Patents by Inventor Shyam V. Dighe

Shyam V. Dighe 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).

  • Patent number: 10092851
    Abstract: System and method of treating waste water includes: receiving waste water at a first pressure and a first temperature, the waste water comprising dissolved solids and VOCs; pressurizing the waste water to a second pressure; preheating the pressurized waste water to a second temperature to produce distilled water and pressurized/preheated water; heating the pressurized/preheated to a third temperature to produce pressurized/heated water; removing dissolved solids from the pressurized/heated water, by an evaporator operated at a third pressure less than the second pressure, to produce steam and brine water; and crystallizing the brine water, by a crystallizer operated at a fourth pressure greater than the second pressure, to produce a solid mass waste product and steam. Steam produced by the crystallizer, at the fourth pressure and a fourth temperature, is a heat source for the preheater and/or heater, and steam produced by the evaporator is a heat source for the crystallizer.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: October 9, 2018
    Assignee: Aquasource Technologies Corporation
    Inventor: Shyam V. Dighe
  • Patent number: 9527005
    Abstract: System and method of treating waste water includes: receiving waste water at a first pressure and temperature, the waste water comprising dissolved solids and VOCs; pressurizing, by a pump, the received waste water to a second pressure greater than the first pressure; preheating, by a preheater, the waste water to a second temperature greater than the first temperature producing distilled water; heating, by a condenser, the waste water to a third temperature greater than the second temperature; heating the pressurized/heated water with a heater operated with a hot gas developed by a plasma torch to a fourth temperature greater than the third temperature; and removing dissolved solids from the waste water by evaporation to produce steam and brine water, wherein the brine water has a total dissolved solids content greater than a total dissolved solids content of the received waste water. The brine water is crystallized to a solid mass.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: December 27, 2016
    Assignee: Aquasource Technologies Corporation
    Inventor: Shyam V. Dighe
  • Publication number: 20160272507
    Abstract: System and method of treating waste water includes: receiving waste water at a first pressure and a first temperature, the waste water comprising dissolved solids and VOCs; pressurizing the waste water to a second pressure; preheating the pressurized waste water to a second temperature to produce distilled water and pressurized/preheated water; heating the pressurized/preheated to a third temperature to produce pressurized/heated water; removing dissolved solids from the pressurized/heated water, by an evaporator operated at a third pressure less than the second pressure, to produce steam and brine water; and crystallizing the brine water, by a crystallizer operated at a fourth pressure greater than the second pressure, to produce a solid mass waste product and steam. Steam produced by the crystallizer, at the fourth pressure and a fourth temperature, is a heat source for the preheater and/or heater, and steam produced by the evaporator is a heat source for the crystallizer.
    Type: Application
    Filed: May 26, 2016
    Publication date: September 22, 2016
    Inventor: Shyam V. Dighe
  • Patent number: 9440164
    Abstract: System and method of treating waste water includes: receiving waste water at a first pressure and temperature, the waste water comprising dissolved solids and VOCs; pressurizing, by a pump, the received waste water to a second pressure greater than the first pressure; preheating, by a preheater, the waste water to a second temperature greater than the first temperature producing distilled water; further heating, by a condenser, the pressurized/preheated waste water to a fourth temperature greater than the second temperature; still further heating, by a heater, the pressurized/further heated waste water to a third temperature greater than the fourth temperature; and removing, by a flash evaporator, dissolved solids from the pressurized/heated waste water by evaporation producing steam and brine water, the brine water having a TDS content greater than a TDS content of the received waste water. The brine water may be crystallized to a solid mass.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: September 13, 2016
    Assignee: Aquasource Technologies Corporation
    Inventor: Shyam V. Dighe
  • Patent number: 9440162
    Abstract: A system and method for treating waste water includes: receiving waste water at a first pressure and a first temperature, the waste water including dissolved solids and volatile organic compounds; pressurizing, by a pump, the received waste water to a second pressure greater than the first pressure; preheating, by a preheater, the pressurized waste water to produce distilled water and a pressurized/preheated waste water; heating, by a heater, the pressurized/preheated waste water to a second temperature greater than the first temperature to produce pressurized/heated waste water; removing, by a flash evaporator, dissolved solids from the pressurized/heated waste water by evaporation to produce steam and brine water, wherein the brine water has a total dissolved solids content greater than a total dissolved solids content of the received waste water; and crystallizing, by a plasma crystallizer, the brine water to produce a solid mass of waste product and steam.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: September 13, 2016
    Assignee: Aquasource Technologies Corporation
    Inventor: Shyam V. Dighe
  • Patent number: 9440163
    Abstract: System and method of treating waste water includes: receiving waste water at a first pressure and a first temperature, the waste water comprising dissolved solids and VOCs; pressurizing the waste water to a second pressure; preheating the pressurized waste water to a second temperature to produce distilled water and pressurized/preheated water; heating the pressurized/preheated to a third temperature to produce pressurized/heated water; removing dissolved solids from the pressurized/heated water, by an evaporator operated at a third pressure less than the second pressure, to produce steam and brine water; and crystallizing the brine water, by a crystallizer operated at a fourth pressure greater than the second pressure, to produce a solid mass waste product and steam. Steam produced by the crystallizer, at the fourth pressure and a fourth temperature, is a heat source for the preheater and/or heater, and steam produced by the evaporator is a heat source for the crystallizer.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: September 13, 2016
    Assignee: Aquasource Technologies Corporation
    Inventor: Shyam V. Dighe
  • Patent number: 9222038
    Abstract: A plasma gasification reactor vessel having a top section with a conical wall extending up from a bottom section, containing a carbonaceous bed into which plasma is injected by plasma torches, to a roof of the vessel is arranged in ways that can contribute to characteristics of gas flow and solids residence time that are favorable for thoroughness of reactions and yield of useful reactions products. In some cases, such a conical wall is combined in arrangements with other features such as one or more feed ports arranged to give more uniform distribution including examples with a feed port that has a distributive feed mechanism. The roof of the vessel, in some examples, has vertical outlet ports that include intrusions into the interior volume of the reactor proximate the conical wall of the top section. The configurations of outlet ports with intrusions and the configurations of feed ports for more uniform distribution of feed material are also applicable to reactor vessels with other geometries.
    Type: Grant
    Filed: February 11, 2009
    Date of Patent: December 29, 2015
    Assignee: Alter NRG Corp.
    Inventors: Shyam V. Dighe, Mark F. Darr, Ivan A. Martorell, Pieter van Nierop, Aleksandr Gorodetsky, Richard Dale Bower
  • Patent number: 8534365
    Abstract: Apparatus and method for containing and recovering undersea oil or gas well leakage by reason of the leaked fluid being lighter than sea water may include a canopy, or a series of interconnected canopies, which, when placed over a leak site, allow leaked fluid to be captured and displace sea water with the canopy or series of canopies having an arrangement, such as one or more conduits, for flow of leaked fluid upward from a respective canopy to the surface. With a system with multiple canopies in a series with exit arrangements for leaked fluid from a lower canopy to a next upper canopy, the series can readily extend from the surface to a great depth and allow transfer of volumes of the leaked fluid that are not limited by the capacity of canopies or conduits at deep locations.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: September 17, 2013
    Assignee: Dighe Technologies Corporation
    Inventor: Shyam V. Dighe
  • Publication number: 20130062188
    Abstract: A system and method for treating waste water includes: receiving waste water at a first pressure and a first temperature, the waste water including dissolved solids and volatile organic compounds; pressurizing, by a pump, the received waste water to a second pressure greater than the first pressure; preheating, by a preheater, the pressurized waste water to produce distilled water and a pressurized/preheated waste water; heating, by a heater, the pressurized/preheated waste water to a second temperature greater than the first temperature to produce pressurized/heated waste water; removing, by a flash evaporator, dissolved solids from the pressurized/heated waste water by evaporation to produce steam and brine water, wherein the brine water has a total dissolved solids content greater than a total dissolved solids content of the received waste water; and crystallizing, by a plasma crystallizer, the brine water to produce a solid mass of waste product and steam.
    Type: Application
    Filed: September 13, 2012
    Publication date: March 14, 2013
    Applicant: AQUASOURCE TECHNOLOGIES CORPORATION
    Inventor: Shyam V. Dighe
  • Publication number: 20130062190
    Abstract: System and method of treating waste water includes: receiving waste water at a first pressure and temperature, the waste water comprising dissolved solids and VOCs; pressurizing, by a pump, the received waste water to a second pressure greater than the first pressure; preheating, by a preheater, the waste water to a second temperature greater than the first temperature producing distilled water; further heating, by a condenser, the pressurized/preheated waste water to a fourth temperature greater than the second temperature; still further heating, by a heater, the pressurized/further heated waste water to a third temperature greater than the fourth temperature; and removing, by a flash evaporator, dissolved solids from the pressurized/heated waste water by evaporation producing steam and brine water, the brine water having a TDS content greater than a TDS content of the received waste water. The brine water may be crystallized to a solid mass.
    Type: Application
    Filed: September 13, 2012
    Publication date: March 14, 2013
    Applicant: AQUASOURCE TECHNOLOGIES CORPORATION
    Inventor: Shyam V. Dighe
  • Publication number: 20130062191
    Abstract: System and method of treating waste water includes: receiving waste water at a first pressure and temperature, the waste water comprising dissolved solids and VOCs; pressurizing, by a pump, the received waste water to a second pressure greater than the first pressure; preheating, by a preheater, the waste water to a second temperature greater than the first temperature producing distilled water; heating, by a condenser, the waste water to a third temperature greater than the second temperature; heating the pressurized/heated water with a heater operated with a hot gas developed by a plasma torch to a fourth temperature greater than the third temperature; and removing dissolved solids from the waste water by evaporation to produce steam and brine water, wherein the brine water has a total dissolved solids content greater than a total dissolved solids content of the received waste water. The brine water is crystallized to a solid mass.
    Type: Application
    Filed: September 13, 2012
    Publication date: March 14, 2013
    Applicant: AQUASOURCE TECHNOLOGIES CORPORATION
    Inventor: Shyam V. Dighe
  • Publication number: 20130062189
    Abstract: System and method of treating waste water includes: receiving waste water at a first pressure and a first temperature, the waste water comprising dissolved solids and VOCs; pressurizing the waste water to a second pressure; preheating the pressurized waste water to a second temperature to produce distilled water and pressurized/preheated water; heating the pressurized/preheated to a third temperature to produce pressurized/heated water; removing dissolved solids from the pressurized/heated water, by an evaporator operated at a third pressure less than the second pressure, to produce steam and brine water; and crystallizing the brine water, by a crystallizer operated at a fourth pressure greater than the second pressure, to produce a solid mass waste product and steam. Steam produced by the crystallizer, at the fourth pressure and a fourth temperature, is a heat source for the preheater and/or heater, and steam produced by the evaporator is a heat source for the crystallizer.
    Type: Application
    Filed: September 13, 2012
    Publication date: March 14, 2013
    Applicant: Aquasource Technologies Corporation
    Inventor: Shyam V. Dighe
  • Publication number: 20110318107
    Abstract: Apparatus and method for containing and recovering undersea oil or gas well leakage by reason of the leaked fluid being lighter than sea water may include a canopy, or a series of interconnected canopies, which, when placed over a leak site, allow leaked fluid to be captured and displace sea water with the canopy or series of canopies having an arrangement, such as one or more conduits, for flow of leaked fluid upward from a respective canopy to the surface. With a system with multiple canopies in a series with exit arrangements for leaked fluid from a lower canopy to a next upper canopy, the series can readily extend from the surface to a great depth and allow transfer of volumes of the leaked fluid that are not limited by the capacity of canopies or conduits at deep locations.
    Type: Application
    Filed: April 28, 2011
    Publication date: December 29, 2011
    Inventor: Shyam V. Dighe
  • Patent number: 8052946
    Abstract: A system and process for upgrading hydrocarbons such as heavy oils includes a high temperature plasma reactor apparatus, in one or more vessels, into which the oils are introduced along with water, such as steam, to produce lighter hydrocarbon fractions, along with carbon monoxide and hydrogen, that flows to an additional stage where more hydrocarbons and water are introduced for further fractionating reactions facilitated by reaction of carbon monoxide and water to produce carbon dioxide and nascent, or prompt, free radicals of hydrogen. Heavy hydrocarbons upgraded can include heavy oils in the form of tar sands, oil shale, and oil residuals. The vessel or vessels can each contain a carbonaceous bed facilitating the described reactions and example embodiments include one vessel with the reactions performed in a single bed and, also, two vessels with the reactions performed in a carbonaceous bed portion in each vessel.
    Type: Grant
    Filed: October 27, 2009
    Date of Patent: November 8, 2011
    Assignee: Westinghouse Plasma Corporation
    Inventors: Shyam V. Dighe, Mark Anthony Montemurro, Richard Dale Bower, Aleksandr Gorodetsky, Mark F. Darr, Ivan A. Martorell
  • Publication number: 20100215554
    Abstract: A system and process for upgrading hydrocarbons such as heavy oils includes a high temperature plasma reactor apparatus, in one or more vessels, into which the oils are introduced along with water, such as steam, to produce lighter hydrocarbon fractions, along with carbon monoxide and hydrogen, that flows to an additional stage where more hydrocarbons and water are introduced for further fractionating reactions facilitated by reaction of carbon monoxide and water to produce carbon dioxide and nascent, or prompt, free radicals of hydrogen. Heavy hydrocarbons upgraded can include heavy oils in the form of tar sands, oil shale, and oil residuals. The vessel or vessels can each contain a carbonaceous bed facilitating the described reactions and example embodiments include one vessel with the reactions performed in a single bed and, also, two vessels with the reactions performed in a carbonaceous bed portion in each vessel.
    Type: Application
    Filed: October 27, 2009
    Publication date: August 26, 2010
    Inventors: Shyam V. Dighe, Mark Anthony Montemurro, Richard Dale Bower, Aleksandr Gorodetsky, Mark F. Darr, Ivan A. Martorell
  • Publication number: 20100199556
    Abstract: A plasma gasification reactor vessel having a top section with a conical wall extending up from a bottom section, containing a carbonaceous bed into which plasma is injected by plasma torches, to a roof of the vessel is arranged in ways that can contribute to characteristics of gas flow and solids residence time that are favorable for thoroughness of reactions and yield of useful reactions products. In some cases, such a conical wall is combined in arrangements with other features such as one or more feed ports arranged to give more uniform distribution including examples with a feed port that has a distributive feed mechanism. The roof of the vessel, in some examples, has vertical outlet ports that include intrusions into the interior volume of the reactor proximate the conical wall of the top section. The configurations of outlet ports with intrusions and the configurations of feed ports for more uniform distribution of feed material are also applicable to reactor vessels with other geometries.
    Type: Application
    Filed: February 11, 2009
    Publication date: August 12, 2010
    Inventors: Shyam V. Dighe, Mark F. Darr, Ivan A. Martorell, Pieter van Nierop, Aleksandr Gorodetsky, Richard Dale Bower
  • Publication number: 20100199557
    Abstract: A plasma gasification reactor vessel having a top section with a conical wall extending up from a bottom section, containing a carbonaceous bed into which plasma is injected by plasma torches, to a roof of the vessel is arranged in ways that can contribute to characteristics of gas flow and solids residence time that are favorable for thoroughness of reactions and yield of useful reactions products. In some cases, such a conical wall is combined in arrangements with other features such as one or more feed ports arranged to give more uniform distribution including examples with a feed port that has a distributive feed mechanism. The roof of the vessel, in some examples, has vertical outlet ports that include intrusions into the interior volume of the reactor proximate the conical wall of the top section. The configurations of outlet ports with intrusions and the configurations of feed ports for more uniform distribution of feed material are also applicable to reactor vessels with other geometries.
    Type: Application
    Filed: February 11, 2009
    Publication date: August 12, 2010
    Inventors: Shyam V. Dighe, Mark F. Darr, Ivan A. Martorell, Pieter van Nierop, Aleksandr Gorodetsky, Richard Dale Bower
  • Publication number: 20100199560
    Abstract: A plasma gasification reactor vessel having a top section with a conical wall extending up from a bottom section, containing a carbonaceous bed into which plasma is injected by plasma torches, to a roof of the vessel is arranged in ways that can contribute to characteristics of gas flow and solids residence time that are favorable for thoroughness of reactions and yield of useful reactions products. In some cases, such a conical wall is combined in arrangements with other features such as one or more feed ports arranged to give more uniform distribution including examples with a feed port that has a distributive feed mechanism. The roof of the vessel, in some examples, has vertical outlet ports that include intrusions into the interior volume of the reactor proximate the conical wall of the top section. The configurations of outlet ports with intrusions and the configurations of feed ports for more uniform distribution of feed material are also applicable to reactor vessels with other geometries.
    Type: Application
    Filed: February 11, 2009
    Publication date: August 12, 2010
    Inventors: Shyam V. Dighe, Mark F. Darr, Ivan A. Martorell, Pieter van Nierop, Aleksandr Gorodetsky, Richard Dale Bower
  • Publication number: 20090307974
    Abstract: A system and process for reducing atmospheric greenhouse gas, particularly carbon dioxide, uses, in some forms, a reactor, such as a plasma gasification reactor (PGR), to chemically reduce sequestered carbon dioxide with high heat in a carbonaceous bed to form gaseous products then used above the bed to convert biomass to lighter hydrocarbons, as well as hydrogen and carbon monoxide. In some arrangements the sequestered carbon dioxide supplied to a reactor is derived from a power plant's exhaust. The gaseous products of a reactor may be supplied to an additional reactor for processing to form liquid fuels or may be supplied as gas fuel to an electric power plant or otherwise combusted. Where the output of the CO2 conversion and the biomass conversion is converted to liquid fuels, such as ethanol, such fuels may be either applied as transportation fuels or used to generate electric power, among other uses.
    Type: Application
    Filed: June 14, 2008
    Publication date: December 17, 2009
    Inventors: Shyam V. Dighe, Ingo Krieg
  • Patent number: 7632394
    Abstract: A system and process for upgrading hydrocarbons such as heavy oils includes high temperature plasma reactor apparatus, in one or more vessels, into which the oils are introduced along with water, such as steam, to produce lighter hydrocarbon fractions, along with carbon monoxide and hydrogen, that flows to an additional stage where more hydrocarbons and water are introduced for further fractionating reactions facilitated by reaction of carbon monoxide and water to produce carbon dioxide and nascent, or prompt, free radicals of hydrogen. Heavy hydrocarbons upgraded can include heavy oils in the form of tar sands, oil shale, and oil residuals. The vessel or vessels can each contain a carbonaceous bed facilitating the described reactions and example embodiments include one vessel with the reactions performed in a single bed and, also, two vessels with the reactions performed in a carbonaceous bed portion in each vessel.
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: December 15, 2009
    Assignee: Westinghouse Plasma Corporation
    Inventors: Shyam V. Dighe, Mark Anthony Montemurro, Richard Dale Bower, Aleksandr Gorodetsky, Mark F. Darr, Ivan A. Martorell