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| Number | Title | Issue Date |
| 7189328 | Method for extraction of dissolved trace materials from solution A method for separating dissolved materials, including organic and inorganic solids and volatile constituents, from a liquid or aqueous solvent is disclosed. The method first extracts water from the flow stream being treated using a crystallization apparatus which f... | 03/13/2007 |
| 7081205 | Mobile desalination plants and systems, and methods for producing desalinated water Systems, methods, and apparatus for desalinating water are provided. A vessel includes a water intake system, a reverse osmosis system, a concentrate discharge system, a permeate transfer system, a power source, and a control system. The concentrate discharge system... | 07/25/2006 |
| 7066171 | Process and apparatus for producing inhalable medicaments A method for crystallizing a substance, especially an inhalable medicament, comprising the following steps: (a) dissolving said substance in a solvent, to produce a solution of said substance, (b) producing a segme... | 06/27/2006 |
| 7017367 | Method of controlling progressive freeze-concentration In a method of controlling progressive freeze-concentration by circulating a cooling medium through a cooling-medium flow route while circulating a target liquid for freeze-concentration through a target-liquid flow route so as to gradually form ice crystals on wall... | 03/28/2006 |
| 7011183 | Suction oil injection for rotary compressor An apparatus and system for immediately lubricating a compressor within a compressor system using a suction oil line apparatus. The compressor system comprises a compressor, a power source for operating the compressor, a tank capable of storing oil therein, a conven... | 03/14/2006 |
| 6863916 | Apparatus and methods for making frozen food products An apparatus for making frozen food products having a horizontal mixing spindle with a continuous, closed-loop, recessed, crisscrossed track around its outer lengthwise surface. A paddle wheel encircles the spindle and has a plug or guide skate that extends into the... | 03/08/2005 |
| 6658889 | Apparatus for producing potable water and slush from sea water or brine A water de-salination and ice slush producing system separates potable water and brine from sea water in a reverse osmosis apparatus. A chiller tube produces ice slush from the sea water mixed with waste brine. The chiller tube has an outer housing and a ... | 12/09/2003 |
| 6609384 | Dynamic type ice cold storage method It is intended to provide a dynamic type ice cold storage method and system capable of efficiently suppressing, by an appropriate replenishment of water, an increase in concentration of an aqueous solution with the progress of freezing of the aqueous solu... | 08/26/2003 |
| 6378329 | Method for determining the variable concentrations of ice in binary ice volumes Method for determining changing ice concentration in binary ice volumes with the steps: carrying out mechanical work in the volume to be measured with an electric motor, determining the electric power and mathematical conversion into a measure for the ice... | 04/30/2002 |
| 6305189 | Method and installation for continuous crystallization of liquids by freezing An installation is described for continuous crystallization of liquids by freezing. The installation performs liquid preliminary cooling under predetermined temperature; adding gas into cooled liquid and their intermixing; delivering mixed liquid and gas ... | 10/23/2001 |
| 5575160 | Freeze crystallization for the removal of water from a solution of dissolved solids A freeze crystallization concentration system is disclosed for separating a liquid feed stream into a more purified liquid and a concentrate in which only a single pass through a freeze-crystallizer and ice separator is required. The crystallizer, which c... | 11/19/1996 |
| 5537832 | Freeze crystrallization for the removal of water from a solution of dissolved solids A freeze crystallization concentration system is disclosed for separating a liquid feed stream into a more purified liquid and a concentrate in which only a single pass through a freeze-crystallizer and ice separator is required. The crystallizer, which c... | 07/23/1996 |
| 5394706 | Freeze crystallization for the removal of water from a solution of dissolved solids A freeze crystallization concentration system is disclosed for separating a liquid feed stream into a more purified liquid and a concentrate in which only a single pass through a freeze-crystallizer and ice separator is required. The crystallizer, which c... | 03/07/1995 |
| 5346674 | Process and apparatus for removal of impurities from flue gases A process and apparatus is disclosed for removing impurities from gases such as flue gases. A liquified gas such as nitrogen is introduced into direct contact with the gases to be cleaned of impurities concurrent with the introduction of a sorbent powder ... | 09/13/1994 |
| 5139549 | Apparatus and method for cooling using aqueous ice slurry An aqueous ice slurry is fed by a conduit from a freeze exchanger directly to one or more heat exchangers for cooling or air conditioning one of more enclosed or defined spaces. Warm water withdrawn from the heat exchangers is returned, with or without pr... | 08/18/1992 |
| 5102544 | Apparatus for continuously removing crystals from a mother liquor and for washing the crystals Apparatus for continuously removing from the mother liquor the crystals contained in a suspension of crystals in the mother liquor and for washing the crystals with a washing liquid, comprising a closed cylindrical chamber, feed devices for the suspension... | 04/07/1992 |
| 5057290 | Process and apparatus for the low temperature recovery of ferrous chloride from spent hydrochloric acid pickle liquors Processes and apparatus for the closed-loop regeneration of spent hydrochloric acid pickle liquors that have been used to pickle ferrous metals by recovering ferrous chloride from the spent pickle liquors at very low temperatures. The process includes mai... | 10/15/1991 |
| 5037463 | Freeze concentration and precipitate removal system A method of removing contaminants from an aqueous waste stream comprising feeding a contaminated aqueous liquid to the lower internal space of a feed tank and cooling the liquid in the tank to a temperature which results in precipitation of at least part ... | 08/06/1991 |
| 4830645 | Freeze concentration system and method A continuous, counter current freeze concentration system and method for concentrating aqueous solutions such as fruit juices, coffee and cold water soluble tea extracts, milk, beer, wine, vinegar, and the like in which the aqueous liquid is passed throug... | 05/16/1989 |
| 4822391 | Method and apparatus for transferring energy and mass Energy and mass are transferred in a system utilizing a gaseous refrigerant which is mixed and sorbed (absorbed/adsorbed) with a liquid carrier selected from the group consisting of long chain alcohols, ethers, glycols, glycol ethers, sebecates, phthalate... | 04/18/1989 |
| 4806318 | Apparatus for purifying crystals An apparatus for purifying crystals comprises a crystal purifying tower having a transverse cross-section of two partially overlapping circles, stirrers each comprising a rotational shaft passing through the center of each of the circles and having blade ... | 02/21/1989 |
| 4798131 | Method and apparatus for tartars separation An externally cooled cylindrical vessel has a draft tube centered in the lower half thereof. A continuous circulation seeded with tartars crystals includes a fast downward flow through the draft tube and a slow upward flow outside the draft tube. The circ... | 01/17/1989 |
| 4787970 | Process and system for dewatering metal oxide sludge A process of the type employing freezing and thawing of metal hydroxide sludge to effect phase separation by gravity settling of solids to permit removal of the purified water, and a preferred system for carrying out the process. Commercially available re... | 11/29/1988 |
| 4713102 | Method of concentrating multicomponent liquid products A method and apparatus for concentrating multicomponent liquid product containing volatile and nonvolatile constituents are provided, comprising mixing liquid product with liquid refrigerant gas in a freezing chamber, removing ice crystals containing entr... | 12/15/1987 |
| 4697428 | Device for concentrating solutions The invention relates to a device for concentrating solutions by partly freezing-out solvent, consisting of a vessel surrounded laterally by an insulated cooling jacket, the vessel comprising a stirring means and a draining aperture at the bottom. The coo... | 10/06/1987 |
| 4632809 | Apparatus for the crystallization/separation of material mixtures A crystallization/separation apparatus is disclosed for material mixtures having vertical crystallization column, cooling and heating devices, feeding-in and withdrawal connections, pumps, valves, connecting conduit tubings and drive motor, a cylindrical ... | 12/30/1986 |
| 4552575 | Method for the mass separation of a liquid mixture through fractional crystallization The invention relates to a method and an apparatus for the mass separation of a liquid mixture through fractional crystallization, wherein the crystal layer is crystallized on the indirectly cooled wall of the crystallization zone. The mass transfer occur... | 11/12/1985 |
| 4551159 | Ice making machine and method The invention is a method for making ice in a container the side walls of which are cooled to cool a solution of less than eutectic concentration to form ice crystals wherein the sides of the container are continuously mechanically scoured at a rate that ... | 11/05/1985 |
| 4544391 | Method for separation of solid mixtures by simultaneous multi-stage recrystallization A method for separating a desired component from a solid mixture by repeated recrystallization in a single vertical crystallizer having a plurality of chambers partitioned by solid-liquid separation means, which comprises intermittently feeding a solid mi... | 10/01/1985 |
| 4475355 | Continuous packed bed wash column An apparatus for separating the ice crystals contained in a slurry of an eous solution and ice crystals from the aqueous solution and washing the ice crystals with an aqueous wash liquid, whereby a packed bed of ice crystals is created which is subjected... | 10/09/1984 |
| 4474031 | Heatpump A system for extracting heat from low temperature water includes a source of water at a temperature between approximately 0° C. and 10° C. and a heat pump removing heat from the water and transporting it for transfer to an external heating circuit. The ... | 10/02/1984 |
| 4468930 | Freeze crystallization subassembly The invention is directed to a freeze crystallization subassembly having means for continuously removing crystals formed on a heat transfer surface from the surface. A scraper shuttle is moved across the heat transfer surface by a fluid being refrigerated... | 09/04/1984 |
| 4438634 | Freeze concentration apparatus Disclosed is an apparatus useful in freeze concentration processes such as in the concentration of fruit juices. The apparatus performs both the recrystallization and ice-liquid separation steps of conventional freeze concentration systems. The apparatus ... | 03/27/1984 |
| 4316368 | Multi-stage counter-current concentrating method A system and method for concentrating aqueous beverages such as fruit juices, beer, wine, vinegar, tea, coffee, and the like in which a slurry of feed liquid and seed crystals is formed in a scraped surface heat exchanger of a first stage and supplied to ... | 02/23/1982 |
| 4309878 | Process and apparatus for separating and purifying a crystalline material An apparatus and process for purifying and separating a crystalline compound from its impurities in a slurry containing same, said process comprising introducing said slurry under pressure into a cylindrical pressurized filter-washer having a substantiall... | 01/12/1982 |
| 4291550 | Fluidized bed crystallization apparatus and method A method of crystallizing or freezing out a component of a mixture composed of a liquid and a dissolved or suspended solid material, or both, by passing the mixture upwardly through a column containing a mass of insoluble solid particles having a specific... | 09/29/1981 |
| 4279130 | Recovery of 1,3-butadiene by fractional crystallization from four-carbon mixtures Freezing and melting techniques are described for separating 1,3-butadiene from a mixture of four-carbon compounds by fractional freezing of the liquid mixture and by fractional melting thereof. It has been discovered that when a frozen four-carbon mixtur... | 07/21/1981 |
| 4267703 | Method and apparatus for manufacturing crystalline food products A feed stock comprising sugar, milk solids, a significant amount of moisture, and in some instances chocolate, is raised to a temperature of about 125° C. and at the same time is condensed to have a moisture content of between about 4% and 6%. This is do... | 05/19/1981 |
| 4256717 | Silicon purification method A method for purifying silicon comprises the steps of providing a body of molten silicon-rich material and extracting heat therefrom to provide a solid phase containing silicon in crystal form and to concentrate impurities in a molten phase. After a desir... | 03/17/1981 |
| 4256576 | Process for segregating solid substances from a liquid phase Process is provided for the creation of crystal aggregates in one part of a tank by heat transfer from a fluid disposed in another part of the tank and maintained by heating or by cooling at a different temperature than the part containing the crystal agg... | 03/17/1981 |
