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| Number | Title | Issue Date |
| 4344826 | Distillation system and process The waste water output of an RO unit in a distillation system is conveyed to a still's condenser cooling coil to minimize water requirements of the system. A portion of the heated water fron the condenser, in one embodiment, is circulated to the RO unit i... | 08/17/1982 |
| 4344770 | Method and apparatus for converting solid organic material to fuel oil and gas Method and means for converting organic materials, such as garbage, sewage sludge, wood and agricultural products, and the like, to fuels are disclosed which include pre-drying the organic feed material and feeding the same to a reactor for the pyrolysis ... | 08/17/1982 |
| 4342623 | Portable water distiller A portable water distiller having an insulated container for raw water and a removable cover for the container with a low pressure seal which engages the container wall. A condenser coil is provided in the cover along with a motor-driven fan, and inlet an... | 08/03/1982 |
| 4339307 | Distillation apparatus The apparatus includes a housing enclosing a boiler in the lower portion and a water-filled condenser in the upper portion with an insulated partition between them. The entry of boiler feed water is controlled by a float valve in the boiler, and steam fro... | 07/13/1982 |
| 4335576 | Wave energy desalinization A device for producing fresh water from salt sea water by utilizing the hydrodynamic energy of waves, comprising a buoyant platform; means for mooring the platform; a pump connected to the mooring means; a reservoir for pressurized sea water; a desalinati... | 06/22/1982 |
| 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 |
| 4325788 | Distillation apparatus with solar tracker A solar distillation unit is disclosed capable of operating entirely off solar radiation and intended for large scale industrial use offshore. A lens focusing system housed within an enclosed shell focuses the incident radiation from the sun on a heating ... | 04/20/1982 |
| 4312709 | Solar energy collection still Apparatus and methods for concentrating and collecting solar energy are disclosed. In accordance with the invention, solar energy is concentrated by economical refringent lenses or lens systems including fluid lenses and/or Fresnel-type lenses. The lenses... | 01/26/1982 |
| 4310387 | Process and system of desalination by direct contact heat transfer A process and system for obtaining fresh water from salt water such as sea water, by direct contact heat transfer using staged evaporator-condenser units operating with a low boiling water-immiscible liquid hydrocarbon. Each stage comprises a closed vesse... | 01/12/1982 |
| 4304638 | Distillation apparatus In an apparatus for distilling liquids an improvement is provided wherein distillate is heated within an auxiliary reboiler for further removal of volatile impurities, with the operating environment of the auxiliary reboiler being isolated from the main a... | 12/08/1981 |
| 4302328 | Geothermal brine treatment A process is provided for treating spent geothermal brine to remove silica. The process includes introducing the brine into the reaction zone of a reactor-clarifier and allowing the brine to flow therefrom into the clarification zone of the reactor-clarif... | 11/24/1981 |
| 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 |
| 4287026 | Desalinization method A method and apparatus for desalinization of salt water to render it potable, wherein the salt water at ambient temperatures is forced through multi-stages at high centrifugal velocities, generating heat to vaporize the water to water vapor, and separatin... | 09/01/1981 |
| 4276122 | Solar distillation apparatus A solar distillation unit is disclosed capable of operating entirely off solar radiation and intended for large scale industrial use offshore. A lens focusing system housed within an enclosed shell focuses the incident radiation from the sun on a heating ... | 06/30/1981 |
| 4270981 | Solar distillation apparatus Solar distillation apparatus are disclosed in which a substantial part of the heat of condensation of the condensing liquid is recovered. A conduit having an inclined smooth lower surface is disposed above the liquid to be distilled and on which the evapo... | 06/02/1981 |
| 4269663 | Water distiller The portable water distiller is constructed to distill water placed within a housing and to dispense it directly into a separate storage vessel or to a distilled water space in the housing. In the latter case, the distillers are provided with a flexible i... | 05/26/1981 |
| 4267021 | Method and apparatus for solar distillation A single effect solar distillation apparatus of the tilted or inclined floor type is disclosed which absorbs solar energy to evaporate a liquid distilland more efficiently. The present distillation apparatus is especially useful for desalination of sea wa... | 05/12/1981 |
| 4265712 | Water purification system A water purification system for use in combination with a domestic hot water heating tank. The system includes a water container for containing water separate from the water in the tank. A conduit carries hot water from the tank to the container, passing ... | 05/05/1981 |
| 4265713 | Method and apparatus for distillation A composite membrane structure is used in a distillation apparatus and method. The composite membrane separates a distilland and a distillate, such as salt water and fresh water. The composite membrane comprises a thin lyophobic microporous layer or membr... | 05/05/1981 |
| 4261796 | Self-cleaning fractional water distiller There is disclosed a water distiller, primarily for producing water for human consumption which includes a boiler with an electric heater, a fractional distillation tower extending about two or more feet above the boiler, a gas trap at the top of the towe... | 04/14/1981 |
| 4252616 | Water distillation apparatus and method A water distillation apparatus having a feed water pre-heater, an evaporator tank, and a storage tank. The storage tank has an upper surface and depending walls, the pre-heater and evaporator tank being on the upper surface, and extending, with the other ... | 02/24/1981 |
| 4247369 | Apparatus for continuous distillation A compact integral apparatus is provided for the continuous distillation of water. The apparatus comprises an upright cylindrical boiling vessel communicating at an upper portion thereof with a vapor condensation tube which leads into a water cooling tube... | 01/27/1981 |
| 4246072 | Process and apparatus for quenching hot coke Hot coke produced in a coke plant is introduced into the lower portion of a sealed interior of a quenching tower. Quenching water is supplied to the hot coke, thereby cooling the hot coke and generating steam and quenching gases which rise from the quench... | 01/20/1981 |
| 4246417 | Treatment of waste water from nitrile production Waste water recovered from a nitrile production effluent, containing ammonia, hydrogen cyanide, carbon dioxide and water soluble polymers is stripped of ammonia, carbon dioxide and hydrogen cyanide to produce an aqueous stream containing the water soluble... | 01/20/1981 |
| 4243526 | Process for purifying liquids and a device for carrying out the process A process for purifying liquids comprises the steps of feeding the liquid to be purified into a sealed chamber and to guide the liquid in such a relation to a stream of air which is guided to circulate in a cycle in said chamber and is heated during part ... | 01/06/1981 |
| 4239601 | Water distiller with volatile pollutants removal stage There is disclosed a water distiller, primarily for producing water for human consumption which includes a boiler, a distillation tower extending about two or more feet above the boiler, and a steam conduit exiting from near the top of the tower leading i... | 12/16/1980 |
| 4236973 | Method of removing contaminants from water Organic material having a normal boiling point in excess of 200° C. and a relative volatility with respect to water of at least one is removed from water contaminated therewith. The process comprises passing a current of vapor, sufficient to vaporize at ... | 12/02/1980 |
| 4235677 | Distillation flask and apparatus for producing high-purity water having overflow liquid trap means An apparatus for the continuous production of high-purity water includes a distillation flask, a carboy and a condenser unit, all of borosilicate glass. A respective filter, preferably in the form of a polytetrafluoroethylene sheet, is provided between th... | 11/25/1980 |
| 4233153 | Continuous method and apparatus for separating solvent from solute A method and apparatus for continuously separating a volatile solvent from a solution of the solvent and a relatively non-volatile solute at a temperature substantially below the boiling point of the solvent. The apparatus includes opposed, slightly space... | 11/11/1980 |
| 4230531 | Wind powered solar still Apparatus comprising a solar still and a wind powered generator. Sea water is preheated in a condenser and is supplied to the still where it is heated further either by solar radiation, or by a heated pipe containing brine, or both. The still supplies war... | 10/28/1980 |
| 4230530 | Self-cleaning water distiller with intermittent overflow There is disclosed a water distiller, primarily for producing water for human consumption which includes a boiler, a distillation tower extending about two or more feet above the boiler, and a steam conduit exiting from near the top of the tower leading i... | 10/28/1980 |
| 4219387 | Solar still A solar still adapted to float on a body of water has a toroidal evaporating chamber with sunlight admitting and absorbing, respectively, top and bottom walls for vaporizing water from the body admitted to overlie the bottom wall. A surrounding inner floa... | 08/26/1980 |
| 4217176 | Evaporator A vapor compression distiller has a vertically oriented cylindrical tank and a heat exchanger having a plurality of groups of heat exchange tubes disposed one above the other. Internal baffling channels vapor through the groups of heat exchange tubes in a... | 08/12/1980 |
| 4214454 | Water recovery system An apparatus for transforming the water vapor in the atmosphere into liquid water comprising a precipitating chamber, a mixing chamber, heat transfer system, and means for moving atmospheric air through the system. A method of producing liquid water from the a... | 07/29/1980 |
| 4210494 | Solar desalination system A solar desalination system comprising a tank having a transparent cover. Salt water to be distilled is introduced into the tank at an inlet spaced from the cover while brackish or waste water is withdrawn from the tank through an outlet at substantially ... | 07/01/1980 |
| 4209363 | Solar still apparatus A solar still apparatus having a condensation chamber is disclosed. A plurality of hollow columns are connected to the chamber at the open upper ends of the hollow columns and the lower ends of the hollow columns are adapted to engage a support surface fo... | 06/24/1980 |
| 4202736 | Process and apparatus for the thorough purification of water and the highly purified water obtained thereby The water is heated to convert it into steam; the steam is passed from a container into a superheating zone and then condensed in the form of purified water. The superheating zone contains at least in part, a packing of a material inert with respect to st... | 05/13/1980 |
| 4200497 | Sparged air distilled water recovery system A sparged air distilled water recovery system comprising a closed tank having spaced end walls. Passing through one end wall is a conduit that is connected at one end to a source of supply of water under pressure and terminating in a jet nozzle. An overfl... | 04/29/1980 |
| 4194950 | Liquid purifying apparatus Liquid purifying apparatus in which an infeed chamber, an evaporator chamber and a condenser chamber are arranged in that order along a flow path. A first inflatable bag is interposed across the flow path between the infeed chamber and the evaporator cham... | 03/25/1980 |
