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| Number | Title | Issue Date |
| 7431805 | Method and apparatus for simultaneous heat and mass transfer utilizing a carrier-gas at various absolute pressures A method, system, and apparatuses for simultaneous heat and mass transfer utilizing a carrier-gas at various absolute pressures are described. A method may include: thermally coupling at least two continuous contacting apparatuses together; varying the pressure betw... | 10/07/2008 |
| 7422663 | Desalination machine A compact array of vertical rising film evaporators is disclosed in an evacuated multi-effect process, for desalination of seawater, using waste heat of thermal machines. Vapor produced in one stage is the heat source for the next. This invention is based on a conce... | 09/09/2008 |
| 7328591 | Jet ejector system and method According to one embodiment of the invention, a jet ejector method includes providing a primary jet ejector having a primary inlet stream, coupling one or more secondary jet ejectors to the primary jet ejector such that all of the jet ejectors are in a cascaded arra... | 02/12/2008 |
| 7297237 | Method and device for separation and concentration by evaporation of mixture with separation factor of approx. 1 By using a dephlegmator which conducts distillation concurrently with heat exchange within at least one distillation column, or a portion of one distillation column, of a distillation cascade, the quantity of liquid holdup within the distillation apparatus is reduce... | 11/20/2007 |
| 7189377 | Apparatus for performing integrated process for reproduction of vinyl acetate and/or acetic acid using a fluidized bed 1. Acetic acid and/or vinyl acetate are produced by an integrated process which comprises the steps:— (a) contacting in a first reaction zone a gaseous feedstock comprising ethylene and/or ethane and optionally steam with a molecular oxygen-containing... | 03/13/2007 |
| 7153395 | Systems and methods for solar distillation The present invention is directed to an improved solar powered distillation system and method. The solar powered still may have a membrane that is extruded, molded, or sprayed-on. The membrane may be installed in a lightweight basin as a liner resulting in improved ... | 12/26/2006 |
| 7140122 | Vacuum treatment of waste stream with anti-incrustation measures A method of treating a waste stream comprises a vacuum treatment to promote disintegration of the waste material by “flash vapor” production, causing a swiftly vaporizing fraction inside the material to literally explode or shred apart the matrix of the material... | 11/28/2006 |
| 7097736 | Dairy wastewater treatment A process and apparatus for recycling dairy wastewater wherein the wastewater is supplied to at least one first evaporation apparatus to produce a water distillate and sludge. The sludge is then supplied to at least one second evaporation apparatus arranged in serie... | 08/29/2006 |
| 7087139 | Apparatus and method for removal of volatiles from a mass processable polymer The present invention provides an apparatus and method of reducing volatiles in a mass processable polymer. The apparatus includes a multi-chambered devolatilizer having first and second collectors contained therein. In one embodiment, the invention provides a metho... | 08/08/2006 |
| 7080526 | Full plate, alternating layered refrigerant flow evaporator An evaporator core for the climate control system of a motor vehicle formed from alternating pairs of plates. Each pair of plates includes two plates having a similar configuration engaged together and a mirrored, back-two-back relationship. Each of the plates inclu... | 07/25/2006 |
| 7073337 | Combined power generation and desalinization apparatus and related method A method of generating electrical power while simultaneously converting salt water to fresh water includes the steps of: a) supplying exhaust gases from a gas turbine used to generate electrical power to a boiler located downstream of the gas turbine and upstream of... | 07/11/2006 |
| 7052582 | Wave powered evaporation desalination system A wave powered evaporation desalination system for removing fresh water from salt water by extraction of water vapor from a negative pressure container using wave motion for power. The wave powered evaporation desalination system includes a first vessel that accepts... | 05/30/2006 |
| 7041198 | Distillation system A distillation system is provided having an evaporation conduit and a condensing conduit connected by a transfer system for transferring distillate vapour from the evaporation conduit to the condensing conduit to condense the distillate. The evaporation and condensi... | 05/09/2006 |
| 7020980 | Vacuum treatment of waste stream with anti-incrustation measures A method of treating a waste stream comprises a vacuum treatment to promote disintegration of the waste material by “flash vapor” production, causing a swiftly vaporizing fraction inside the material to literally explode or shred apart the matrix of the material... | 04/04/2006 |
| 7017277 | Vacuum treatment of an input stream without ruining delicate output fractions A method of separating the membrane and mineral fractions from an input stream of broken empty egg shells comprises a vacuum treatment to promote the membrane fraction to “eject” or detach from the attached or adhered scraps of mineral, ie., mineral shards or po... | 03/28/2006 |
| 6998026 | Method for producing tertiary C-C-alkyl esters of (meth)acrylic acid A tert-C4–C8-alkyl (meth)acrylate is prepared by reacting (meth)acrylic acid with an olefin of the formula where R1 and R2, which may be i... | 02/14/2006 |
| 6969446 | Method for producing concentrated nitric acid and installation for carrying out a method of this type Process for producing a nitric acid of a concentration from 75 to 99.9% from a more diluted nitric acid, wherein a nitric acid of a concentration of about 45 to 70% is rectified in contact with a liquid extraction medium to prevent the formation of a nitric acid-wat... | 11/29/2005 |
| 6946081 | Desalination system The invention provides methods and an apparatus for more efficiently and economically producing purified water from sea water or some other salty or brackish water source. The efficiency is derived from the co-location with a power plant or other thermal generating ... | 09/20/2005 |
| 6936140 | Water distillation system A distillation system is provided for recovering water from sea water and other polluted water source. The system has a heat engine embodying Carnot cycle and a Rankine cycle formed by heat exchangers, flash evaporator and condenser. Burnt gases from the engine such... | 08/30/2005 |
| 6862330 | Systems and methods of producing hydrogen using a nuclear reactor A system for generating hydrogen includes a liquid metal nuclear reactor having a non-radioactive secondary heat loop, a steam generator connected to the secondary heat loop, a high temperature water cracking system, and a topping heater. The heat produced by the nu... | 03/01/2005 |
| 6835287 | Apparatus, method for enrichment of the heavy isotope oxygen and production method for heavy oxygen water An apparatus comprising first to third columns, wherein the outlet of a first column reboiler and the inlet of a second column condenser are connected by a first introduction conduit, and the outlet of a second distillation column reboiler and the inlet of a third c... | 12/28/2004 |
| 6402897 | Apparatus for distilling, heating and storing liquid A combination liquid distillation unit and heater, where the distilled liquid is heated to an elevated temperature to effect distillation, and then stored and maintained at an elevated temperature in a hot liquid tank. Thermal communication between the di... | 06/11/2002 |
| 6391162 | Desalination apparatus and method of operating the same A desalination apparatus and method utilizing solar energy provided with a solar heat collector for heating a heating medium with solar energy, a heat exchanger cooperating with an evaporation can so as to subject the heating medium and raw water in the e... | 05/21/2002 |
| 6365005 | Apparatus and method for vapor compression distillation An improved design of a vapor compression distiller which makes use of a rapid, highly turbulent flow through the heat-of-evaporation recovery, or primary, heat exchanger. The distiller may also include the use of turbulators to increase turbulence and mi... | 04/02/2002 |
| 6348136 | Method and apparatus for the purification of vinyl aromatic compounds The present invention is directed to an apparatus and method for the distillation of a readily polymerizable vinyl aromatic compound employing a polymerization inhibitor. The vinyl aromatic compound is subjected to distillation in at least one fractionati... | 02/19/2002 |
| 6309513 | Desalination of seawater by evaporation in a multi-stack array of vertical tube bundles, with waste heat A large and economical type of multi-stack vertical tube evaporator (MS-VTE) is disclosed having units of multiple stacks of vertical tube bundles or stages mounted in a single vessel, and having its liquid feed pumped to the uppermost VTE bundle stack or... | 10/30/2001 |
| 6284104 | Apparatus and process for hydrogenations An apparatus for conducting reactive distillations comprising a first distillation column, a first primary catalyst bed for carrying out a hydrogenation of unsaturated compounds comprising diolefins. The first primary catalyst bed is positioned in the dis... | 09/04/2001 |
| 6258206 | Process for purifying condensate while evaporating waste liquors A process for evaporating spent liquor or other waste liquids from cellulose cooking, The evaporation is performed in a multiplicity of evaporators which are coupled in series and in which the evaporation is driven using the liquor steam. The condensates ... | 07/10/2001 |
| 6171449 | Cascade reboiling of ethylbenzene/styrene columns Apparatus and process are disclosed for the distillation separation of styrene monomer from ethylbenzene utilizing a split feed to two distillation columns in conjunction with cascade reboiling utilizing thermal energy from the overhead of one column to s... | 01/09/2001 |
| 6045660 | Mechanically assisted two-phase contactor and fuel ethanol production system Apparatus for use in the rectification of liquid mixtures (separation of liquid mixtures into their constituents) and other processes requiring equilibration of liquid and gaseous phases in which mechanical energy is used to create and repeatedly regenera... | 04/04/2000 |
| 6022453 | Apparatus for the distillation of oil-seed extracts A compact apparatus of the distillation of solvent from a mixture of the solvent with oil seed for the extraction thereof according to the invention, the primary module includes a vapor scrubber forming a vapor contactor, a main evaporator and a first con... | 02/08/2000 |
| 5879516 | Kugelrohr or distillation apparatus Improved kugelrohr or apparatus for distilling or separating liquids. It includes a rugged, reliable air oven and drive unit with numerous safety features. One or more external guards eliminate burn hazard and risk of accidental contact. A thermal isolati... | 03/09/1999 |
| 5744009 | Method and apparatus for recovering condensables in vapor from a urea vacuum evaporator An improved urea recovery process is presented. In the improved process, multiple vacuum rated surface condensers used to condense water vapor evolved during urea vacuum evaporation/concentration are replaced by a direct contact cooler/absorber to obtain ... | 04/28/1998 |
| 5658433 | System for the purification of vitamin E An integral system and method for the separation and purification in a single operation of a heat or oxygen-sensitive liquid feed, such as a plant derived liquid feed mixture of fatty acids, tocopherol compounds and sterols, into a low boiling point purif... | 08/19/1997 |
| 5645693 | Plant for sea water desalinizing using solar energy An apparatus for desalination of sea water by the utilization of solar energy, advantageously accompanied by electric power generation, containing a heat caption unit (1) serving as a heat source, a sea water collecting tank (10), a pre-heating tank (11),... | 07/08/1997 |
| 5643408 | Apparatus for decontaminating a liquid surfactant of dioxane An apparatus for decontaminating a liquid surfactant of a dioxane having a vapor pressure which is higher than the vapor pressure of the surfactant includes an elevated reservoir for dioxane-contaminated liquid surfactant and an elongate inclined conduit,... | 07/01/1997 |
| 5630911 | Apparatus for continuous removal of a solvent or other liquid from solid particles or granules An apparatus for separating a solvent from solid or granular particles. The apparatus includes a fully enclosed vessel having multiple stages for effecting the solvent removal therein. Each stage includes an upper deck and a lower deck extending across th... | 05/20/1997 |
| 5624534 | Volatiles separator and concentrator An apparatus and method for stripping volatiles from a feed stream and concentrating the volatiles in the overhead vapors forming a condensate product and simultaneously producing a low percent volatiles outlet stream as a concentrate product. The volatil... | 04/29/1997 |
| 5573635 | Thin film evaporating device A thin film evaporating device includes a housing defining a space for receiving a plurality of elongated tubular evaporators. An inlet is associated with the housing for feeding a flowable heating medium to the space for heating the plurality of elongate... | 11/12/1996 |
| 5565066 | Single vessel distillation and adsorption apparatus The present invention is a single vessel apparatus for separating at least a first component from a second component of a process stream. The apparatus has a vertically-elongated vessel which contains a plurality of vertically spaced apart distillation co... | 10/15/1996 |
