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| Number | Title | Issue Date |
| 7875153 | Purification of aqueous solutions of organic acids The invention relates to a method and a device for the purification of an aqueous solution of an organic acid having a boiling point at atmospheric pressure of less than 450° C., which-further has approximately 275 g carboxylate ions/1 or less, preferably 250 g car... | 01/25/2011 |
| 7435317 | Desalination of ocean water An improved distillation of water. involves distilling significant quantities of water at temperatures well below the boiling point. During distillation, a compound is taken from a liquid-phase to a gas-phase and then condensed to the liquid-phase again to get a pur... | 10/14/2008 |
| 7429312 | Method for processing multi-component liquid mixtures and device for carrying out said method The present group of inventions relates to processing of multi-component liquid mixtures (MCLM) employing reforming process, preferably for vacuum distillation of hydrocarbon mixtures and in petroleum refining and chemical industries. The inventions include the meth... | 09/30/2008 |
| 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 |
| 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 |
| 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 |
| 7368039 | 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... | 05/06/2008 |
| 7332057 | Method of vaporizing liquids by microwave heating This invention is directed to a method for vaporizing a liquid by slowly evaporating the liquid from a liquid phase to a vapor phase below the boiling point of the liquid; and applying an effective amount of microwave power to maintain the slow evaporation of the li... | 02/19/2008 |
| 7326323 | High capacity purification of thermally unstable compounds Separations processes and apparati capable of purifying thermally sensitive materials at high capacity. An apparatus having a rectification section and a stripping section with the stripping section having a stripping tray with 5 to 50% open area, a pressure drop fr... | 02/05/2008 |
| 7297236 | Ethanol distillation process A process arrangement for distilling fuel grade ethanol includes a fermentation portion, a distillation portion, a condensation and dehydration portion, a separation and drying portion and an evaporation portion. The fermentation portion produces beer. The distillat... | 11/20/2007 |
| 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 |
| 7288169 | Distillation apparatus for readily polymerizable compound A distillation apparatus for subjecting a crude readily polymerizable compound to distillation under vacuum conditions to purify the same includes a distillation column and a vacuum generator, an exhaust gas conduit of the vacuum generator being connected to a conne... | 10/30/2007 |
| 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 |
| 7252743 | Method for concentrating solution An low concentration dope is fed through a nozzle into a concentrating apparatus, and flash evaporation of the low concentration dope is performed at an end of the nozzle. The low concentration dope is concentrated thereby to an concentrating dope which is contained... | 08/07/2007 |
| 7232504 | Apparatus and method for distilling waste liquids A distilling apparatus and method use a two step distillation and purification process for processing a waste liquid, such as an impure sulfuric acid solution, to form a highly concentrated sulfuric acid solution. First, the waste liquid is stored in a concentrating... | 06/19/2007 |
| 7198254 | System for producing micro-cluster liquids The system for producing a micro-cluster liquid from a starting liquid utilizes a cavitation device with a plurality of reverse-fed pump volutes within a housing, where each volute establishes a rotational vortex for spinning the liquid in a circle and directing a l... | 04/03/2007 |
| 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 |
| 7153396 | Rotating evaporator with process-dependent rotating speed regulation In a rotary evaporator, the rotating speed of the rotating flask is automatically controlled or regulated dependent upon a detected process value, particularly the vibration behavior or the mass moment of inertia of the rotating flask. ... | 12/26/2006 |
| 7122075 | Device for reducing the gas and water contamination of transformer oil filling The device for reducing the gas and water contamination of transformer oil filling includes a main tank and a conservator provided with a sludge discharge fitting, being joined by an upper connecting pipe having an upper Buchholz relay and a discharge fitting. A low... | 10/17/2006 |
| 7119312 | Microwave fluid heating and distillation method A microwave energy emitter (108) is positioned in a microwave transparent chamber (123) within a fluid holding vessel (106) of a microwave containment vessel (122). The fluid holding vessel (106) may be transparent to microwave ene... | 10/10/2006 |
| 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 |
| 7089762 | Multi-stage vacuum distilling, cooling and freezing processes and apparatuses for solution separation and seawater desalination Multi-stage vacuum distilling, cooling, and freezing processes for solution separation and seawater desalination are implemented through multi-stage vacuum distilling, cooling, and freezing systems. The systems are set to their initial state for implementing constan... | 08/15/2006 |
| 7087157 | Multi-phase separation system A multi-phase 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 ga... | 08/08/2006 |
| 7077935 | Oand HO barrier material O2 and H2O barrier materials suitable for the protection of LCDs and flexible OLEDs are fabricated on a polymer substrate using dense inorganic barrier layers. A polymer surface having a low surface roughness has an inorganic layer of aluminum ... | 07/18/2006 |
| 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 |
| 7037411 | Apparatus and method for handling easily polymerizable substance, apparatus for extracting liquid from apparatus under reduced pressure, and process for producing easily polymerizable substance In an apparatus capable of distilling and refining an easily polymerizable substance, piping is performed so that when a strainer in action is switched to a backup strainer, the strainer can be switched after removing air in the backup strainer to replace air in the... | 05/02/2006 |
| 7008516 | Method and apparatus for desalinating and concentrating sea water, desalinated deep water and concentrated deep water According to a method of desalinating sea water, sea water sampled from deep sea is injected into a decompression chamber of a reduced pressure tank having a steam chamber, steam at an atmospheric pressure superheated to a boiling temperature or higher by high-frequ... | 03/07/2006 |
| 6991708 | Continuous vacuum pan A continuous vacuum pan includes a cylindrical housing having a vertical axis, at least one liquid heating pan within the housing, and a vertical tube, floating calandria within the liquid heating pan. The vertical tube floating calandria has a downcomer between its... | 01/31/2006 |
| 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 |
| 6955754 | Compact fluid cleaning system An efficient fluid cleaning system. The efficient system includes a first mechanism for changing the pressure of a fluid from a first pressure to a second pressure, the second pressure being lower than the first pressure. A second mechanism distributes the fluid wit... | 10/18/2005 |
| 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 |
| 6932889 | Water treatment device and method A point of use water purification unit for continuously and completely purifying water at all point of use for removing all chemicals, killing all microorganisms; the device having a computer monitored and controlled system for degassing, super heating and exploding... | 08/23/2005 |
| 6926808 | Vacuum low-temperature distilled pure water dispenser A vacuum low-temperature distilled pure water dispenser includes a water-supply tank communicating with a reaction chamber via a water supply line, a pure water storage tank communicably located above the reaction chamber, an actuating pump communicably located belo... | 08/09/2005 |
| 6884324 | Column for concentrating phthalic anhydride To improve the columns used so far for producing phthalic anhydride, and to make them less expensive and easier to install, it is proposed that in the column for concentrating phthalic anhydride two distillation stages are arranged, wherein the removal of the low-bo... | 04/26/2005 |
| 6833056 | Desalination method and desalination apparatus A desalination apparatus capable of obtaining fresh water stably at low cost by utilizing low-temperature waste, wherein the desalination apparatus including a heat exchanger 92 cooperating with an evaporation can 60 so as to subject a low-temperature ... | 12/21/2004 |
| 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 |
| 6761802 | Tunnel for distillation of fresh water from ocean salt water A closed tunnel system for distilling fresh water from ocean salt water is provided with an elongated evaporation plate adapted to hold ocean water for evaporation therefrom. During the distillation process, a vacuum is drawn in the tunnel, and sunlight is focused o... | 07/13/2004 |
| 6740205 | Processing of shipboard wastewater Incoming wastewater is preheated in a heat exchanger before delivery to a flash chamber through an orifice for flashing into water vapor rising into an upper section of the flash chamber which also has a bottom section into which liquid waste oil or other contaminan... | 05/25/2004 |
| 6685801 | Chambered circulation evaporator A circulation evaporator for separating mixtures having more volatile and less volatile components. The circulation evaporator contains an evaporator, a discharge container connected to the evaporator by a connecting piece, a condenser, a vacuum pump, a r... | 02/03/2004 |
