyzes a plurality of distinct reactions of the bio-oil vapor phase to produce a modified bio-oil.Type: ApplicationFiled: October 20, 2015Publication date: October 18, 2018Inventors: Zia Abdullah, Rachid Taha, Stephanie Flamberg, Michael A. O'Brian
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Publication number: 20170356067Abstract: A system for recovering rare earth elements from coal ash includes a leaching reactor, an ash dryer downstream of the leaching reactor, and a roaster downstream of the ash dryer that is cooperatively connected to both the leaching reactor and the ash dryer. Coal ash is mixed with an acid stream such that rare earth elements present in the coal ash are dissolved in the acid stream, thereby creating (i) a leachate containing the rare earth elements and (ii) leached ash. The leachate is heated to obtain acid vapor and an acid-soluble rare earth concentrate. Mixing of the coal ash with the acid stream can occur in a leaching reactor and heating of the leachate can occur in a roaster. The acid-soluble rare earth concentrate can be fed to a hydrometallurgical process to separate and purify the rare earth elements.Type: ApplicationFiled: June 8, 2017Publication date: December 14, 2017Inventors: Rick Peterson, Michael Heinrichs, Vinay V. Gadkari, Rachid Taha, Slawomir Winecki, Darwin Argumedo
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Publication number: 20170189877Abstract: A dual bed pyrolysis system may include a falling bed reactor employing a heat carrier particulate to pyrolyze biomass to create a pyrolysis product and a pyrolysis waste product. The dual bed pyrolysis system may also include a fluidized bed reactor. The fluidized bed reactor may accept the pyrolysis waste product including char and heat carrier particulate from the falling bed reactor. The fluidized bed reactor may combust the char in the presence of the heat carrier particulate. The fluidized bed reactor may combust the char to reheat the heat carrier particulate. The reheated heat carrier particulate may be provided to the falling bed reactor to pyrolyze biomass to create a pyrolysis product and a pyrolysis waste product.Type: ApplicationFiled: May 22, 2015Publication date: July 6, 2017Inventors: Zia Abdullah, Michael A. O'Brian, Slawomir Winecki, Rachid Taha
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Publication number: 20160257889Abstract: Described are methods and systems for preparing stabilized bio-oil suitable for subsequent hydrotreatment and forming a hydrocarbon product from a stabilized bio-oil. For example, preparing stabilized bio-oil suitable for subsequent hydrotreatment may include filtering bio-oil effective to remove at least a portion of particles having an effective particulate diameter greater than about 10 micrometers; treating the bio-oil effective to remove at least a portion of inorganic species from the bio-oil; and catalytically stabilizing the bio-oil to provide the stabilized bio-oil suitable for subsequent hydrotreatment. Forming a hydrocarbon product from a stabilized bio-oil may include hydrotreating the stabilized bio-oil by, for example, contacting the stabilized bio-oil to a hydrotreatment catalyst in the presence of hydrogen, thereby providing the hydrocarbon product. Also included are stabilized bio-oil and hydrocarbon products derived therefrom.Type: ApplicationFiled: March 5, 2016Publication date: September 8, 2016Inventors: Zia Abdullah, Rachid Taha, Daniel Garbark, Huamin Wang, Guo-Shuh J. Lee
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Publication number: 20160168475Abstract: Systems, methods, and apparatuses are provided for upgrading a bio-oil by reaction with an olefin in the presence of a catalyst. For example, upgraded bio-oil may have improved miscibility with hydrophobic fuels.Type: ApplicationFiled: July 8, 2014Publication date: June 16, 2016Inventors: Zia Abdullah, Herman P. Benecke, Daniel B. Garbark, Rachid Taha
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Publication number: 20160032196Abstract: Vapor phase catalytic reactors and methods for using the same for upgrade of fuels produced by fast pyrolysis of biomass are disclosed.Type: ApplicationFiled: March 15, 2014Publication date: February 4, 2016Inventors: Zia Abdullah, Slawomir Winecki, G. Bradley Chadwell, Michael A. O'Brian, Russell K. Smith, Stephanie Flamberg, James E. Dvorsky, Rachid Taha, James E. Mathis, Herman P. Benecke, Daniel B. Garbark
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Publication number: 20140217328Abstract: Novel methods of electroless plating are described. Catalyst coatings can be applied within microchannel apparatus. Various reactions, including combustion and steam reforming, can be conducted over electroless catalyst coatings.Type: ApplicationFiled: February 10, 2014Publication date: August 7, 2014Inventors: Francis P. Daly, Richard Q. Long, Barry Lee-Mean Yang, Terry J. Mazanec, Rachid Taha, Junko Ida
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Patent number: 8747805Abstract: The disclosed invention relates to a process for conducting an equilibrium limited chemical reaction in a microchannel reactor. The process involves the use of active heat exchange and is suitable for conducting exothermic and endothermic reactions. The process is particularly suitable for synthesizing methanol and dimethyl ether.Type: GrantFiled: February 11, 2004Date of Patent: June 10, 2014Assignee: Velocys, Inc.Inventors: Anna Lee Tonkovich, Kai Tod Paul Jarosch, Terry Mazanec, Francis P. Daly, Rachid Taha, Enrique Aceves de Alba
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Patent number: 8648006Abstract: Novel methods of electroless plating are described. Catalyst coatings can be applied within microchannel apparatus. Various reactions, including combustion and steam reforming, can be conducted over electroless catalyst coatings.Type: GrantFiled: October 13, 2006Date of Patent: February 11, 2014Assignee: Velocys, Inc.Inventors: Francis P. Daly, Richard Long, Junko Ida, Rachid Taha, Terry Mazanec, Barry L. Yang
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Patent number: 8569202Abstract: The present invention provides catalysts, reactors, and methods of steam reforming over a catalyst. Surprisingly superior results and properties obtained in methods and catalysts of the present invention are also described. For example, a coated catalyst was demonstrated to be highly stable under steam reforming conditions (high temperature and high pressure of steam). Methods of making steam reforming catalysts are also described.Type: GrantFiled: October 1, 2012Date of Patent: October 29, 2013Assignee: Velocys Corp.Inventors: Junko M. Watson, Francis P. Daly, Yong Wang, Steven T. Perry, Anna Lee Tonkovich, Sean P. Fitzgerald, Laura J. Silva, Rachid Taha, Enrique Aceves de Alba, Ya-Huei Chen, Robert Rozmiarek, XiaoHong Li
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Patent number: 8450237Abstract: The present invention provides catalysts, reactors, and methods of steam reforming over a catalyst. Surprisingly superior results and properties obtained in methods and catalysts of the present invention are also described. For example, a coated catalyst was demonstrated to be highly stable under steam reforming conditions (high temperature and high pressure of steam). Methods of making steam reforming catalysts are also described.Type: GrantFiled: October 1, 2012Date of Patent: May 28, 2013Assignee: Velocys, Inc.Inventors: Junko M. Watson, Francis P. Daly, Yong Wang, Steven T. Perry, Anna Lee Tonkovich, Sean P. Fitzgerald, Laura J. Silva, Rachid Taha, Enrique Aceves de Alba, Ya-Huei Chen, Robert Rozmiarek, XiaoHong Li
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Publication number: 20130023407Abstract: The present invention provides catalysts, reactors, and methods of steam reforming over a catalyst. Surprisingly superior results and properties obtained in methods and catalysts of the present invention are also described. For example, a coated catalyst was demonstrated to be highly stable under steam reforming conditions (high temperature and high pressure of steam). Methods of making steam reforming catalysts are also described.Type: ApplicationFiled: October 1, 2012Publication date: January 24, 2013Applicant: VELOCYS INC.Inventors: Junko M. Watson, Francis P. Daly, Yong Wang, Steven T. Perry, Anna Lee Tonkovich, Sean P. Fitzgerald, Laura J. Silva, Rachid Taha, Enrique Aceves de Alba, Ya-Huei Chen, Robert Rozmiarek, XiaoHong Li