Utilizing Recovered Heat For Heating Feed Patents (Class 203/22)
  • Patent number: 9481620
    Abstract: Disclosed is a process and apparatus for heat recovery in vinyl chloride monomer manufacturing plants or in integrated vinyl chloride monomer/polyvinyl chloride manufacturing plants. A process for capture and use of excess heat recovered in the production of vinyl chloride includes distillatively purifying DCE in a high-boilers column, using a heat exchanger to capture thermal energy from a purified DCE vapor stream from the high-boilers column, generating low pressure steam from the captured thermal energy, returning condensed DCE vapors to the high-boilers column, and heating parts of the plant with the generated low pressure steam.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: November 1, 2016
    Assignee: ThyssenKrupp Industrial Solutions AG
    Inventors: Michael Benje, Peter Kammerhofer
  • Patent number: 9334209
    Abstract: Energy savings in an integrated DCE/VCM plant, optionally also containing a PVC plant, is accomplished by using at least part of the vapor from a DEC quenching column to supply heat to an HCl column. The DCE plant has a high boiler column operating at superatmospheric pressure, and heat is removed from an overhead stream and used to supply heat to other portions of the process.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: May 10, 2016
    Assignees: THYSSENKRUPP INDUSTRIAL SOLUTIONS AG, VINNOLIT GMBH & CO. KG
    Inventor: Manuel Braun
  • Patent number: 9165797
    Abstract: A solvent such as PGMEA is coated on a wafer in advance to easily spread resist liquid onto the wafer on a spin chuck. Before coating, the solvent supplied from a solvent supply source is stored in a distill tank first, the solvent is heated by a heating unit to be evaporated, and the evaporated solvent is cooled by a cooler, thereby performing the purification of the solvent by distillation. Therefore, particles among the solvent are removed. The purified solvent is stored in a storage tank first, and then supplied to a solvent nozzle above the spin chuck from a solvent supplying line. And then, the solvent is coated on the wafer by ejecting the solvent from the solvent nozzle to the wafer. Further, the distill tank is cleaned periodically to suppress the increase of the concentration of the particles in the solvent.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: October 20, 2015
    Assignee: Tokyo Electron Limited
    Inventors: Kousuke Yoshihara, Yuichi Yoshida, Soichiro Okada
  • Patent number: 8986508
    Abstract: A thermal desalination system adapted to produce distilled water from feed water which may be sea water, based on a forward feed evaporator made up of a main water feed line, a vapor feed line, a distilled water main line and any number of effect groups. The effect groups include any number of effects which in turn include vapor inlets, water inflow lines, concentrate outflow lines that drain into a common concentrate drainage line, a vapor and water outlet in fluid communication with the distilled water main line, and heat transfer means that condense part of an inlet vapor to produce the distilled water.
    Type: Grant
    Filed: October 21, 2013
    Date of Patent: March 24, 2015
    Assignee: I.D.E. Technologies Ltd.
    Inventors: Avraham Ophir, Joseph Weinberg
  • Patent number: 8920771
    Abstract: A process and system for producing a H2-containing product gas and purified water from an integrated catalytic steam-hydrocarbon reforming and thermal water purification process. Raw water, such as salt water, is heated by indirect heat transfer with reformate from the catalytic steam reforming process for purifying raw water in one of a multiple effect distillation process and a multi-stage flash process.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: December 30, 2014
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Xiang-Dong Peng, Bryan Clair Hoke, Jr.
  • Patent number: 8889013
    Abstract: Water purification and recycling system that generates electricity and has a large reservoir and a small reservoir that provides potable water to a water user structure. After use by the water user structure, wastewater is applied from said water user structure via at least one wastewater path to wastewater treatment apparatus. The wastewater treatment apparatus receives and processes the wastewater using a power plant that operates continuously to produce steam. The wastewater treatment apparatus is also powered by a co-adjuvant gas turbine generator is adapted to generate supplemental steam for the power plant.
    Type: Grant
    Filed: March 24, 2011
    Date of Patent: November 18, 2014
    Inventor: William E. Coleman
  • Publication number: 20140305789
    Abstract: A thermal distillation apparatus including evaporation surfaces that are wetted with a solution, and from which at least some of the volatile solvent contained in the solution evaporates, condensers having an external surface in close proximity to, but not touching, a corresponding one of the one or more evaporation surfaces, and on which vapors of the solvent condense, releasing thermal energy that heats a flow of the solution moving upward within the condensers, spacers that prevent contact between the evaporating surfaces and the condensers, wherein spaces between the evaporating surfaces and the condensers are filled with a gaseous mixture composed of solvent vapor and one or more non-condensable gases, and except for diffusion of the solvent vapor relative to the non-condensable gases, the gaseous mixture is stationary.
    Type: Application
    Filed: June 8, 2012
    Publication date: October 16, 2014
    Applicant: AIL RESEARCH INC.
    Inventor: Andrew Lowenstein
  • Publication number: 20140284201
    Abstract: A solar-powered concentration unit and method of conducting a solar powered separation are described. An improved method of solar-powered concentration of ethylene glycol is described and exemplified. The invention also includes a mobile distillation/concentration unit that can be placed on a truck and transported to a desired location. A further advantage of the invention is that good separations can be achieved without the use of a selective membrane and/or mechanical pumps.
    Type: Application
    Filed: March 17, 2014
    Publication date: September 25, 2014
    Applicant: Battelle Memorial Institute
    Inventors: Lincoln G. Remmert, Shane S. Walton
  • Publication number: 20140224639
    Abstract: In a devolatilization/solution concentration process which comprises pre-heating a feed stream, providing a small amount of additional heat to the pre-heated stream, evaporating a portion of the heated stream into a gaseous medium to cool the remaining, concentrated stream, and condensing the vapor in the gaseous medium to provide the pre-heating and produce a condensed volatile matter stream, particularly when the feed stream comprises a dilute aqueous solution containing a dissolved desiccant, the temperature of the pre-heated stream can be raised by evaporating a portion of an auxiliary heat transfer fluid into a gaseous medium and condensing its vapor in the gaseous medium to provide at least another part of the pre-heating. This will reduce the amount of the additional heat which has to be supplied, improve the performance, and better adapt the process to various end-use applications.
    Type: Application
    Filed: February 12, 2013
    Publication date: August 14, 2014
    Inventor: Chaloke Pungtrakul
  • Publication number: 20140224640
    Abstract: A distillation system and method. The system includes a recirculation pump and a separation system for receiving a multi-media fluidic solution and operating at a temperature different than ambient temperature and at a pressure different than ambient pressure. The system further includes a separator for separating heavier particles from the multi-media fluidic solution. The separator separates heavier particles from the multi-media fluidic solution at the temperature and pressure of the separation system.
    Type: Application
    Filed: August 16, 2012
    Publication date: August 14, 2014
    Inventors: Roger Fincher, Dan Owen
  • Publication number: 20140158518
    Abstract: Method of concentrating aqueous alkali and apparatus suitable for this purpose. A very energy-saving method of concentrating aqueous alkali originating, for example, from a chloralkali electrolysis plant and an apparatus suitable for this purpose are described. The method/the apparatus utilizes heat of reaction from the formation of 1,2-dichloroethane and includes multistage concentration of the aqueous alkali, where at least part of the heat required for concentrating the aqueous alkali originates from the plant for preparing 1,2-dichloroethane and at least a further part of the heat required for concentrating the aqueous alkali originates from at least one of the higher stages of the plant for concentrating the aqueous alkali and is used for partial heating of the first stage. The apparatus can be used for retrofitting existing integrated plants made up of a DCE plant and chloralkali electrolysis or in the erection of new plants.
    Type: Application
    Filed: June 27, 2012
    Publication date: June 12, 2014
    Applicants: VINNOLIT GMBH & CO. KG, THYSSENKRUPP UHDE GMBH
    Inventors: Michael Benje, Sven Petersen, Michael Kleiber
  • Patent number: 8696873
    Abstract: The present invention relates to a method for purification of bilge and sludge water on a ship, especially at sea, using excess heat from the ship's engine(s) to a level of oil contamination of less than 15 ppm. The invention also relates to a plant for carrying out the method, and a vessel including such plant, as well as the use of the method and plant.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: April 15, 2014
    Assignee: PPM-Clean AB
    Inventors: Benny Karlström, Jan Hedkvist
  • Patent number: 8696872
    Abstract: An improved water desalination system is disclosed, in which contaminated water such as seawater or brackish water is preheated and fed into a primary pressure vessel through a distribution head. The seawater is distributed from the distribution head over a non-adherent surface such as a plurality of silicone chords hanging below a distribution tank or a cone- and cylindrical-shaped surface. The water is exposed to a high temperature steam environment in the chamber to cause at least a portion of the water in the contaminated water to evaporate, while the remaining concentrated salts from the contaminated water fall to the bottom of the chamber. A portion of the steam in the primary pressure vessel is withdrawn to be condensed into fresh water. The energy withdrawn with the steam extracted from the primary pressure vessel is made up by a supplemental energy apparatus, such as a steam generator.
    Type: Grant
    Filed: June 19, 2012
    Date of Patent: April 15, 2014
    Assignee: Water Desalination International, Inc.
    Inventor: Frank Passarelli
  • Patent number: 8691056
    Abstract: A system and method for separating a fluid mixture is provided which employ vacuum distillation apparatus, and optionally, gas-handling apparatus operable to introduce a gas into the liquid mixture prior to being dispersed within the vacuum distillation apparatus. The liquid mixture is dispersed within the vacuum distillation apparatus as micro-sized droplets. When used, the gas that has been introduced into the liquid mixture is rapidly liberated from the micro-sized droplets thereby causing the droplets to break into still smaller droplets thereby maximizing the vaporization of the more volatile components in the liquid mixture.
    Type: Grant
    Filed: April 12, 2010
    Date of Patent: April 8, 2014
    Assignee: Distillation Technologies, Inc.
    Inventors: Sam J. Burton, Dick Burton
  • Publication number: 20140073044
    Abstract: In a process, a portion of a liquid mixture flow is vaporized to produce a vapor and a depleted flow of liquid. The vapor is introduced to a brine which is adapted to exothermically absorb one or more components therefrom, and heat is withdrawn, to produce at least a flow of heat and a flow of brine which is enriched in the one or more components. The heat previously withdrawn is transferred, to drive the vaporization. This transfer can be associated with the change of a working fluid from a gaseous into a liquid state. In this case, the heat withdrawal involves the change of the working fluid from the liquid to the gaseous state. In the liquid state, the working fluid flows only by one or more of gravity, convection and wicking. In the gaseous state, the working fluid flows only by one or more of diffusion and convection.
    Type: Application
    Filed: November 12, 2013
    Publication date: March 13, 2014
    Applicant: Drystill Holdings Inc.
    Inventors: Ian R. McGregor, Christopher H. Belchers
  • Publication number: 20140034479
    Abstract: A process and system for producing a H2-containing product gas and purified water from an integrated catalytic steam-hydrocarbon reforming and thermal water purification process. Raw water, such as salt water, is heated by indirect heat transfer with reformate from the catalytic steam reforming process for purifying raw water in one of a multiple effect distillation process and a multi-stage flash process.
    Type: Application
    Filed: October 23, 2013
    Publication date: February 6, 2014
    Applicant: AIR PRODUCTS AND CHEMICALS INC.
    Inventors: Xiang-Dong Peng, Bryan Clair Hoke, JR.
  • Publication number: 20130334104
    Abstract: A method of distilling a chemical mixture, the method including receiving, in a vessel comprising a complex, the chemical mixture comprising a plurality of fluid elements, applying electromagnetic (EM) radiation to the complex, wherein the complex absorbs the EM radiation to generate heat at a first temperature, transforming, using the heat generated by the complex, a first fluid element of the plurality of fluid elements of the chemical mixture to a first vapor element, and extracting the first vapor element from the vessel, where the complex is at least one selected from a group consisting of copper nanoparticles, copper oxide nanoparticles, nanoshells, nanorods, carbon moieties, encapsulated nanoshells, encapsulated nanoparticles, and branched nanostructures.
    Type: Application
    Filed: November 30, 2011
    Publication date: December 19, 2013
    Applicant: WILLIAM MARSH RICE UNIVERSITY
    Inventors: Nancy J. Halas, Peter Nordlander, Oara Neumann
  • Patent number: 8597525
    Abstract: Water purification and recycling system having a large reservoir and a small reservoir adapted to provide potable water to a water user structure. After use by the water user structure, wastewater is applied from said water user structure via at least one wastewater path to wastewater treatment apparatus. The wastewater treatment apparatus receives and processes the wastewater using a coal free power plant that operates continuously to produce steam. The wastewater treatment apparatus is also powered by a co-adjuvant gas turbine generator is adapted to generate supplemental steam for the coal free power plant.
    Type: Grant
    Filed: May 3, 2011
    Date of Patent: December 3, 2013
    Inventor: William E. Coleman
  • Patent number: 8591704
    Abstract: A fractionation process for producing at least two concentration fractions of a fluid including a solute, suspended or dissolved content using at least two fluidly connected evaporator units is provided. The process includes the steps of: feeding a feed fluid including a solute, suspended or dissolved content into at least a first evaporator unit; evaporating a first amount of fluid from the feed fluid in at least the first evaporator unit to produce a first concentrated fluid; feeding at least a portion of the first concentrated fluid into at least a second evaporator unit; and evaporating a second amount of fluid from the first concentrated fluid in at least the second evaporator unit to produce a second concentrated fluid.
    Type: Grant
    Filed: March 20, 2009
    Date of Patent: November 26, 2013
    Assignee: Creative Water Technology Ltd.
    Inventor: Stephen Shelley
  • Patent number: 8557087
    Abstract: The present invention relates to a process for the separation by distillation of a hydrocarbon-containing feed stream containing olefin monomer, co-monomer and hydrocarbon diluent. The present invention also relates to a distillation system including a distillation column for carrying out the process according to the invention.
    Type: Grant
    Filed: July 15, 2008
    Date of Patent: October 15, 2013
    Assignee: Total Petrochemicals Research Feluy
    Inventor: Denis Mignon
  • Publication number: 20130263616
    Abstract: In a devolatilization/solution concentration process, the feed stream is pre-heated and further heated to a temperature which is higher than the normal boiling point, evaporated into a circulating gaseous medium to obtain a concentrated stream, and the vapor in the circulating gaseous medium is condensed to provide the pre-heating and produce a condensed stream. Increasing the temperature span between the heated stream and the cooled, concentrated stream provides more energy for evaporation into the circulating gaseous medium and improves the performance. The process is thus better adapted for fresh-water production, salt-solution concentration, volatile-matter extraction, air conditioning, refrigeration, low-temperature heat energy upgrading, and electricity generation. Examples of the relevant applications are also provided.
    Type: Application
    Filed: April 10, 2012
    Publication date: October 10, 2013
    Inventor: Chaloke Pungtrakul
  • Patent number: 8545681
    Abstract: Disclosed is a process for improving the efficiency of a combined-cycle power generation plant and desalination unit. The process includes supplying exhaust gases from a gas turbine set used to generate electrical power to a heat recovery steam generator (HRSG) and then directing the steam from the HRSG to a steam turbine set. Salinous water is supplied into an effect of the desalination unit. Steam exhausted from the steam turbine set is utilized in the effect of the desalination unit to produce a distillate vapor and brine from the effect by heat exchange. Additionally, steam is introduced steam from at least one additional heat source from the combined-cycle power generation plant to the effect to increase the mass flow rate of steam into the effect. In one embodiment, the additional heat source is an intercooler heat exchanger. Heated water from the intercooler heat exchanger is provided to a reduced atmosphere flash tank, and the steam flashed in the flash tank is provided to the effect.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: October 1, 2013
    Assignee: General Electric Company
    Inventors: Andrew Philip Shapiro, Nishith Vora, Ching-Jen Tang, AliciA Jillian Jackson Hardy, Douglas Westerkamp
  • Publication number: 20130233695
    Abstract: Embodiments of the invention are directed toward a novel pressurized vapor cycle for distilling liquids. In an embodiment of the invention, a liquid purification system is revealed, including the elements of an input for receiving untreated liquid, a vaporizer coupled to the input for transforming the liquid to vapor, a head chamber for collecting the vapor, a vapor pump with an internal drive shaft and an eccentric rotor with a rotatable housing for compressing vapor, a condenser in communication with the vapor pump for transforming the compressed vapor into a distilled product, and an electric motor with motor rotor and magnets hermetically sealed within the fluid pressure boundary of the distillation system.
    Type: Application
    Filed: October 5, 2012
    Publication date: September 12, 2013
    Applicant: DEKA Products Limited Partnership
    Inventors: Jason A. Demers, Scott A. Leonard, Kingston Owens
  • Patent number: 8470179
    Abstract: A water distillation system includes a membrane distillation unit which produces desalinated water from feed water comprising salt water. The system also includes a primary water heater which raises a temperature of the feed water upstream of the feed water entering the membrane distillation unit. The system additionally includes an evaporative cooler which lowers a temperature of a coolant upstream of the coolant entering the membrane distillation unit.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: June 25, 2013
    Assignee: King Abdulaziz City for Science and Technology
    Inventors: Ibrahim A. Al-Arifi, Hisham Taha Abdulla El-Dessouky
  • Patent number: 8465628
    Abstract: A solar energy conversion and distillation apparatus floats on a body of saltwater and includes a matrix of buoyant distillation modules that produce and collect distilled water for on-shore usage. The distillation modules and other buoyant structures are mutually joined within a peripheral seawall to form an atmospheric barrier, and each distillation module includes a submerged energy absorber layer to form an energy conversion chamber that confines a shallow volume of solar-heated seawater. Water vapor in the air above the confined water condenses on chilled heat exchanger conduits, and the energy absorber layer is water permeable so that confined water lost to evaporation and condensation is replenished with water from a thermal reservoir underlying the energy conversion chamber. Buoyant mistifier units in each distillation module enhance the evaporative surface area of the water vapor subject to condensation.
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: June 18, 2013
    Inventor: Richard L. Henderson
  • Patent number: 8460551
    Abstract: A water distillation system includes a membrane distillation unit which produces desalinated water from feed water comprising salt water. The system also includes a primary water heater which raises a temperature of the feed water upstream of the feed water entering the membrane distillation unit. The system additionally includes an evaporative cooler which lowers a temperature of a coolant upstream of the coolant entering the membrane distillation unit.
    Type: Grant
    Filed: May 26, 2010
    Date of Patent: June 11, 2013
    Assignee: King Abdulaziz City for Science and Technology
    Inventors: Ibrahim A. Al-Arifi, Hisham Taha Abdulla El-Dessouky
  • Patent number: 8444830
    Abstract: A desalination process including heating brine in a preheating chamber and transferring the brine to a rotary kiln to be sprayed against the wall structure of the rotary kiln to boil to steam and a residue of salt/impurities, the exiting steam being pressurized in a compressor and passed to an externally powered heater to be heated and then fed to a hollow wall structure of the rotating kiln in which the steam condenses to pure water to be transferred to the preheating chamber to preheat the incoming brine, the rotating kiln being arranged to rotate past a scraper to remove salt/impurities from the wall structure for collection at the base of the kiln.
    Type: Grant
    Filed: June 17, 2008
    Date of Patent: May 21, 2013
    Inventor: Garth Davey
  • Publication number: 20130075245
    Abstract: Systems and methods are provided for heating and manipulating a fluid to heat the fluid, evaporate water from the fluid, concentrate the fluid, separate the fluid into fractions; and/or pasteurize the fluid, comprising a closed-loop heating subsystem coupled to a primary fluid-to-fluid heat exchanger, and one or more fluid manipulation subsystems also coupled to the primary fluid-to-fluid heat exchanger.
    Type: Application
    Filed: July 21, 2012
    Publication date: March 28, 2013
    Inventor: F. ALAN FRICK
  • Patent number: 8361277
    Abstract: An evaporator is provided for evaporation of liquid from a solution or liquid mixtures, together with methods of operation of the evaporator. The evaporator comprises a chamber (1); a liquid reservoir (3) for holding a heat transfer liquid exposed to the interior of the chamber; a support (6) for supporting a container (8) in the chamber, such that the liquid sample in the container is exposed to a fluid path (15) for connection to a condenser (16), the fluid path being separated from the chamber interior, and at least a portion of the container is closely thermally coupled to the chamber interior; and means (4) for heating the heat transfer liquid in the reservoir to create heat transfer liquid vapor, which in use condenses and releases latent heat of vaporization to the liquid sample in the container. As the temperature of the sample is dependent on the saturated vapor temperature of the liquid in the reservoir, the temperature of the samples is reliably limited, thereby avoiding overheating.
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: January 29, 2013
    Assignee: Genevac Limited
    Inventor: Donald Roger Lee-Smith
  • Patent number: 8337672
    Abstract: The invention relates to the oil processing industry and can be used for producing vacuum in a vacuum petroleum distillation column. The inventive method involves pumping out a vapor-gas medium from the column by of a gas-gas ejector in such a way that a vapor-gas mixture is formed at the entry thereof and supplying said mixture to a condenser for producing a gas mixture and a vapor phase condensate. The gas mixture is supplied from the condenser to a liquid-gas jet apparatus and the condensate is delivered to an additional separator. A hydrocarbon-containing condensate is removed from the additional separator for the intended use thereof and a water-containing condensate is fed to a steam generator for producing steam by supplying heat of a hot distillate evacuated from the vacuum column. The thus obtained steam is used in the gas-gas ejector as a high-pressure gas.
    Type: Grant
    Filed: November 6, 2008
    Date of Patent: December 25, 2012
    Inventor: Valery Grigorievich Tsegelsky
  • Patent number: 8206558
    Abstract: A processing apparatus (1) for the processing of process or industrial wastewaters is provided. The processing apparatus (1) has an evaporator (4) in which a tube bundle heat exchanger is provided, whose pure distillate side is connected to a separating apparatus for separating the distillate from floating organic phase or similar free liquid constituents. This separating apparatus is intended to collect the floating organic phase from the condensate, in order that this phase can be sucked back into the evaporator (4). In addition, the vapor mixture is conducted from the separating apparatus (8) to a recuperator (3) and cooled to such an extent that the water, the volatile solvents and the organic material dissolved in the vapor can be condensed and discharged separately or can be sucked back into the evaporator (4). This allows significantly better distillate qualities to be achieved.
    Type: Grant
    Filed: February 3, 2007
    Date of Patent: June 26, 2012
    Assignee: H20 GmbH
    Inventors: Matthias Fickenscher, Daniel Ladenberger
  • Patent number: 8172987
    Abstract: An energy-efficient extractive distillation process for producing anhydrous ethanol from aqueous/ethanol feeds containing any range of ethanol employs an extractive distillation column (EDC) that operates under no or greatly reduced liquid reflux conditions. The EDC can be incorporated into an integrated process for producing anhydrous ethanol used for gasoline blending from fermentation broth. By using a high-boiling extractive distillation solvent, no solvent, is entrained by the vapor phase to the EDC overhead stream, even under no liquid reflux conditions. The energy requirement and severity of the EDC can be further improved by limiting ethanol recovery in the EDC. In this partial ethanol recovery design, ethanol which remains in the aqueous stream from the EDC is recovered in a post-distillation column or the aqueous stream is recycled to a front-end pre-distillation column where the ethanol is readily recovered since the VLE curve for ethanol/water is extremely favorable for distillation.
    Type: Grant
    Filed: July 17, 2011
    Date of Patent: May 8, 2012
    Assignees: AMT International Inc., CPC Corporation, Taiwan
    Inventors: Fu-Ming Lee, Tzong-Bin Lin, Jyh-Haur Hwang, Hung-Chung Shen, Kuang-Yeu Wu, Lindsey Vuong, Fong-Cheng Su, Po-Sung Cheng, Tai-Ping Chang
  • Publication number: 20120048717
    Abstract: Systems and methods are provided for separating a fluid into some or all of boiling point components comprising an opened-loop heating circuit or a closed-loop heating circuit both comprising a rotary heating device, such as a water brake, or a closed-loop direct-fired boiler heating circuit, or an electric heater circuit; and systems and methods for separating a fluid.
    Type: Application
    Filed: March 22, 2011
    Publication date: March 1, 2012
    Inventor: FRANKLIN ALAN FRICK
  • Publication number: 20120024687
    Abstract: A method of separating a high boiling component from a mixture containing organic and/or inorganic boiling components which method involves providing an induction heated screw conveyor having an auger and passing the mixture through the induction heated screw conveyor while inductively heating the auger so as to heat the mixture in the induction heated screw conveyor. The mixture is heated to a temperature that is sufficient to cause the boiling component(s) to separate from the mixture as a vapor and the boiling component is removed from the induction heated screw conveyor.
    Type: Application
    Filed: July 26, 2011
    Publication date: February 2, 2012
    Applicant: HERITAGE ENVIRONMENTAL SERVICES, LLC
    Inventors: James E. Bratina, David Bowering, Perry Eyster, Thomas Roberts
  • Patent number: 8080166
    Abstract: A multiphase separation system utilized to remove contaminants from fluids includes a pre-filtering module for filtering a contaminated fluid to provide a filtered contaminated fluid. A condenser module receives the filtered contaminated fluid and a contaminated gas phase for condensing the contaminated gas phase to a contaminated liquid. A phase reaction chamber converts the filtered contaminated fluid to a contaminated mist wherein the mist is subjected to a low energy, high vacuum environment for providing a first change of phase by separating into a contaminated gas phase and a liquid mist phase. The contaminated gas phase is carried out of the phase reaction chamber by a carrier air. A vacuum pump provides the low energy, high vacuum environment in the phase reaction chamber and delivers the contaminated gas phase to the condenser module for condensation providing a second change of phase.
    Type: Grant
    Filed: October 5, 2009
    Date of Patent: December 20, 2011
    Assignee: Liquid Separation Technologies and Equipment, LLC
    Inventor: Wayne W. Spani
  • Patent number: 8002953
    Abstract: An energy-efficient extractive distillation process for producing anhydrous ethanol from aqueous/ethanol feeds containing any range of ethanol employs an extractive distillation column (EDC) that operates under no or greatly reduced liquid reflux conditions. The EDC can be incorporated into an integrated process for producing anhydrous ethanol used for gasoline blending from fermentation broth. By using a high-boiling extractive distillation solvent, no solvent is entrained by the vapor phase to the EDC overhead stream, even under no liquid reflux conditions. The energy requirement and severity of the EDC can be further improved by limiting ethanol recovery in the EDC. In this partial ethanol recovery design, ethanol which remains in the aqueous stream from the EDC is recovered in a post-distillation column or the aqueous stream is recycled to a front-end pre-distillation column where the ethanol is readily recovered since the VLE curve for ethanol/water is extremely favorable for distillation.
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: August 23, 2011
    Assignees: AMT International Inc., CPC Corporation, Taiwan
    Inventors: Fu-Ming Lee, Kuang-Yeu Wu, Lindsey Vuong, Fong-Cheng Su, Tzong-Bin Lin, Jyh-Haur Hwang, Hung-Chung Shen, Po-Sung Cheng, Tai-Ping Chang
  • Publication number: 20110180383
    Abstract: A membrane distillation system includes a distillation vessel, an array of hollow fiber membranes pervious to distillate vapor but impervious to feed solution and an array of hollow tubes impervious to distillate vapor and feed solution but which allow thermal energy transmission. The system further includes a pump, a heat exchanger for heating the feed solution before it enters the hollow fiber membranes, and an outlet for removing distillate from the distillation vessel. A method for removing distillate from a feed solution includes delivering the feed solution through hollow tubes spanning a distillation vessel, heating the feed solution, delivering the feed solution through hollow fiber membranes spanning the distillation vessel to create a vapor pressure differential between the hollow fiber membranes and a distillation volume within the distillation vessel, and removing distillate from the distillation vessel.
    Type: Application
    Filed: January 27, 2010
    Publication date: July 28, 2011
    Applicant: MILTON ROY COMPANY
    Inventors: Zidu Ma, Timothy D. Davis, James R. Irish, Gary D. Winch
  • Publication number: 20110172458
    Abstract: The present disclosure relates, according to some embodiments, to apparatus, systems, and/or methods for fractionating a feed mixture comprising, for example, one or more isocyanates, light components, solvents and/or heavier components. In some embodiments, fractionating an isocyanate feed mixture may comprise distilling the feed mixture in a non-adiabatic fractionating apparatus comprising a prefractionating section and/or column and a main section and/or column, which comprises a rectification section, a side section, and a stripping section. For example, isocyanates may be separated from light component(s), solvent(s) and/or heavier component(s). A fractionating apparatus may be configured and arranged, in some embodiments, as a dividing wall column. According to some embodiments of the disclosure, apparatus, systems, and/or methods may be energy efficient and/or may have a broad operating range.
    Type: Application
    Filed: October 1, 2009
    Publication date: July 14, 2011
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Andrei S. Merenov, Luca Balbo, Douglas A. Stallard, John G. Pendergast, JR., Joerg-Peter Gehrke, Amilcar R. Collado, David D. Hibbitts
  • Patent number: 7955478
    Abstract: A solar distillation apparatus utilizing a substantially vertical reactor assembly is disclosed. The reactor includes a tubular outer shell, a base, a cap, and a central tension member. The annular space between the outer tube and the central tension member forms the reactor chamber. Seawater or other feed liquid enters the reactor chamber through the base plate. Reflected or direct solar energy heats the feed liquid, generating low pressure vapor. The vapor exits the reactor through the cap structure or the base. The concentrate left behind settles by gravity to the bottom region of the reactor's liquid column. Extension tubes on the feed openings allow feed liquid to enter the liquid column above the concentrate layer and avoid excessive mixing of the feed liquid and the concentrate. The concentrate exits the reactor through one or more openings in the base.
    Type: Grant
    Filed: February 14, 2007
    Date of Patent: June 7, 2011
    Inventor: Miles McClure
  • Publication number: 20110031101
    Abstract: The present invention relates to a fractionation process for producing at least two concentration fractions of a fluid including a solute, suspended or dissolved content using at least two fluidly connected evaporator units. The process includes the steps of: feeding a feed fluid including a solute, suspended or dissolved content into at least a first evaporator unit; evaporating a first amount of fluid from the feed fluid in at least the first evaporator unit to produce a first concentrated fluid; feeding at least a portion of the first concentrated fluid into at least a second evaporator unit; and evaporating a second amount of fluid from the first concentrated fluid in at least the second evaporator unit to produce a second concentrated fluid.
    Type: Application
    Filed: March 20, 2009
    Publication date: February 10, 2011
    Inventor: Stephen Shelley
  • Patent number: 7867365
    Abstract: The present invention relates to a system for producing ethanol from an organic source and that operates to purify and dry ethanol from a beer source. The system for producing substantially anhydrous ethanol comprises: (a) a first distillation stripping column; (b) a second distillation rectifying column having a higher operating temperature than said stripping column; (c) a molecular sieve dehydration means in fluid communication with said rectifying column. Heat from the overhead of the second distillation rectifying column and the molecular sieve dehydration are used to heat the first distillation stripping column.
    Type: Grant
    Filed: March 29, 2004
    Date of Patent: January 11, 2011
    Assignee: Thermal Kinetics Systems, LLC
    Inventor: Christopher J. Brown
  • Publication number: 20100288622
    Abstract: In a method and apparatus for thermal processing of slurry, slurry is combined with a bio-mass to produce a mixture. The mixture is subjected in a heated mixer pump to a cracking temperature, thereby allowing the mixture to catalytically undergo a cracking reaction to produce a reaction mixture which is directly outgased in the mixer pump to produce an outgased portion and a solid portion. The outgased portion and the solid portion are separately discharged from the mixer pump; with the low boiling fraction of the outgased portion allowed to cool down for further processing, and the solid portion collected in a residual matter container for further processing.
    Type: Application
    Filed: July 22, 2010
    Publication date: November 18, 2010
    Inventor: Jürgen BUCHERT
  • Patent number: 7771567
    Abstract: The salt water distillation system includes a sprinkler to form a mist of salt water over a distillation plate. The distillation plate is heated by applying electrical current to a heating coil. The steam is transferred to a condensation chamber and condensed fresh water is collected. During the desalination process, salt impurities are deposited on the hot distillation plate. A sludge remover, i.e., a steam head and movable ram, is provided to clean the distillation plate of the salt impurities. An exhaust fan is provided to cool fresh water condensate and lower air pressure in the system. Heat transferred from the steam during condensation is used to pre-heat the salt water to increase efficiency of the system.
    Type: Grant
    Filed: August 8, 2006
    Date of Patent: August 10, 2010
    Inventors: Michael L. Rives, James O. Riley
  • Patent number: 7692053
    Abstract: 1,3-butadiene is obtained by extractive distillation with a selective solvent from a C4 cut comprising C4 acetylenes as secondary components in a dividing wall column having a bottom evaporator, in which a dividing wall is disposed in the longitudinal direction of the column to form a first subregion, a second subregion and a lower combined column region. The column is disposed upstream of an extractive wash column. The energy input into the dividing wall column via the bottom evaporator is controlled in such a way that a bottom stream containing solvent, C4 acetylenes and 1,3-butadiene restricted such that the loss of 1,3-butadiene is economically acceptable, is drawn off and fed to an acetylenes outgasser where the C4 acetylenes are stripped out overhead and purified solvent is obtained as the bottom stream.
    Type: Grant
    Filed: February 4, 2005
    Date of Patent: April 6, 2010
    Assignee: BASF Aktiengesellschaft
    Inventor: Bernd Heida
  • Patent number: 7666281
    Abstract: Purified water for special purposes is produced using a falling-film multieffect evaporator. From the feed water, each effect produces a steam phase and a water phase. The steam phase is used for heating in the subsequent evaporating step, whereby the steam phase condenses to product water, and the water phase becomes feed water for the subsequent evaporation step. According to the invention, the product water may be wholly or partly recycled to the initial feed water, allowing process startup and sterilisation of the plant without conducting hot product water to the drain.
    Type: Grant
    Filed: May 12, 2004
    Date of Patent: February 23, 2010
    Assignee: STERIS Europe Inc. Suomen Sivuliike
    Inventors: Ilkka Olavi Laitinen, Teppo Nurminen, Mauri Salmisuo
  • Patent number: 7641772
    Abstract: A distillation unit (10) employs a fluid circuit (FIG. 8) in which a counterflow heat exchanger (102, 104, 106, 108, 110) transfers heat from condensate and concentrate to feed liquid to be distilled. The pumping system (100, 238) that drives fluid through the circuit is arranged to keep the pressure in the counterflow heat exchanger's condensate higher than that in its feed-liquid passage. This tends to discourage the contamination that could otherwise occur in the concentrate if the fluid isolation ordinarily maintained between those passages is compromised.
    Type: Grant
    Filed: January 20, 2005
    Date of Patent: January 5, 2010
    Assignee: Zanaqua Technologies, Inc.
    Inventor: William H. Zebuhr
  • Publication number: 20090218210
    Abstract: Methods and devices are provided for an energy-efficient distillation system (42). An energy-efficient distillation system (42) can include a fluid inlet (24), one or more heat-yielding purification elements (7, 15, 44) downstream of the fluid inlet (24), one or more heat pipes (6), and a fluid outlet (23) downstream of the heat-yielding purification element (7, 15, 44). The heat-yielding purification element (7, 15, 44) can be, for example, a degasser (7), a demister (15), or an evaporation chamber (44). A heat pipe (6) has a first end operably connected to the heat-generating purification element(s) (7, 15, 44), a second end operably connected to the fluid inlet (24), and a body therebetween. The heat pipe (6) is configured to transfer latent heat energy from the first end to the second end, thereby heating a fluid (8) within the fluid inlet (24). The distillation system (42) can also include one or more descaling elements (21) for reducing scale formation of the fluid (8).
    Type: Application
    Filed: October 16, 2006
    Publication date: September 3, 2009
    Inventors: Laura Demmons, Eugene Thiers
  • Patent number: 7540944
    Abstract: The present water reclamation system comprises a series of concentric thin shells. The shells mount within a housing that can be maintained under vacuum or low pressure. The shells rotate at high velocity. Contaminated liquid from outside the housing is injected into the space between half the shells. The centrifugal force causes the liquid to form a thin film along the inward facing surface of the shell. A compressor lowers the pressure adjacent the thin film causing the liquid to boil. The compressor carries the vapor to the other side of those shells at a slightly higher temperature. There the vapor encounters the wall, which is cooler and its heat is transferred to boil the contaminated liquid. The vapor condenses, and rotation throws the condensate against the adjacent wall where it is collected. When condensing, the heat of condensation transfers to the shell for boiling the incoming contaminated liquid.
    Type: Grant
    Filed: February 23, 2004
    Date of Patent: June 2, 2009
    Inventors: Jack Bitterly, Steven Bitterly
  • Patent number: 7507273
    Abstract: A scalable technology for purifying ethanol, wherein the vaporization of ethanol is coupled with a chromatographic rectification process comprising feeding a vaporized ethanol/water mix onto a plurality of molecular sieve beds to produce dehydrated ethanol vapor, which can then be condensed to recover purified dehydrated ethanol liquid. The scalable technology process is suitable for farm-scale production of fuel-grade ethanol, having the added benefit of allowing wet distillers grains to be used on-site as live-stock feed. By reducing energy requirements, costs and pollution, the output can be scaled to produce fuel-grade ethanol at quantities of anywhere from about 1000 gallons per year to upwards of hundreds of millions of gallons per year. Particularly beneficial versions utilize a plurality of smaller molecular sieve beds in series and use heat generated during desorption and regeneration of the molecular sieve beds as an energy source to aid in the vaporization step.
    Type: Grant
    Filed: June 20, 2006
    Date of Patent: March 24, 2009
    Assignee: 6Solutions, LLC
    Inventor: Cecil T. Massie
  • Patent number: 7504005
    Abstract: A condensing chamber and a heating chamber are arranged in an enclosure. Liquid is fed into the condensing chamber where it is pre-heated. The pre-heated liquid flows to the heating chamber where it is boiled to produce vapor. Gas sparging in the condensing chamber enhances heat transfer and absorbs additional vapor generated by pre-heating. The condenser is a helical or other horizontal tube heat exchanger.
    Type: Grant
    Filed: November 15, 2005
    Date of Patent: March 17, 2009
    Inventors: Naisin Lee, Stephen F. Sporer