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7638059 |
Method for stable oxygen isotope separation and its apparatus using membrane distillation
The present invention relates to an oxygen isotope separation system and a method therefor. More specifically, the invention relates to a newly invented pressure-driven AGMD (Air Gap Membrane...
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7611604 |
Method and device for the production of purified steam
The invention relates to a method and a device for the production of pure steam. A falling-film evaporator is used. Of the water-steam mixture leaving the evaporator unit, part of the water is...
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7608171 |
Distillation system and process
A distillation system for distilling contaminated water includes an evaporation chamber for receiving the contaminated water. The evaporation chamber includes (i) a vessel for absorbing the...
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7597785 |
Low energy vacuum distillation method and apparatus
A sub-atmospheric pressure desalinating still employs a closed top, open bottom pipe filled with source water to be distilled, such as seawater, having a height greater than the height of a column...
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7594980 |
Device and method for distillation
Device for distillation, for example extraction of fresh water from sea water, including a number of chambers ( 3 ) at least in one row, an inlet ( 10 ) for distillation fluid, an outlet ( 11 ) for...
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7572352 |
Method and plant for desalinating salt-containing water
Salt-containing water is desalinated by first passing salt-containing water through a heat exchanger disposed in a basin containing solar-heated brine formed by several layers of water lying one...
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7566351 |
Process for producing electrical power and potable water from biomass
The invention comprises, in one form thereof, a technique which allows biomass to be utilized as a fuel for the co-production of electrical power and potable water in a most efficient manner....
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7540936 |
Oil/water separation system
An evaporator for receiving waste fluid stream and producing separate streams of an evaporated fluid and a condensate liquid for use in industrial waste treatment has a curved pathway bounded by a...
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7527711 |
Process and structure for superaccelerating nature, producing a continuous supply of fresh water from salt water by using solar, wind, and wave energy
A continuous supply of fresh water achieved through desalinization by a system of Venturi shafts to increase the velocity and pressure of air flow allowing for increased condensation and processing...
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7517493 |
Cooling water corrosion inhibition method
Methods for inhibiting corrosion in aqueous evaporative systems where soluble silica (SiO 2 ) is maintained at residuals between 10 Mg/L and saturation, but more preferably maintained at greater...
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7507316 |
Solar still
The solar still has a frame, an evaporator within the frame and a glass sheet supported by the frame and spaced above the evaporator. The evaporator has a peripheral flange in contact with the edge...
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7504005 |
Fluid distillation apparatus having improved efficiency
A condensing chamber and a heating chamber are arranged in an enclosure. Liquid is fed into the condensing chamber where it is pre-heated. The pre-heated liquid flows to the heating chamber where...
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7501046 |
Solar distillation loop evaporation sleeve
An evaporation sleeve is placed within a solar distillation loop apparatus to increase the amount of water evaporated by the apparatus. The evaporation sleeve is rotationally attached within the...
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7494573 |
Evaporator tube for a sea water desalination system
The invention relates to an evaporator tube for a sea water desalination system, whereby drinking water or water for domestic or industrial purposes, respectively, is extracted from the sea in...
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7494572 |
Water still and method of operation thereof
A mechanical water still ( 10 ) includes an impervious dome-like upper surface ( 12 ) and a membrane base ( 14 ) that is coupled ( 26 ) to the impervious dome-like structure ( 12 ) to form, when...
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7491298 |
Plant for producing low deuterium water from sea water
A plant and process for efficient production of low deuterium water from seawater. The plant includes a solar still with a black pan for collecting solar heat, that vaporizes portions of the...
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7488421 |
Method and device for the purification, especially desalination, of water
Water processing method, in particular for producing fresh water from salt water by membrane distillation. In comparison with previously known methods, a significant reduction in investment cost...
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7476323 |
Desalination on an offshore apparatus
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...
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7470349 |
Pressure desalination
A device for delivering purified water from a reservoir of salt water including a vapor tube supported concentrically inside a barrier tube The vapor tube has apertures that provide a passage of...
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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...
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7431806 |
Low energy vacuum distillation method and apparatus
A sub-atmospheric pressure desalinating still employs a closed top, open bottom pipe filled with source water to be distilled, such as seawater, having a height greater than the height of a column...
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7416643 |
Solar water desalination/purification device
A solar water desalination and purification device includes an outer liquid-tight containment and an inner liquid-tight containment disposed within the outer containment. The outer containment...
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7390380 |
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...
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7381310 |
Installation used to obtain salt-free sea water at a low temperature with continuous operation and enthalpy recovery
A sea water desalination installation that employs an evaporation-condensation system which operates continuously at a low temperature and which enables the recovery of energy released. The...
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7368040 |
Apparatus for and method of heating fluid and distilling fluid
A method and an apparatus for heating fluid with a gas heater and distilling fluid with the pilot light of the gas heater are disclosed. The apparatus for heating fluid and distilling fluid...
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7357849 |
Method and system for separating solids from liquids
A method and system for treating feedwater includes evaporating a portion of the feedwater in a first evaporation chamber so as to separate water vapor from the remaining feedwater. Droplets of the...
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7258767 |
Solar dew tube
The invention pertains to a device for the condensation of water from an aqueous liquid by using a temperature gradient, which device includes:
(a) a vapor chamber that can be brought in...
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7232878 |
Polymer treatment for separating volatile material
A process for the separation of volatile material from particulate polymer which has been substantially freed from unreacted monomer in an earlier separation step, comprising (a) feeding the...
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7217343 |
Point of use water purification method and apparatus
A compact, energy efficient, continuous-flow point of use distillation system utilizes stacked, vertically-arranged components to provide a compact and energy efficient distillation process and a...
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7160469 |
System and method for efficient and low energy desalination of water
Many areas in the world already suffer shortages of water, and others will suffer from it in the coming years. Therefore more efficient water sweetening is essential for our survival on this...
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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...
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7150320 |
Water treatment method for heavy oil production
A process for treating produced water to generate high pressure steam. Produced water from heavy oil recovery operations is treated by first removing oil and grease. If necessary, the pH is then...
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7122148 |
Cooling water scale and corrosion inhibition
A methods of the present invention for inhibiting silica scale formation and corrosion in aqueous systems where soluble silica residuals (SiO 2 ) are maintained in excess of 200 mg/L, and source...
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7108769 |
Solar distillation loop
A solar distillation loop apparatus includes a first pipe section disposed on a ground surface, the first pipe section including a substantially straight portion and elevated portions on each end...
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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...
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7067044 |
Multi-unit, distributive, regenerable, in situ desalination 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...
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7008515 |
Solar water still
A solar water still ( 10 ) includes an enclosure assembly ( 12 ) and an evaporation assembly ( 14 ) that float on a body of source water and that are readily collapsed and folded for storage or...
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6998092 |
Cooling water scale and corrosion inhibition
A methods for inhibiting silica scale formation and corrosion in aqueous systems where soluble silica (SiO 2 ) can be maintained at residuals below 200 mg/L, but more preferably maintained at...
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6984292 |
Water treatment process for thermal heavy oil recovery
There is disclosed a method and apparatus for treating produced water from a heavy oil thermal recovery unit to achieve water recovery and recycle levels of greater than 80% and as high as 100% to...
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6977047 |
Method and system for the manufacture of pharmaceutical water
A method is provided for manufacturing pharmaceutical water by means of distillation and sanitizing the equipment used in said manufacturing. The method comprises the removal of suspended solids...
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6969467 |
Hydrate-based desalination with hydrate-elevating density-driven circulation
In hydrate-based desalination or other water purification conducted using naturally buoyant or trapped-gas-assisted buoyancy hydrate in a hydrate fractionation column, a portion of fresh or...
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6953518 |
Apparatus for concentrating a specific ingredient-dissolved liquid
A specific ingredient-dissolved liquid condensing apparatus, comprising an upper tank, a lower tank provided under the upper tank, the upper tank being provided with a liquid-falling opening and a...
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6949192 |
Apparatus for producing USP or WFI purified water
An improved water purification system for production of USP purified water and/or USP water for injection include backwashable, chlorine tolerant microfilter or ultrafilter for initial filtration...
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6946081 |
Desalination system
The invention provides methods and an apparatus for more efficiently and economically producing purified water from sea water or some other salty or brackish water source. The efficiency is derived...
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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...
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6919000 |
Diffusion driven desalination apparatus and process
A diffusion driven desalination apparatus and related method includes structure for receiving a heated water stream and creating at least one region having a thin film of water and structure for...
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6893540 |
High temperature peltier effect water distiller
An apparatus for and method of distillation uses a high temperature thermoelectric device to heat a liquid, such as water to vapor (steam) and cool the vapor to a purified, distilled liquid....
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6890444 |
Hydrate formation and growth for hydrate-based desalination by means of enriching water to be treated
Water to be desalinated or otherwise purified is enriched by having hydrate-forming substance dissolved into it, without causing hydrate to form. Hydrate kernels are brought into contact with the...
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6887344 |
Compact wastewater cleaning apparatus
A compact, self-contained apparatus for treating wastewater containing as impurities and pollutants various non-volatile (at water boiling points) fluids such as greases, oils and soaps, a vessel...
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6866750 |
Device for desalination of water and methods of use
The present invention provides a device and method for desalinating saltwater which utilizes a heatable vessel wherein is placed a sufficient quantity of a salt which will absorb water of...
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