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| Number | Title | Issue Date |
| 8034217 | Liquid condensation system A liquid condensation system heats a liquid raw material under a decompressed circumstance and evaporates a volatile component from a liquid surface to condense the liquid raw material. Therefore, the liquid condensation system includes: liquid condensers, each of w... | 10/11/2011 |
| 7597783 | Method and apparatus for processing vegetable oils Methods for processing oils and apparatus for carrying out such methods are disclosed herein. One embodiment provides a method for processing a partially processed oil, wherein the oil includes glycerides and a volatilizable impurity fraction. The partially processe... | 10/06/2009 |
| 7416642 | System for cooling a heated juice by partial low-pressure evaporation A system for cooling a heated juice by partial low-pressure evaporation, the system includes a vat with at least two compartments that are connected to each other through a variably positioned shutter element, where the juice is subjected to decreasing pressure redu... | 08/26/2008 |
| 7416644 | Method and device for stripping ammonia from liquids The present invention provides a method and a system for stripping volatile compounds such as ammonia from liquids. Part of the ammonia is stripped from the liquid in a system having a shunt through which liquid such as e.g. fermented biomass can be diverted in the ... | 08/26/2008 |
| 7413634 | Distillation system A multiple effect distillation chamber includes a plurality of separate distilling chambers and a drain chamber at a downstream end of the distilling chambers. The drain chamber functions to create a vacuum to draw volatile gases and impurities collected at the end ... | 08/19/2008 |
| 7351310 | Rectificative separation of fluids comprising (meth) acrylic monomers A process for rectificatively separating fluids including (meth)acrylic monomers in a rectification column by directly cooling the vapor including (meth)acrylic monomers rising to the top of the rectification column to form top condensate including (meth)acrylic mon... | 04/01/2008 |
| 7291250 | Vacuum distillation system and use thereof for concentrating organic-aqueous solvent mixtures The present invention relates to a vacuum distillation plant and a process for concentrating organic aqueous solutions, especially spissum extracts, using said plant. The vacuum distillation plant of the invention comprises a flash evaporator, a means for vapor conc... | 11/06/2007 |
| 7267747 | Plant and method for vacuum distillation of hydrocarbon liquids A vacuum distillation system and method utilizing a low capacity vacuum producing ejector operated in parallel with a primary ejector during the Winter months enables significant reduction in the absolute pressure of a vacuum distillation column. Operation of a vacu... | 09/11/2007 |
| 7246492 | Progressive solar based power generating system An apparatus for converting solar energy to electrical energy and continue to generate electricity even when the solar radiation is not available by directing solar radiation to heating plates, which were mostly immersed in a steam generator to induce water temperat... | 07/24/2007 |
| 7153394 | System to isolate dianhydrides A process to isolate dianhydride from an exchange reaction comprises extracting a bisimide/anhydride exchange reaction aqueous phase with an organic solution comprising an exchange catalyst at a first temperature and pressure to form an extracted aqueous phase compr... | 12/26/2006 |
| 7112262 | Device for downward flow evaporation of a liquid substance and subsequent condensation of the vapour formed A device is disclosed for downward flow evaporation of a liquid substance and subsequent condensation of the vapor formed, which includes a plurality of vertical evaporator tubes housed in a common casing in side-by-side relationship, a distributor tank which is arr... | 09/26/2006 |
| 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 |
| 6908533 | Rotating heat exchanger An evaporator and condenser unit for use in distilling a liquid, such as water, includes a rotary heat exchanger plate having a plurality of folds or pleats. Adjacent panels of the folded plate define spaces between their oppositely facing surfaces, and these spaces... | 06/21/2005 |
| 6905576 | Method and system for producing silane This invention relates to a continuous process for the preparation of silane by catalytic disproportionation of trichlorosilane in a reactive/distillative reaction zone having a catalyst bed of catalytically active solid. ... | 06/14/2005 |
| 6846387 | Rotating fluid evaporator and condenser An evaporator and condenser unit for use in distilling a liquid, such as water, includes a rotary heat exchanger plate having a plurality of accordion-style folds, and having its two ends joined together so as to give the folded plate a generally circular form. The ... | 01/25/2005 |
| 6821382 | Method and arrangement for cleaning contaminated condensate including a combined stripper/condenser A method and apparatus for cleaning condensate, produced during the production of cellulose pulp, including evaporation of spent liquor, utilizing a cleaning plant having several condensers, coupled in series. Process steam from the last evaporation stage and unclea... | 11/23/2004 |
| 6821394 | Process of extracting from haw-pit by dry distillation and its device The present invention relates to a process of extracting haw pits by dry distillation and the device used therein. The process includes the following steps: removing the impurities of haw pits and drying them; immersing haw pits in water and then dripping and chargi... | 11/23/2004 |
| 6802941 | Distiller employing cyclical evaporation-surface wetting A distillation unit (10) employs a rotary heat exchanger (32) forming a multiplicity of evaporation chambers (56) into which a liquid to be purified is sprayed for evaporation. Spray arms (58) spray at a steady rate into all of the evapor... | 10/12/2004 |
| 6623603 | Method and apparatus for water purification A method and apparatus for purifying water by using thermal and/or thermocatalytic processes. The method and apparatus are particularly useful for processing impure water to remove and/or deactivate toxic inorganic, organic, and/or biological species such... | 09/23/2003 |
| 6582564 | Distillation apparatus and distillation method A distillation apparatus includes a column body; a partition for dividing the interior of the column body; a first distillation section composed of an enriching section and an exhaust section; a second distillation section composed of an enriching section... | 06/24/2003 |
| 6440275 | Solar stills for producing fresh water A solar still for producing fresh water including a device, adapted to absorb solar radiation and to contain water to be distilled; a condensation surface on which vapor, produced by heating up of water of the device can condense; a fresh water collector ... | 08/27/2002 |
| 6428656 | Water-cooled distilling apparatus A water-cooled distilling apparatus for purifying or distilling raw water. The apparatus includes a boiler, cooling tray assembly, and collection vessel. In use, raw water is initially poured into the boiler which has a self-regulating screen in it. As th... | 08/06/2002 |
| 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 |
| 6348134 | Plant for the distillation of a liquid product The invention pertains to the field of oil refining and the petrochemical industry. The proposed plant for the distillation of a liquid has a vacuum rectification column with pipes for feed of a stock product and for bleeding of a gas-vapor phase and at l... | 02/19/2002 |
| 6071383 | Distillator A distillator has an outer casing, a boiling device disposed in the outer casing, a hot water box disposed in the outer casing, a cold water box disposed in the outer casing, a first faucet disposed on the hot water box, a second faucet disposed on the co... | 06/06/2000 |
| 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 |
| 5968321 | Vapor compression distillation system and method Distillation system having an evaporator/condenser core with heat transfer plates welded together along their edges to form alternate boiling and condensing chambers. Feed liquid is supplied to the boiling chambers through a pair of heat exchangers which ... | 10/19/1999 |
| 5964986 | Distillation plant A distillation plant contains a column with packings as well as a vaporizer. The elements of the column are arranged along a vertical axis and assembled as a constructional unit. They are executed in such a manner that a slight pressure drop sets in durin... | 10/12/1999 |
| 5922174 | Distilling apparatus Distilling equipment including evaporation apparatus having a boiling chamber and equipment and conduits for supplying raw liquid to the boiling chamber, a plurality of cells with the first cell being connected to the top of the boiling chamber to receive... | 07/13/1999 |
| 5882486 | Glycol refining Contaminated glycol is refined by vacuum distillation. Specifically the evaporator is heated to a temperature below the degradation temperature of the glycol. The vacuum is used to bring the flashpoint down sufficiently so that glycol evaporates or flashe... | 03/16/1999 |
| 5873980 | Apparatus and method for recovering solvent A solvent recovery system for an oil and grease test collects and condenses solvent vapors to recover solvent. A vessel having an inlet for sealingly receiving an outlet of a separatory funnel receives solvent from the separatory funnel. The solvent is fi... | 02/23/1999 |
| 5827402 | Drinking water apparatus An improved drinking water apparatus is provided which utilizes a microcomputer to detect water level to automatically control water intake and heating. The apparatus includes a heating tank having a heater at the bottom side, a first cooling pipe at the ... | 10/27/1998 |
| 5814192 | Vapor compression distillation apparatus A vapor compression distillation apparatus includes a vessel for containing a liquid to be distilled and a heat exchanger of the shell and tube type immersed in the liquid. The heat exchanger has top and bottom manifolds and vertical tubes surrounded by a... | 09/29/1998 |
| 5810976 | Device for processing water having high concentrations of scale forming compounds and high solids content in a high efficiency vapor compression distillation system A device for processing water having high concentrations of scale forming compounds and high solids content in a high efficiency vapor compression distillation system wherein a plate-in-frame heat exchanger is submerged in a boiling solution contained in ... | 09/22/1998 |
| 5770019 | Apparatus for concentrating waste liquid When waste liquid is concentrated using a radiant heat section and a heat absorbent section of a heat pump circuit, in the proper place of the heating region of the heat pump circuit, a detector for detecting the pressure and/or temperature of the heat tr... | 06/23/1998 |
| 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 |
| 5587053 | Boiler/condenser assembly for high efficiency purification system A boiler/condenser assembly for a high efficiency purification system including a plate-in-frame type heat exchanger wherein vertically extending common plate members are provided with corrugated faces having herringbone configurations constructed and arr... | 12/24/1996 |
| 5582690 | Method of and means for water desalinization Desalination of sea water is achieved using a solar pond that includes a halocline interposed between a convective upper wind mixed layer exposed to the ambient atmosphere, and a lower heat storage layer of hot, concentrated brine, Hot brine from the heat... | 12/10/1996 |
| 5582691 | Ocean thermal energy conversion (OTEC) system An improved ocean thermal energy conversion (OTEC) system which includes a novel combined evaporator/condenser. The combined evaporator/condenser further includes a plurality of evaporator spouts and a mist eliminator, wherein the pressure is maintained a... | 12/10/1996 |
| 5565070 | Solvent vapor sucking method and solvent recovering apparatus A method for recovering solvent vapor in a manner which requires less power using an apparatus which is smaller in size, has a longer life, and is capable of being operated without reducing recovering efficiency, including locating an inlet of a suction p... | 10/15/1996 |
