Patents by Inventor Dante Patrick Bonaquist
Dante Patrick Bonaquist 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: 9624440Abstract: In the production of fuel such as ethanol from carbonaceous feed material such as biomass, a stream comprising hydrogen and carbon monoxide is added to the raw gas stream derived from the feed material, and the resulting combined stream is converted into fuel and a gaseous byproduct such as by a Fischer-Tropsch reaction. The gaseous byproduct may be utilized in the formation of the aforementioned stream comprising hydrogen and carbon monoxide.Type: GrantFiled: October 23, 2013Date of Patent: April 18, 2017Assignee: PRAXAIR TECHNOLOGY, INC.Inventors: Shrikar Chakravarti, Raymond Francis Drnevich, Dante Patrick Bonaquist, Gregory Panuccio
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Patent number: 9486771Abstract: A method and apparatus for producing a carbon monoxide containing product in which cathode and anode sides of an electrically driven oxygen separation device are contacted with carbon dioxide and a reducing agent, respectively. The carbon dioxide is reduced to carbon monoxide through ionization of oxygen and the reducing agent lowers the partial pressure of oxygen at the anode side to partially drive oxygen ion transport within the device through the consumption of the oxygen and to supply heat. The lowering of oxygen partial pressure reduces voltage and therefore, electrical power required to be applied to the device and the heat is supplied to heat the device to an operational temperature and to the reduction of the carbon dioxide occurring at the cathode side. The device can be used as part of an integrated apparatus in which the carbon dioxide is supplied from a waste stream of a process plant.Type: GrantFiled: October 14, 2013Date of Patent: November 8, 2016Assignee: PRAXAIR TECHNOLOGY, INC.Inventors: Jonathan Andrew Lane, Gervase Maxwell Christie, Dante Patrick Bonaquist
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Publication number: 20140047763Abstract: In the production of fuel such as ethanol from carbonaceous feed material such as biomass, a stream comprising hydrogen and carbon monoxide is added to the raw gas stream derived from the feed material, and the resulting combined stream is converted into fuel and a gaseous byproduct such as by a Fischer-Tropsch reaction. The gaseous byproduct may be utilized in the formation of the aforementioned stream comprising hydrogen and carbon monoxide.Type: ApplicationFiled: October 23, 2013Publication date: February 20, 2014Inventors: Shrikar Chakravarti, Raymond Francis Drnevich, Dante Patrick Bonaquist, Gregory Panuccio
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Publication number: 20140044604Abstract: A method and apparatus for producing a carbon monoxide containing product in which cathode and anode sides of an electrically driven oxygen separation device are contacted with carbon dioxide and a reducing agent, respectively. The carbon dioxide is reduced to carbon monoxide through ionization of oxygen and the reducing agent lowers the partial pressure of oxygen at the anode side to partially drive oxygen ion transport within the device through the consumption of the oxygen and to supply heat. The lowering of oxygen partial pressure reduces voltage and therefore, electrical power required to be applied to the device and the heat is supplied to heat the device to an operational temperature and to the reduction of the carbon dioxide occurring at the cathode side. The device can be used as part of an integrated apparatus in which the carbon dioxide is supplied from a waste stream of a process plant.Type: ApplicationFiled: October 14, 2013Publication date: February 13, 2014Inventors: Jonathan Andrew Lane, Gervase Maxwell Christie, Dante Patrick Bonaquist
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Patent number: 8591718Abstract: A method and apparatus for producing a carbon monoxide containing product in which cathode and anode sides of an electrically driven oxygen separation device are contacted with carbon dioxide and a reducing agent, respectively. The carbon dioxide is reduced to carbon monoxide through ionization of oxygen and the reducing agent lowers the partial pressure of oxygen at the anode side to partially drive oxygen ion transport within the device through the consumption of the oxygen and to supply heat. The lowering of oxygen partial pressure reduces voltage and therefore, electrical power required to be applied to the device and the heat is supplied to heat the device to an operational temperature and to the reduction of the carbon dioxide occurring at the cathode side. The device can be used as part of an integrated apparatus in which the carbon dioxide is supplied from a waste stream of a process plant.Type: GrantFiled: December 7, 2010Date of Patent: November 26, 2013Assignee: Praxair Technology, Inc.Inventors: Jonathan Andrew Lane, Gervase Maxwell Christie, Dante Patrick Bonaquist
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Patent number: 8592492Abstract: In the production of fuel such as ethanol from carbonaceous feed material such as biomass, a stream comprising hydrogen and carbon monoxide is added to the raw gas stream derived from the feed material, and the resulting combined stream is converted into fuel and a gaseous byproduct such as by a Fischer-Tropsch reaction. The gaseous byproduct may be utilized in the formation of the aforementioned stream comprising hydrogen and carbon monoxide.Type: GrantFiled: March 4, 2011Date of Patent: November 26, 2013Assignee: Praxair Technology, Inc.Inventors: Shrikar Chakravarti, Raymond Francis Drnevich, Dante Patrick Bonaquist, Gregory Panuccio
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Patent number: 8535415Abstract: A process and system for recovering valuable by-products (e.g., hydrogen) from refinery gas streams. For hydrogen-only recovery, the invention comprises a partial condensation step to upgrade the refinery fuel gas to a minimum of 60% hydrogen, which is further purified in a pressure swing adsorption process. When configured to recover hydrogen, methane-rich gas and raw LPG (methane depleted gas containing C2 hydrocarbons and heavier), the invention comprises two partial condensation steps where the feed is cooled in the first step to allow separation of ethane and heavier hydrocarbons, and the resulting vapor is cooled to a lower temperature in a second step for hydrogen recovery.Type: GrantFiled: August 10, 2012Date of Patent: September 17, 2013Assignee: Praxair Technology, Inc.Inventors: Ramona Manuela Dragomir, Raymond Francis Drnevich, Dante Patrick Bonaquist
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Publication number: 20120304688Abstract: A process and system for recovering valuable by-products (e.g., hydrogen) from refinery gas streams. For hydrogen-only recovery, the invention comprises a partial condensation step to upgrade the refinery fuel gas to a minimum of 60% hydrogen, which is further purified in a pressure swing adsorption process. When configured to recover hydrogen, methane-rich gas and raw LPG (methane depleted gas containing C2 hydrocarbons and heavier), the invention comprises two partial condensation steps where the feed is cooled in the first step to allow separation of ethane and heavier hydrocarbons, and the resulting vapor is cooled to a lower temperature in a second step for hydrogen recovery.Type: ApplicationFiled: August 10, 2012Publication date: December 6, 2012Inventors: Ramona Manuela Dragomir, Raymond Francis Drnevich, Dante Patrick Bonaquist
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Patent number: 8273152Abstract: A separation method and apparatus that separates a component from a feed stream by use of a membrane in which separation is driven, at least in part, by a sweep stream. The sweep stream may be pumped to a supercritical pressure and then heated to at least near supercritical temperature, at least in part, through heat exchange with a component laden sweep stream being discharged from the membrane. A multi-component mixture can also be used that will produce the sweep stream as a vapor as a result of the heat exchange. The component laden sweep stream, due to cooling through the indirect heat exchange, will form a two-phase fluid that can be phase separated into a vapor phase enriched in the component that can be taken as a product and a residual liquid that can be recirculated in the formation of the sweep stream in the liquid state.Type: GrantFiled: November 10, 2009Date of Patent: September 25, 2012Assignee: Praxair Technology, Inc.Inventors: Joseph Michael Schwartz, Raymond Francis Drnevich, Jerome Thomas Jankowiak, Dante Patrick Bonaquist
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Patent number: 8262772Abstract: A process and system for recovering valuable by-products (e.g., hydrogen) from refinery gas streams. For hydrogen-only recovery, the invention comprises a partial condensation step to upgrade the refinery fuel gas to a minimum of 60% hydrogen, which is further purified in a pressure swing adsorption process. When configured to recover hydrogen, methane-rich gas and raw LPG (methane depleted gas containing C2 hydrocarbons and heavier), the invention comprises two partial condensation steps where the feed is cooled in the first step to allow separation of ethane and heavier hydrocarbons, and the resulting vapor is cooled to a lower temperature in a second step for hydrogen recovery.Type: GrantFiled: December 5, 2007Date of Patent: September 11, 2012Assignee: Praxair Technology, Inc.Inventors: Ramona Manuela Dragomir, Raymond Francis Drnevich, Dante Patrick Bonaquist
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Patent number: 8142542Abstract: Offgas containing carbon dioxide and carbon monoxide that is produced in the reduction of ores and other metal oxides in a reactor is treated to reduce its carbon dioxide content and is then contacted with metal oxide to reduce the oxidation state of the metal and oxidize carbon monoxide therein to carbon dioxide, following which the reduced metal is oxidized with steam to produce hydrogen that can be fed to the reactor.Type: GrantFiled: September 22, 2011Date of Patent: March 27, 2012Assignee: Praxair Technology, Inc.Inventors: Raymond Francis Drnevich, Joseph Michael Schwartz, Minish Mahendra Shah, Dante Patrick Bonaquist
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Publication number: 20120006158Abstract: Offgas containing carbon dioxide and carbon monoxide that is produced in the reduction of ores and other metal oxides in a reactor is treated to reduce its carbon dioxide content and is then contacted with metal oxide to reduce the oxidation state of the metal and oxidize carbon monoxide therein to carbon dioxide, following which the reduced metal is oxidized with steam to produce hydrogen that can be fed to the reactor.Type: ApplicationFiled: September 22, 2011Publication date: January 12, 2012Inventors: Raymond Francis Drnevich, Joseph Michael Schwartz, Minish Mahendra Shah, Dante Patrick Bonaquist
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Patent number: 8057734Abstract: Offgas containing carbon dioxide and carbon monoxide that is produced in the reduction of ores and other metal oxides in a reactor is treated to reduce its carbon dioxide content and is then contacted with metal oxide to reduce the oxidation state of the metal and oxidize carbon monoxide therein to carbon dioxide, following which the reduced metal is oxidized with steam to produce hydrogen that can be fed to the reactor.Type: GrantFiled: February 23, 2010Date of Patent: November 15, 2011Assignee: Praxair Technology, Inc.Inventors: Raymond Francis Drnevich, Joseph Michael Schwartz, Minish Mahendra Shah, Dante Patrick Bonaquist
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Publication number: 20110253551Abstract: A method and apparatus for producing a carbon monoxide containing product in which cathode and anode sides of an electrically driven oxygen separation device are contacted with carbon dioxide and a reducing agent, respectively. The carbon dioxide is reduced to carbon monoxide through ionization of oxygen and the reducing agent lowers the partial pressure of oxygen at the anode side to partially drive oxygen ion transport within the device through the consumption of the oxygen and to supply heat. The lowering of oxygen partial pressure reduces voltage and therefore, electrical power required to be applied to the device and the heat is supplied to heat the device to an operational temperature and to the reduction of the carbon dioxide occurring at the cathode side. The device can be used as part of an integrated apparatus in which the carbon dioxide is supplied from a waste stream of a process plant.Type: ApplicationFiled: December 7, 2010Publication date: October 20, 2011Inventors: Jonathan Andrew Lane, Gervase Maxwell Christie, Dante Patrick Bonaquist
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Publication number: 20110218254Abstract: In the production of fuel such as ethanol from carbonaceous feed material such as biomass, a stream comprising hydrogen and carbon monoxide is added to the raw gas stream derived from the feed material, and the resulting combined stream is converted into fuel and a gaseous byproduct such as by a Fischer-Tropsch reaction. The gaseous byproduct may be utilized in the formation of the aforementioned stream comprising hydrogen and carbon monoxide.Type: ApplicationFiled: March 4, 2011Publication date: September 8, 2011Inventors: Shrikar Chakravarti, Raymond Francis Drnevich, Dante Patrick Bonaquist, Gregory Panuccio
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Publication number: 20110132032Abstract: A method and apparatus in which air is liquefied and stored for later energy recovery during which the liquid air is pumped to high pressure, heated and then expanded to recover the energy. During the recovery of energy, the pumped liquid air is heated within a regenerator that stores the refrigeration within the liquid air. During the liquefaction of the air, part of the refrigeration required is obtained from the refrigeration stored in the regenerator.Type: ApplicationFiled: November 29, 2010Publication date: June 9, 2011Inventors: Marco Francesco Gatti, John Fredric Billingham, John Henri Royal, Dante Patrick Bonaquist, Mathew Roy Watt
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Patent number: 7871457Abstract: A method of producing a carbon dioxide product stream from a synthesis gas stream formed within a hydrogen plant having a synthesis gas reactor, a water-gas shift reactor, located downstream of the synthesis gas reactor to form the synthesis gas stream and a hydrogen pressure swing adsorption unit to produce a hydrogen product recovered from the synthesis gas stream. In accordance with the method the carbon dioxide from the synthesis gas stream by separating the carbon dioxide from the synthesis gas stream in a vacuum pressure swing adsorption system, thereby to produce a hydrogen-rich synthesis gas stream and a crude carbon dioxide stream and then purifying the crude carbon dioxide stream by a sub-ambient temperature distillation process thereby to produce the carbon dioxide product. A hydrogen synthesis gas feed stream to the hydrogen pressure swing adsorption unit is formed at least in part from the hydrogen rich stream.Type: GrantFiled: April 3, 2006Date of Patent: January 18, 2011Assignee: Praxair Technology, Inc.Inventors: Minish Mahendra Shah, Ravi Kumar, Henry Edward Howard, Bernard Thomas Neu, Dante Patrick Bonaquist, John Fredric Billingham
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Publication number: 20100212457Abstract: Offgas containing carbon dioxide and carbon monoxide that is produced in the reduction of ores and other metal oxides in a reactor is treated to reduce its carbon dioxide content and is then contacted with metal oxide to reduce the oxidation state of the metal and oxidize carbon monoxide therein to carbon dioxide, following which the reduced metal is oxidized with steam to produce hydrogen that can be fed to the reactor.Type: ApplicationFiled: February 23, 2010Publication date: August 26, 2010Inventors: Raymond Francis Drnevich, Joseph Michael Schwartz, Minish Mahendra Shah, Dante Patrick Bonaquist
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Publication number: 20100122552Abstract: A separation method and apparatus that separates a component from a feed stream by use of a membrane in which separation is driven, at least in part, by a sweep stream. The sweep stream may be pumped to a supercritical pressure and then heated to at least near supercritical temperature, at least in part, through heat exchange with a component laden sweep stream being discharged from the membrane. A multi-component mixture can also be used that will produce the sweep stream as a vapor as a result of the heat exchange. The component laden sweep stream, due to cooling through the indirect heat exchange, will form a two-phase fluid that can be phase separated into a vapor phase enriched in the component that can be taken as a product and a residual liquid that can be recirculated in the formation of the sweep stream in the liquid state.Type: ApplicationFiled: November 10, 2009Publication date: May 20, 2010Inventors: Joseph Michael Schwartz, Raymond Francis Drnevich, Jerome Thomas Jankowiak, Dante Patrick Bonaquist
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Publication number: 20100122627Abstract: According to some embodiments, a method and a system are provided to receive hydrogen at a first pressure at a first side of a membrane, receive hydrogen at a second pressure from a second side of the membrane, combine the hydrogen received from the second side of the membrane with a purge stream to produce a permeate stream at the second pressure, and separate hydrogen from the permeate stream at a third pressure. The purge stream is associated with a phase transition temperature range.Type: ApplicationFiled: November 14, 2008Publication date: May 20, 2010Inventors: Joseph Michael Schwartz, Raymond Francis Drnevich, Jerome Thomas Jankowiak, Dante Patrick Bonaquist