Patents by Inventor Omprakash Mall
Omprakash Mall 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: 9127219Abstract: The present embodiments provide additive systems for biomass gasification reactors. For example, in one embodiment, a biomass gasification system includes a feedstock preparation system configured to generate a biomass feedstock having a biomass fuel and a tar cracking additive. The system also includes a gasifier configured to receive the biomass feedstock and gasify the biomass fuel in the presence of the tar cracking additive to generate first and second mixtures. The first mixture has producer gas and the second mixture has the tar cracking additive and ash. The biomass gasification system further includes an additive recycle system configured to receive the second mixture and to separate at least a portion of the tar cracking additive from the ash to generate a recycled additive feed for the feedstock preparation system.Type: GrantFiled: July 19, 2011Date of Patent: September 8, 2015Assignee: General Electric CompanyInventors: Omprakash Mall, Richard Anthony De Puy, Amol Ramesh Mahulkar, Srinivasarao Jallepalli
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Patent number: 9096807Abstract: The present application thus provides a gasifier for use in converting a feedstock material into a syngas. The gasifier may include an outer chamber, a reaction zone positioned within the outer chamber, and a disruption device maneuverable within the outer chamber to ensure a steady flow of the feedstock material into the reaction zone without bridging.Type: GrantFiled: March 9, 2012Date of Patent: August 4, 2015Assignee: GENERAL ELECTRIC COMPANYInventors: Richard Anthony DePuy, Jinmesh Pranav Majmudar, Omprakash Mall, Vignesh Venkatraman, Avish Dsouza
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Patent number: 9005319Abstract: The disclosed embodiments provide systems for the removal and use of tar from a biomass gasification system. For example, in one embodiment, a biomass gasification system includes a reactor configured to gasify a biomass fuel in the presence of air to generate a producer gas. The system also includes an absorber configured to receive a mixture of the producer gas and tar and to absorb the tar into an organic solvent to produce treated producer gas and a rich solvent mixture containing at least a portion of the tar. The system further includes a recycle line configured to direct the rich solvent mixture to a biomass gasifier.Type: GrantFiled: June 10, 2011Date of Patent: April 14, 2015Assignee: General Electric CompanyInventors: Richard Anthony DePuy, Omprakash Mall
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Patent number: 8999885Abstract: Methods for activating charcoal resulting from biomass gasification are provided. Exemplary methods include gasifying biomass in a gasification reactor of an integrated biomass gasification system to produce charcoal; and activating charcoal using heat generated from an integral heat source of the integrated biomass gasification system. The methods include activation of charcoal resulting from biomass gasification in a more efficient, economical manner, thereby increasing the value of biomass gasification with minimal investment in the process.Type: GrantFiled: January 9, 2013Date of Patent: April 7, 2015Assignee: General Electric CompanyInventors: Jinmesh Pranav Majmudar, Omprakash Mall
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Patent number: 8945248Abstract: Biomass gasification systems including a biofilter assembly adapted to be disposed within a filter unit of a biomass gasification system are provided. The biofilter assemblies may be adapted to filter particulate matter from a producer gas flowing through the filter unit while allowing a remainder of the producer gas to pass through the biofilter assembly. The biofilter assembly may include a support structure and a biofilter disposed on the support structure and including a biomaterial adapted to be gasified in a biomass gasification reactor of the biomass gasification system.Type: GrantFiled: June 9, 2011Date of Patent: February 3, 2015Assignee: General Electric CompanyInventors: Omprakash Mall, Amol Mahulkar
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Publication number: 20140194284Abstract: Methods for activating charcoal resulting from biomass gasification are provided. Exemplary methods include gasifying biomass in a gasification reactor of an integrated biomass gasification system to produce charcoal; and activating charcoal using heat generated from an integral heat source of the integrated biomass gasification system. The methods include activation of charcoal resulting from biomass gasification in a more efficient, economical manner, thereby increasing the value of biomass gasification with minimal investment in the process.Type: ApplicationFiled: January 9, 2013Publication date: July 10, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Jinmesh Pranav Majmudar, Omprakash Mall
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Patent number: 8701412Abstract: Systems for recovering heat from a biomass gasifier are provided. One gasification system includes a gasifier having an inlet section configured to receive a biomass feedstock and air, and a reactor section configured to gasify a mixture of the biomass feedstock and the air to generate a producer gas. The gasifier also has an outlet section configured to output the producer gas from the reactor section. The gasification system also includes a heat exchanger system coupled to the gasifier. The heat exchanger system is configured to recover heat from the gasifier by transferring heat to a fluid to create a heated fluid.Type: GrantFiled: July 25, 2011Date of Patent: April 22, 2014Assignee: General Electric CompanyInventors: Jinmesh Pranav Majmudar, Omprakash Mall, Lakshmanan Subramanian, Avish Ivan Dsouza
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Publication number: 20130232873Abstract: The present application thus provides a gasifier for use in converting a feedstock material into a syngas. The gasifier may include an outer chamber, a reaction zone positioned within the outer chamber, and a disruption device maneuverable within the outer chamber to ensure a steady flow of the feedstock material into the reaction zone without bridging.Type: ApplicationFiled: March 9, 2012Publication date: September 12, 2013Applicant: General Electric CompanyInventors: Richard Anthony DePuy, Jinmesh Pranav Majmudar, Omprakash Mall, Vignesh Venkatraman, Avish Dsouza
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Publication number: 20130025279Abstract: Systems for recovering heat from a biomass gasifier are provided. One gasification system includes a gasifier having an inlet section configured to receive a biomass feedstock and air, and a reactor section configured to gasify a mixture of the biomass feedstock and the air to generate a producer gas. The gasifier also has an outlet section configured to output the producer gas from the reactor section. The gasification system also includes a heat exchanger system coupled to the gasifier. The heat exchanger system is configured to recover heat from the gasifier by transferring heat to a fluid to create a heated fluid.Type: ApplicationFiled: July 25, 2011Publication date: January 31, 2013Applicant: General Electric CompanyInventors: Jinmesh Pranav Majmudar, Omprakash Mall, Lakshmanan Subramanian, Avish Ivan Dsouza
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Publication number: 20130019528Abstract: The present embodiments provide additive systems for biomass gasification reactors. For example, in one embodiment, a biomass gasification system includes a feedstock preparation system configured to generate a biomass feedstock having a biomass fuel and a tar cracking additive. The system also includes a gasifier configured to receive the biomass feedstock and gasify the biomass fuel in the presence of the tar cracking additive to generate first and second mixtures. The first mixture has producer gas and the second mixture has the tar cracking additive and ash. The biomass gasification system further includes an additive recycle system configured to receive the second mixture and to separate at least a portion of the tar cracking additive from the ash to generate a recycled additive feed for the feedstock preparation system.Type: ApplicationFiled: July 19, 2011Publication date: January 24, 2013Applicant: General Electric CompanyInventors: Omprakash Mall, Richard Anthony De Puy, Amol Mahulkar, Srinivasa J
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Patent number: 8354082Abstract: In an embodiment, a system includes a methanation section generally including a fuel inlet configured to receive a first fuel, a fuel outlet configured to output methane, and a first fuel path configured to route a first flow of the first fuel from the fuel inlet to the fuel outlet. The first fuel path includes a first methanator configured to generate the methane from the first fuel in an exothermic methanation region. The system also includes a second fuel path configured to route a second flow of a second fuel without conversion to methane. The second fuel path is also configured to receive heat from the exothermic methanation region.Type: GrantFiled: March 17, 2010Date of Patent: January 15, 2013Assignee: General Electric CompanyInventors: Arnaldo Frydman, Omprakash Mall, Saumar Jyoti Hazarika, Jinmesh Pranav Majmudar
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Publication number: 20120313378Abstract: The disclosed embodiments provide systems for the removal and use of tar from a biomass gasification system. For example, in one embodiment, a biomass gasification system includes a reactor configured to gasify a biomass fuel in the presence of air to generate a producer gas. The system also includes an absorber configured to receive a mixture of the producer gas and tar and to absorb the tar into an organic solvent to produce treated producer gas and a rich solvent mixture containing at least a portion of the tar. The system further includes a recycle line configured to direct the rich solvent mixture to a biomass gasifier.Type: ApplicationFiled: June 10, 2011Publication date: December 13, 2012Applicant: General Electric CompanyInventors: Richard Anthony DePuy, Omprakash Mall
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Publication number: 20120311991Abstract: Biomass gasification systems including a biofilter assembly adapted to be disposed within a filter unit of a biomass gasification system are provided. The biofilter assemblies may be adapted to filter particulate matter from a producer gas flowing through the filter unit while allowing a remainder of the producer gas to pass through the biofilter assembly. The biofilter assembly may include a support structure and a biofilter disposed on the support structure and including a biomaterial adapted to be gasified in a biomass gasification reactor of the biomass gasification system.Type: ApplicationFiled: June 9, 2011Publication date: December 13, 2012Applicant: General Electric CompanyInventors: Omprakash Mall, Amol Mahulkar
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Publication number: 20110229382Abstract: In an embodiment, a system includes a methanation section generally including a fuel inlet configured to receive a first fuel, a fuel outlet configured to output methane, and a first fuel path configured to route a first flow of the first fuel from the fuel inlet to the fuel outlet. The first fuel path includes a first methanator configured to generate the methane from the first fuel in an exothermic methanation region. The system also includes a second fuel path configured to route a second flow of a second fuel without conversion to methane. The second fuel path is also configured to receive heat from the exothermic methanation region.Type: ApplicationFiled: March 17, 2010Publication date: September 22, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Arnaldo Frydman, Omprakash Mall, Saumar Jyoti Hazarika, Jinmesh Pranav Majmudar
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Publication number: 20100313442Abstract: A method for improving the overall thermal efficiency of a coal power generation plant by transferring heat from a raw synthesis gas stream to solid fuel used as the primary feed to the gasifier, comprising the steps of initially cooling the syngas exhaust by transferring heat to a makeup conveyance gas feed to the dry feed preparation system, feeding a solid fuel component and a portion of the makeup gas stream into a grinding mechanism for the solid feedstock, forming a two-phase solids/gas stream comprising ground feedstock particulates and makeup gas, heating and drying the ground solid feedstock particulates to remove water, separating and removing water vapor formed in the heating and drying step, and feeding the heated and dried solids/gas stream to the gasifier.Type: ApplicationFiled: June 12, 2009Publication date: December 16, 2010Inventors: Steven Craig Russell, Judeth Brannon Corry, Geroge Frederick Frey, Sunil Ramabhilakh Mishra, Omprakash Mall