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| Number | Title | Issue Date |
| 4617093 | Method and apparatus for separating components of a mixture A method and apparatus for separating at least one component of a mixture from another without the aid of gravity comprises, in one embodiment, a heat pipe structure having an inlet and spaced outlets, a wick element disposed within the heat pipe for indu... | 10/14/1986 |
| 4613409 | High rate solar still and process A method and apparatus for purifying raw feedwater. The raw feedwater is directed into an evaporator module submerged in a solar pond or other body of heated liquid. The evaporator module includes a rotating housing through which a plurality of spaced apa... | 09/23/1986 |
| 4606794 | Automated solar still An automated solar still is disclosed which incorporates a system of valves and other controls that halts production when the level of solar insolation is not adequate to support evaporation, admits water for treatment only when the still requires resuppl... | 08/19/1986 |
| 4521276 | Concentrating apparatus An apparatus for concentrating a dilute solution comprising a heat receiving thin plate which has a good thermal conductivity and is provided on its rear surface not facing a heat source with a liquid absorbing layer for absorbing a solution supplied ther... | 06/04/1985 |
| 4495034 | Waste effluent treatment and solvent recovery system A system for treating waste effluent and recovering solids and solvent material including a reservoir mounted on a stand connected by means to a solvent migrator including an adjustable trough for receiving new solution, a secondary reservoir with a cloth... | 01/22/1985 |
| 4487659 | Solar distillation apparatus Solar distillation apparatus is disclosed in which the released heat of condensation of the condensing liquid is recovered in a transparent conduit disposed over the liquid to be distilled. Solar energy passes through the transparent conduit and is receiv... | 12/11/1984 |
| 4479486 | Method for utilization of oil field waste brine to develop a salt gradient solar pond A process and method is disclosed for utilizing oil field waste brine to develop and maintain a salt gradient solar pond which in turn provides thermal energy for doing work, including improved separation of oil/brine emulsions into waste brine, crude oil... | 10/30/1984 |
| 4440861 | Solar apparatus and process Solar apparatus for producing alcohol including a frame portion, a heating portion, a slurry-forming portion, a fermentation portion, a distillation portion, a condensation portion and a drying portion; the heating portion including a plurality of solar p... | 04/03/1984 |
| 4383891 | Device for desalting brackish water, and a conditioning method and device relating to said desalting device A device for desalting sea or brackish water by means of solar energy essentially comprises two adjacent canals or equivalent systems fed with seawater or brackish water and a greenhouse-type structure placed over one of the canals for evaporating the wat... | 05/17/1983 |
| 4338922 | Solar powered chemical processing method and apparatus An apparatus and method is disclosed for direct absorption of solar energy by material being processed whereby it is not necessary to first convert the solar energy to sensible heat in an intermediate heat exchange medium or apparatus. The material to be ... | 07/13/1982 |
| 4334886 | Method of manufacturing table salt A method of manufacturing table salt effectively containing an efficient amount of the minerals from the sea water by using not fuel or electric energy but natural energy only. The method comprising the steps of infiltrating and flowing down the sea water... | 06/15/1982 |
| 4326923 | Purification apparatus Apparatus is provided for converting sea or other undrinkable waters to drinkable water without the use of driven or moving parts. Reliance upon gradient effects is made to effect the vaporization of, for example, sea water, followed by the condensation o... | 04/27/1982 |
| 4292136 | Device for desalting sea or brackish water by using solar energy A device for desalting sea or brackish water using solar energy, characterized by the fact that it includes two adjacent canals or equivalent structures fed with the sea or brackish water, a green house type structure over one of the canals to vaporize wa... | 09/29/1981 |
| 4287163 | Process for recovering lithium from brine by salting out lithium sulfate monohydrate A salting-out process for recovering lithium from brines which have been concentrated by solar or thermal evaporation. Soluble sulfate salts are added to the strong brine solutions containing lithium to yield lithium sulfate monohydrate. Subsequent treatm... | 09/01/1981 |
| 4273611 | Method for treating a spent emulsion of oil in water used in an industrial process, and the apparatus for carrying out the method A method for treating a spent emulsion of oil in water used in an industrial process, in particular an emulsion of cutting oil in water is described. The method comprises at least one stage in which heat energy is supplied continuously to said emulsion fo... | 06/16/1981 |
| 4271131 | Production of highly pure lithium chloride from impure brines Highly pure lithium chloride suitable for use in production of lithium metal by electrolysis is obtained directly from impure natural or other lithium chloride brines by an integrated process in which the brine is first concentrated by solar energy to a l... | 06/02/1981 |
| 4261960 | Removal of boron from lithium chloride brine Boron, as well as magnesium and sulfate impurities, are removed from or at least substantially reduced in a lithium containing brine to minimize lithium losses on further concentration of the brine by adding to the brine an aqueous slurry of slaked lime a... | 04/14/1981 |
| 4249317 | Solar drying apparatus and process for drying materials therewith A solar drying apparatus for removing the moisture from granular materials, sludge, or the like which utilizes the sun's rays and convection air currents includes an angled surface for retaining a layer of the material to be dried and a transparent cover ... | 02/10/1981 |
| 4235680 | Method for desalinating water by preheating and distillation with solar energy An apparatus and method for removing contaminants from water having solid contaminants dissolved therein. Contaminated water flows across a grid and into a storage tank. The grid utilizes solar energy to heat that water to a predetermined temperature. A h... | 11/25/1980 |
| 4211609 | Apparatus for desalinating water An apparatus and method for removing contaminants from water having solid contaminants dissolved therein. Contaminated water flows across a grid and into a storage tank. The grid utilizes solar energy to heat that water to a predetermined temperature. A h... | 07/08/1980 |
| 4204914 | Apparatus for desalinating water An apparatus and method for removing contaminants from water having solid contaminants dissolved therein. Contaminated water flows across a grid and into a storage tank. The grid utilizes solar energy to heat that water to a predetermined temperature. A h... | 05/27/1980 |
| 4172767 | Water purification system An integral water purification system including a tank for containing unclean water located at the source with continual replenishment of said water in the tank, a cover for the tank to accumulate natural heat by the elimination of any disturbances by the... | 10/30/1979 |
| 4138293 | Desalination apparatus Desalination apparatus utilizing solar heating of metal member(s) such as balls, rollers, or metal endless belt(s) in a heating chamber and vaporizing saline water with the latent heat in said metal member(s) by spraying saline water thereon in a vaporizi... | 02/06/1979 |
| 4135985 | Desalination of salt water by solar energy means Desalination apparatus using solar energy comprises a main insulated container with a subsidiary preheating container next to it; the main container is covered with a transparent cover serving as a selective filter to provide "the greenhouse effect" and a... | 01/23/1979 |
| 4110172 | Solar energy collecting pond A water-containing pond for collecting solar energy for utilization in a process for recovering potable water from non-potable water and/or for the generation of power. The solar pond is designed to increase the quantity and efficiency of water evaporatio... | 08/29/1978 |
| 3986938 | Direct contact of low-boiling, water-immiscible medium with hot and cold bodies of water to transfer heat for purposes of energy production and/or desalination A low boiling, water immiscible medium is directly contacted in liquid state with relatively hot or warm water (e.g. with hot recycled fresh water in a desalination system or with warm surface sea water in an energy production system) and in vapor state w... | 10/19/1976 |
| 3977835 | Cooling process for selective salt crystallization Salable salt values in a complex brine are recovered by cooling to crystallize mirabilite, then using solar evaporations to recover readily processable groupings of sodium salts and potassium salts.... | 08/31/1976 |
| 3966541 | Concentration of underground brines in situ by solar evaporation A process is provided for the recovery of chemicals, such as chlorides, sulfates, carbonates and borates of such alkali metals as sodium and potassium, among others, from underground brines associated with an ore body containing said chemicals, wherein th... | 06/29/1976 |
| 3956059 | Method of reducing moisture content of particulate slurries Water evaporates from a thin film, which can be developed over the surface of soil/water slurries, at a rate as much as 30 times that of the normal pan evaporation rate in a given locale. Utilizing this discovery, a slurry having suspended solid particles... | 05/11/1976 |
