Sonwane, US
Chandrashekhar Sonwane, Sacramento, CA US
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20140102001 | FLOW SPLITTER FOR A COMPACT GASIFICATION REACTOR SYSTEM - A flow splitter is operable to divide flow of a fuel mixture. The flow splitter includes a first tube having an outlet end and a plurality of second tubes that are coupled at the outlet end to divide flow from the first tube. Each of the plurality of second tubes has a respective inside diameter that satisfies Equation (I) and Equation (II) disclosed herein. | 04-17-2014 |
Chandrashekhar Sonwane, Los Angeles, CA US
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20140294695 | INJECTOR MIXER FOR A COMPACT GASIFICATION REACTOR SYSTEM - An injector mixer for a gasification reactor system that utilizes reactants includes an injector body that extends between a first face and a second face. The injector body includes a first passage that extends between the first face and the second face and has a first central axis. At least one second, impinging passage extends between the first face and second face and has an associated second central axis that has an angle with the first axis. The angle satisfies mixing efficiency Equation (I) disclosed herein. | 10-02-2014 |
Chandrashekhar Sonwane, Greenville, SC US
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20100287827 | PROCESS FOR OBTAINING TREATED COAL AND SILICA FROM COAL CONTAINING FLY ASH - A process for treating mixtures of solid coal and fly ash containing metallic oxides, silicon dioxide and sulfur compounds in order to produce treated coal and substantially pure silicon dioxide comprising (1) reacting a mixture of the coal and fly ash with hydrogen fluoride in water to produce a liquid stream comprising silicon fluoride and metal fluorides and a solids stream comprising unreacted coal and sulfur compounds; (2) reacting the sulfur compounds with metallic nitrates dissolved in water to form an aqueous solution of nitrate, metallic and sulfur ions; (3) separating the aqueous solution of nitrate, sulfur and metallic ions from the solid coal; (4) washing the previously treated solid coal with water; (5) reacting the silicon fluorides and metal fluorides with metallic nitrates in an aqueous mixture to form solid silicon dioxide; and separating the solid silicon dioxide from the aqueous mixture. | 11-18-2010 |
Chandrashekhar Sonwane, Philadelphia, PA US
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20110030270 | Methods for removing impurities from coal including neutralization of a leaching solution - A method for removing at least one impurity from coal is provided. The method comprises providing coal having a plurality of impurities and contacting the coal with a first leaching solution. The first leaching solution reacts with at least one of the impurities to produce one or more first products soluble in the first leaching solution. The method further comprises adding a neutralizing composition to the first leaching solution. The neutralizing composition reacts with the first leaching solution to form a precipitate. The method further comprises separating at least a portion of the first leaching solution from the coal and the precipitate and contacting the coal and the precipitate with a second leaching solution. The second leaching solution reacts with at least one of the impurities and the precipitate to form one or more second products and one or more third products, respectively, the second products and the third products being soluble in the second leaching solution. The method further comprises separating at least a portion of the second leaching solution from the coal. | 02-10-2011 |
20110030271 | Method for removing impurities from coal in a reaction chamber - A method for removing at least one impurity from coal is described herein. The method includes providing coal comprising a plurality of impurities and contacting the coal with an acid solution in a reaction chamber. At least one of the impurities reacts with the acid solution to produce one or more first products soluble in the acid solution. The method further includes removing at least a portion of the acid solution including at least a portion of the first products from the reaction chamber and adding a nitrate composition to the reaction chamber to form a nitrate solution. At least one of the impurities, at least one of the first products, or combinations thereof react with the nitrate composition to produce one or more second products soluble in the nitrate solution. The method still further includes removing at least a portion of the nitrate solution including at least a portion of the second products from the reaction chamber. | 02-10-2011 |
20110030593 | Method for desulfurizing a fluid and methods for operating a coal combustion system - A method for desulfurizing a fluid comprising at least one sulfur compound is provided. The method includes providing an oxide composition comprising at least one byproduct oxide from a process for removing one or more impurities from coal and contacting the oxide composition with the fluid. The oxide composition reacts with the at least one sulfur compound to form a solid precipitate. Methods for operating a coal combustion system are also provided. | 02-10-2011 |
Chandrashekhar Sonwane, Canoga Park, CA US
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20110314812 | THERMAL STORAGE SYSTEM - A thermal storage system includes a first tank and a second tank thermally interfaced with the first tank. A pump is connected between the first tank and the second tank to move a fluid from the first tank to the second tank. A first heat exchanger includes a heat-exchanging portion that is located within the first tank. A second heat exchanger includes another heat-exchanging portion that is located within the second tank. | 12-29-2011 |
20120321444 | PUMP APPARATUS INCLUDING DECONSOLIDATOR - A pump apparatus includes a particulate pump that defines a passage that extends from an inlet to an outlet. A duct is in flow communication with the outlet. The duct includes a deconsolidator configured to fragment particle agglomerates received from the passage. | 12-20-2012 |
20130145759 | LOW COST AND HIGHER EFFICIENCY POWER PLANT - A power plant includes a closed loop, supercritical carbon dioxide system (CLS-CO | 06-13-2013 |
20130269334 | POWER PLANT WITH CLOSED BRAYTON CYCLE - A power plant includes a heated fluid, a closed loop, super-critical carbon dioxide-based Brayton cycle, and a closed loop, steam-based Rankine cycle. At least one heat exchanger is arranged to receive the heated fluid and exchange heat between the heated fluid, the closed loop super-critical carbon dioxide-based Brayton cycle and the closed loop, steam-based Rankine cycle. | 10-17-2013 |
20130269345 | RETROFIT FOR POWER GENERATION SYSTEM - A method of retrofitting a power generation system includes modifying a pre-existing power generation system that includes a combustor and a steam-based cycle to include a super-critical carbon dioxide-based Brayton cycle that is directly coupled through the combustor. The steam-based cycle is converted into a steam-based Rankine cycle that is in thermal-receiving communication with the super-critical carbon dioxide-based Brayton cycle. | 10-17-2013 |
20130333572 | SEPARATOR APPARATUS FOR PURIFYING A GAS STREAM - A separator apparatus includes an expansion nozzle having spray elements and a tunnel coupled with the expansion nozzle. The tunnel includes a wall having a plurality of perforations. | 12-19-2013 |
20140020675 | SOLAR RECEIVER - A solar receiver includes a manifold, a sealed enclosure around the manifold and a plurality of tubes connected to the manifold and extending through the sealed enclosure. | 01-23-2014 |
20140060002 | REGENERATIVE TURBINE FOR POWER GENERATION SYSTEM - Disclosed is a power generation system and method. The system includes a combustor, and a turbine driven by products of the combustor. The turbine includes at least one disk supporting a plurality of airfoils, and the airfoils each have an internal passage formed therein. The system further includes a passage for routing a coolant within the system. A portion of the passage is provided by the internal passages of the airfoils, and another portion of the passage is provided between the airfoils and the combustor. The system also includes a generator driven by the turbine to generate electric power. | 03-06-2014 |
Chandrashekhar Ganpatrao Sonwane, Greenville, SC US
Patent application number | Description | Published |
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20100154431 | LIQUID CARBON DIOXIDE ABSORBENT AND METHODS OF USING THE SAME - A carbon dioxide absorbent comprising a liquid, nonaqueous oligomeric material, functionalized with one or more groups that either reversibly react with CO | 06-24-2010 |
20100218477 | DEWATERING SYSTEM AND PROCESS FOR INCREASING THE COMBINED CYCLE EFFICIENCY OF A COAL POWERPLANT - A process for treating coal includes contacting the coal with a leaching agent configured to remove a mineral from the coal; forming a wastewater stream comprising water and a concentration of a contaminant; and contacting the wastewater stream with a first side of a reverse osmosis membrane under pressure, wherein a permeate stream comprising a reduced concentration of the contaminant permeates the reverse osmosis membrane and flows from a second side of the reverse osmosis membrane, and a concentrate stream comprising an increased concentration of the contaminant is retained on the first side of the reverse osmosis membrane. | 09-02-2010 |
20100229720 | SYSTEMS, METHODS, AND APPARATUS FOR CAPTURING CO2 USING A SOLVENT - Systems, methods, and apparatus for capturing CO | 09-16-2010 |
Chandrashekhar Ganpatrao Sonwane, Philadelphia, PA US
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20110078948 | ASH REMOVAL FROM COAL: PROCESS TO AVOID LARGE QUANTITIES OF HYDROGEN FLUORIDE ON-SITE - A method and system for treating coal with hydrogen fluoride to remove fly ash and thereafter regenerating substantially all of the hydrogen fluoride used during the process (thereby significantly reducing the amount of HF on site). An exemplary method includes the steps of charging at least one reaction vessel with coal containing fly ash; feeding hydrogen fluoride into the reaction vessel to form a first reaction mixture of soluble reaction products, insoluble fluoride compounds and initially clean coal; separating out the first soluble and insoluble reaction products; feeding nitric acid into the same reaction vessel to react with any remaining fly ash components and separating out those second reaction products; and regenerating substantially all of the hydrogen fluoride used in the first fluoride reaction. | 04-07-2011 |