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| Number | Title | Issue Date |
| 7427336 | Blade heat exchanger A blade heat exchanger includes blades that extend axially with respect to an axis of rotation and are elongated in the radial direction. The blades are arranged about the axis such that, when they are disposed in a housing, they form composite condensation and evap... | 09/23/2008 |
| 7328584 | Fresh water extraction device A method and apparatus for collecting fresh water through atmospheric water collection and salt water desalination. The apparatus is used for a method of utilizing deep ocean water to extract fresh water from atmospheric water vapor while producing a byproduct of de... | 02/12/2008 |
| 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 |
| 7083730 | Production of purified water and high value chemicals from salt water Sodium chloride and purified water are recovered by treating salt water that contains sodium chloride with an integrated reverse osmosis and electrodialysis system, which includes an efficiency-enhancing feature that is one or more of the following: the use of univa... | 08/01/2006 |
| 6964730 | Purification apparatus and method Disclosed is a purification apparatus and method. The purification apparatus includes: a mobile phase distillation part for distilling a mobile phase; a mobile phase liquefaction part for liquefying the distilled mobile phase; and a purification part disposed betwee... | 11/15/2005 |
| 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 |
| 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 |
| 6797125 | Method of treating condensates The present invention relates to a method of treating condensates containing compounds, which are more volatile than water, in an evaporation plant, where liquid, such as effluent liquid from a pulp or paper mill is evaporated in multiple effects and where condensat... | 09/28/2004 |
| 6695951 | Saline/sewage water reclamation system The present water reclamation system includes 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 in... | 02/24/2004 |
| 6663750 | Multi-unit, distributive, regenerable, in situ desalination system, apparatus and method Cultivated field water is desalinated by a series of independent units that float on the water surface, taking up the saline water with a wick, evaporating the water from the wick in desalinating relation by concentrating incident solar radiation with a c... | 12/16/2003 |
| 6640052 | Dual temperature water dispensing device A water dispensing device includes a cold and a hot water tanks received in a housing, and a coupler coupled to the water tanks and coupled to a container. A device may be used for heating the water in the container to generate steam to the coupler, and a... | 10/28/2003 |
| 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 |
| 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 |
| 6258215 | System and a rotary vacuum distiller for water recovery from aqueous solutions, preferably from urine aboard spacecraft The system for the recovery of water from urine aboard spacecraft includes a urine intake and pretreatment unit, a unit for water reclamation from urine and a condensate purification unit. The unit for water reclamation from urine is made on the basis of ... | 07/10/2001 |
| 6214173 | On-site manufacture of ultra-high-purity nitric acid Provided is a novel on-site system and method for providing ultra-high-purity nitric acid to a point of use. The system includes a source of nitric acid at a concentration greater than 68 wt %; a reflux distillation column having an inlet in communication... | 04/10/2001 |
| 6164087 | Apparatus for the cleaning of waste streams An apparatus for purifying waste streams having water, dissolved noxious substances and volatile organic compounds, comprising a distillation unit having distillate and bottoms products, a freeze-concentration unit and a processing unit. The distillate pr... | 12/26/2000 |
| 6120650 | Separation of hydrocarbons/water/emulsifier mixtures An apparatus for separating vaporous mixtures of hydrocarbons, water and emulsifier derived from the remediation of wellbore fluid, such as a mud containing solid particulate material in which the vaporous mixture is quenched with a hydrocarbon stream whi... | 09/19/2000 |
| 6113744 | Water distillation apparatus A water distillation apparatus includes a degasification chamber having a top and a bottom. A liquid inlet is positioned adjacent to the bottom. A gas outlet is positioned adjacent to the top. A liquid outlet is positioned intermediate the top and the bot... | 09/05/2000 |
| 6080280 | Structure for refining glycol in a natural gas dehydration plant Contaminated glycol in a natural gas dehydration plant is refined by vacuum distillation. The equipment to perform the refining by vacuum distillation is mounted upon a trailer. The equipment on the trailer is connected by an inlet line to the dehydration... | 06/27/2000 |
| 6001246 | Process for the reclamation of process water from process wastewater generated in the battery manufacturing industry and other metals related industries A process wastewater treatment plant, and a process relating thereto, which converts process wastewater generated in battery manufacturing and the like into clean process water and sodium sulfate salt by treating the process wastewater to remove impuritie... | 12/14/1999 |
| 5961787 | Solvent extraction apparatus A solvent extraction apparatus which includes a heating plate, a vessel for containing a solvent, an extraction thimble to obtain a sample to be extracted from said vessel and a cooler for condensing evaporated solvent vapors. The cooler is connected to t... | 10/05/1999 |
| 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 |
| 5910233 | Method of and device for producing mineralized drinking water For production of mineralized drinking water, water is distilled and then passed through a layer of soil which is taken from an area adjoining the source of natural mineral water.... | 06/08/1999 |
| 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 |
| 5744010 | Process for the preparation of the non-toxic salts of 6-methyl-3,4-dihydro-1,2,3-oxathiazin-4-one 2,2-dioxide and arrangement for carrying out this process The invention relates to a process for the preparation of acesulfam salts by reaction of salts of amidosulfonic acid with diketene to give a salt of acetoacetamidosulfonic acid (I), ring closure by the action of at least about an equivalent amount of SO | 04/28/1998 |
| 5720856 | Process and apparatus for the production, particularly domestic production, of beverages A process and apparatus for the production of a beverage distills aqueous influent into a forerun overhead fraction that is the first result of a distillation operation, a distillate, and a bottom products fraction that is left over from the aqueous influ... | 02/24/1998 |
| 5643418 | Method of and arrangement for separating fluid mixtures A device for intercepting liquid obtained from a stream of mixed fluids contains an enclosure having an upper opening and a lower opening. The upper opening is connectible to a source of suction while the lower opening is connectible to a source of the mi... | 07/01/1997 |
| 5630913 | Water distillation system A water distillation system (10) includes a boiling chamber (11) and a condensation chamber (12). Water is fed via an inlet pipe (13) to a degassing chamber (15) where volatile gases are removed from the water. The water is evaporated in the boiling chamb... | 05/20/1997 |
| 5611895 | Arrangement for removing and collecting the distillate of rotary vacuum evaporators An arrangement for discharging and collecting the distillate of rotary vacuum evaporators includes a rotating flask and a line for conducting the distillate from the rotating flask to a cooler for liquefying the distillate. The liquified distillate flows ... | 03/18/1997 |
| 5587055 | Water distilling apparatus and method A water distillation apparatus and method include an improved control system for operation and maintenance, condensers with plastic to metal seals between a plastic condenser manifold and metallic cooling tubes, and a filter with steam bypass to allow for... | 12/24/1996 |
| 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 |
| 5587054 | Vapor compression distillation system A vapor compression distillation system including a boiler/condenser assembly wherein a portion of the condensate is redirected back to the condenser inlet to extract superheat from the compressed vapor and transfer it to the liquid in the boiler. The vap... | 12/24/1996 |
| 5565065 | Distilled water supply device A distilled water supply device including a stand, a condensing unit mounted on the stand and separated by a partition wall into an upper chamber, which receives water from an external water source, and a bottom chamber, which condenses steam into distill... | 10/15/1996 |
| 5549794 | Continuous linear-toroidal extraction-distillation apparatus An apparatus (10) for continuously extracting a solute from a carrier medium (102) is provided. The apparatus is formed from a vessel (12) including a convergent baffle (22) separating the vessel into a lower distillation chamber (24) and an upper extract... | 08/27/1996 |
| 5538598 | Liquid purifying/distillation device Disclosed herein is a distillation purifying system. The device has a section which creates a vacuum pressure that is transmitted throughout the system, a distillation/purification zone in which fluids to be distilled/purified are treated, and a collectio... | 07/23/1996 |
| 5536375 | Water purifier having a demister A distiller for producing potable water employs a metal boiler tray having a cover member in which there is an inlet for raw water and which together form a steam chamber having an outlet for steam. The boiler tray bottom has a plurality of steps includin... | 07/16/1996 |
| 5525200 | Low temperature vacuum distillation apparatus Apparatus for purifying any type of contaminated liquid. The apparatus includes a series of closed but connected passageways in an S configuration of equal diameter open to each other such that the process is effectuated in one cylindrical device as oppos... | 06/11/1996 |
| 5496447 | Water distilling apparatus A distilling apparatus for distillation of water, including a condensing chamber divided into an upper holding space for receiving water from a water source and a lower holding chamber for condensing steam into water, a heating chamber controlled to heat ... | 03/05/1996 |
| 5484510 | Water distilling apparatus A water distillation apparatus and method include an improved control system for operation and maintenance, condensers with plastic to metal seals between a plastic condenser manifold and metallic cooling tubes, and a filter with steam bypass to allow for... | 01/16/1996 |
