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Water Purification patents



      
           
This page is updated frequently with new Water Purification-related patent applications. Subscribe to the Water Purification RSS feed to automatically get the update: related Water RSS feeds. RSS updates for this page: Water Purification RSS RSS


Large-scale water purification and desalination

Large-scale water purification and desalination

Water purification system

Water purification system

Water purification system

Methods for hydrodynamic control of a continuous water purification system

Date/App# patent app List of recent Water Purification-related patents
10/09/14
20140299545
 Dialysis system patent thumbnailDialysis system
A dialysis system includes a filtration system capable of filtering a water stream, a water purification system capable of purifying said water stream in a non-batch process, a mixing system capable of producing a stream of dialysate from mixing one or more dialysate components with the water stream in a non-batch process, and a dialyzer system. The dialyzer may be a microfluidic dialyzer capable of being fluidly coupled to the stream of dialysate and a blood stream..
10/09/14
20140299462
 Large-scale water purification and desalination patent thumbnailLarge-scale water purification and desalination
Embodiments of the invention provide systems and methods for water purification and desalination. The systems have a preheater, a degasser, multiple evaporation chambers with demisters, heat pipes, and a control system, wherein the control system permits continuous operation of the purification and desalination system without requiring user intervention or cleaning.
10/09/14
20140299460
 Water purification system patent thumbnailWater purification system
A distillation system comprising: an evaporator section for holding a source liquid to be distilled and including a first heat exchanger arranged to heat the source liquid; a condenser section for receiving vapor from the evaporator section and condensing it to form a liquid distillate and including a second heat exchanger arranged to cool the vapor; and a heat exchange system comprising the first and second heat exchangers connected by means of a fluid circuit containing a working fluid that circulates between the first and second heat exchangers, the fluid circuit further comprising a compressor for compressing fluid passing from the second heat exchanger to the first heat exchanger, and a throttle valve limiting flow between the first heat exchanger and the second heat exchanger. The compressor can comprise first and second heat exchange chambers, each chamber including an inlet and outlet for the working fluid in the fluid circuit, and a chamber heat exchanger connected to a supply of temperature-controlled fluid..
10/02/14
20140291247
 Methods for hydrodynamic control of a continuous water purification system patent thumbnailMethods for hydrodynamic control of a continuous water purification system
Methods and apparatus for removing contaminants from liquid using a continuously circulating stream of purifying media are disclosed. In one embodiment the method includes mixing a regenerated purifying media with a contaminated liquid containing diverse contaminants; co-currently transporting the purifying media and the contaminated liquid in a mixed state; removing, using the purifying media, while co-currently transporting the purifying media and the contaminated liquid, contaminants from the contaminated liquid so as to produce a mixture of a decontaminated liquid and a contaminated purifying media; and separating contaminated purifying media from the decontaminated liquid.
10/02/14
20140291246
 Selective adsorbent fabric for water purification patent thumbnailSelective adsorbent fabric for water purification
A water purification chamber is provided. In one embodiment, a system comprises a purification chamber comprising a selective adsorbent activated carbon fiber fabric including one or more selective functional groups that bind arsenic..
09/25/14
20140284519
 Surface-treated calcium carbonate and its use in water purification and for the dewatering of sludges and sediments patent thumbnailSurface-treated calcium carbonate and its use in water purification and for the dewatering of sludges and sediments
The invention relates to a process for the purification of water and/or dewatering of sludges and/or sediments, to the use of a surface-treated calcium carbonate for water purification and/or dewatering of sludges and/or sediments, as well as to the use of a surface-treated calcium carbonate for reducing the amount of polymeric flocculation aids in water and/or sludges and/or sediments and to a composite material comprising a surface-treated calcium carbonate and impurities originated from different sources obtainable by said process.. .
09/25/14
20140284199
 Water purification using energy from a steam-hydrocarbon reforming process patent thumbnailWater purification using energy from a steam-hydrocarbon reforming process
A process and system for producing a h2-containing product gas and purified water from an integrated catalytic steam-hydrocarbon reforming and thermal water purification process. Raw water, such as salt water, is heated by indirect heat transfer with reformate from the catalytic steam reforming process for purifying raw water in one of a multiple effect distillation process and a multi-stage flash process..
09/25/14
20140283547
 Low energy gasifier-liquefier patent thumbnailLow energy gasifier-liquefier
Disclosed are two related devices which can convert gas to and from liquid, or liquid to and from gas, with no expenditure of energy for heat of vaporization or for condensation. One device is designed for discrete units of fluid, the other for continuous flow.
09/18/14
20140263081
 Industrial water purification and desalination patent thumbnailIndustrial water purification and desalination
This invention relates to the field of water purification and desalination. In particular, embodiments of the invention relate to systems and methods of removing essentially all of a broad spectrum of impurities from water in an automated industrial process that requires minimal cleaning or maintenance during the course of several months to several years, with relatively high yields of product water per unit of input water, flexibility with respect to energy sources, compact design with a low industrial foot-print, the ability to recover valuable by-products, and ultra-low energy requirements..
09/18/14
20140263054
 Water purification system patent thumbnailWater purification system
Technology is described for a water purification system. The water purification may include a carbon block.
09/18/14
20140263014
Water filtration device
A simplified portable water purification system provides an unfiltered water receiving compartment, a disposable filter cartridge, and a filtered water reservoir all in a single container. The container has a removable lid and is a vertically positioned, wide-mouth, tubular structure.
09/18/14
20140261466
Adsorbent, method for producing same, adsorbent for water purification, mask and adsorptive sheet
Provided is an absorbent including silica of which a raw material is a material originating from a plant which includes silicon, and a silane coupling agent which modifies a surface of the silica. A value of a specific surface area of the silica in accordance with a nitrogen bet method is 10 m2/g or more, and a pore volume of the silica in accordance with a bjh method is 0.1 cm3/g or more..
09/11/14
20140251920
Enhanced foam removal of total suspended solids and multiply charged cations from aqueous or aqueous/oil mixed phase via increased viscoelasticity
The present invention provides improved methods for purifying and/or removing multiply charged cations and suspended solids from water. In particular the process relates to an additive composition that has the appropriate surfactant characteristics for effectively removing multiply charged cations and suspended solids from an aqueous or oil/aqueous mixed phase via foam fractionation.
09/11/14
20140251919
Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity
The present invention provides improved methods for purifying and/or removing oily particles, and/or contaminants suspended or dissolved in water. In particular the process relates to an additive composition that has the appropriate surfactant characteristics for effectively removing an oil phase from an oil/aqueous mixed phase via foam fractionation.
09/04/14
20140246377
Composition comprising a non-ionic surfactant and an ionic polymer
The invention relates to compositions, preferably solid compositions, comprising a non-ionic surfactant and an ionic polymer, methods for their preparation and their use. The compositions are useful inter alia as flocculation auxiliaries for solid-liquid separation processes, for example in sludge dewatering/waste water purification and as retention aids or other additives in paper manufacture..
08/28/14
20140238910
Water conservation device for reverse osmosis system
The initially cold water streams of a household hot water plumbing circuit are accumulated in a storage container to be thereafter drained off with the cold water stream, at various flow restricted levels, thereby conserving water use. This accumulate may be adjustably admixed into the waste products of a household drinking water purification system, thereby diluting it to acceptable levels that may be useful for washing and the like.
08/07/14
20140217037
Methods of producing iodinated resins
Methods for producing or regenerating an iodinated resin are presented. The methods include converting iodide residues on a surface of and in pores of an iodide loaded anion exchange resin to iodine and iodine intermediates using a source of active halogen to form an iodinated resin having iodine and iodine intermediate residues on the surface of and in the pores of the iodinated resin.
08/07/14
20140217024
Water purification
The invention provides an efficient method to purify an aqueous solution, typically mine drainage water, especially of anions and cations present in the aqueous solution as dissolved solids, the anions and cations are removed by treatment with a positively charged extractant having at least eight carbon atoms, whereby an unstable emulsion is formed; the unstable emulsion is allowed to break into an extract phase loaded with the anions and cations, and a water phase depleted in anions and cations; a floc inherently forms in the loaded extractant phase and then the loaded extractant phase and floc are separated from the purified water and treated to remove the anions and cations as concentrated useful products; the treated aqueous phase now reduced in anion and/or cation content is also separated from the emulsion as a purified aqueous solution. The extractant phase is preferably recycled.
08/07/14
20140217005
Water purification cartridge and water purifier
The objective of the present invention is to provide a water purification cartridge with excellent water permeability and processing capability. The present invention relates to a water purification cartridge positioned between a raw water reservoir and a purified water reservoir of a water purifier and having a container to accommodate an adsorbent and a hollow-fiber membrane for filtering raw water.
07/31/14
20140209540
Ultra-pasteurization for dialysis machines
Disclosed herein are water purification and supply systems for medical devices and methods of using. In an embodiment, the system includes a dialysis system includes a filtration system capable of filtering a water stream, a water purification system capable of purifying said water stream in a non-batch process, a mixing system capable of producing a stream of dialysate from mixing one or more dialysate components with the water stream in a non-batch process, and a dialyzer system.
07/24/14
20140206832
Poly oligosiloxysilane
The present invention relates to a new synthesis procedure for a family of silica based polymer materials synthesized through the interconnection of silicate oligomers with reactive silanes. By using this synthesis it is possible to generate novel silica based polymer materials.
07/24/14
20140202948
Portable liquid purifying apparatus
Liquid purifying apparatus integrating a filter assembly and an ultraviolet light disinfection assembly that are suitable for portable water purification are described. A first apparatus includes a container, a cap assembly including a filter removably coupled to a first opening of the container and a disinfection assembly coupled to a second opening of the container and adapted to emit uv light to disinfect liquid in the container.
07/24/14
20140202943
Sustained silver release composition for water purification
Described herein are methods and compositions for preparing an adsorbent composition for sustained silver ion release is provided. The method comprises impregnating silver nanoparticles on an organic-templated-nanometal oxyhydroxide.
07/24/14
20140202876
Ultrasound and acoustophoresis for water purification
Provided herein are systems and methods for separation of particulate from water using ultrasonically generated acoustic standing waves.. .
07/17/14
20140197089
Water filtration kettle with a sterilization function
A water filtration kettle includes a container unit, a filtering unit, a bactericidal lamp and a power supply module. An interior of the container unit is provided with a water storage chamber and a water purification chamber which is disposed below the water storage chamber.
07/10/14
20140193731
Energy generation system and related uses thereof
A system for converting a waste stream to energy including a water purification device that outputs purified water and a waste stream that includes an electrolyte, a wind and electrolytic energy generation device that receives the waste stream from the water purification device and outputs energy based on the electrolyte present in the waste stream and a power distribution system which receives and stores the energy from the wind and electrolytic energy generation device. The water purification device is further connected to the power distribution system and receives energy enabling further operation of the water purification device..
07/10/14
20140190877
Electricity-free water purification installation with a membrane filter and a system of automatic backwashing of the filter
Electricity free operating water purification installation with a membrane filter and a system of automatic backwashing of that filter characterised in that during the operation a fixed percentage is diversed from the outflow of filtered water and is stored in a container under progressive pressure, which to a certain maximum pressure is cut of from a feedback to the membrane filter, so that consequently after filtration of a certain volume of polluted water through the membrane filter the pressure in the container will exceed the maximum resistible pressure by the one way closure, which then will open so that the contents of the container will be forced back through the membrane filter under higher pressure than the original filtration pressure, whereby is provided in automatic closure after the container is emptied.. .
07/03/14
20140183141
Photocatalytic composition for water purification
The present invention refers to lightweight and settable photocatalytic compositions and solid composites; methods of preparing the compositions and solid composites; and their use in water purification. The compositions are comprised of photocatalysts such as titanium dioxide (tio2) and zinc oxide (zno), lightweight glass bubbles, and a hydraulic cementing binder.
07/03/14
20140182296
Apparatus and method of burning sewage sludge and generating power thereof
The disclosure is concerned with generating power using new organic fuel that is generated at wastewater purification plants in the form of sewage sludge with moisture content up to 90-95%. The world supplies this new orgabic fuel in very high quantites that are estimated to be more than 25-40 gr of dry mass/man/day.
06/26/14
20140175015
Water purification method
A water purification method comprising adding a purification agent to water having a contaminant concentration of 1 μg/l to 10 g/l, the purification agent containing an adsorbent having an average particle size of 100 nm to 500 μm, an iron-based flocculant, and an alkaline substance; causing the adsorbent to adsorb at least a part of the contaminants in water; settling the adsorbent with the adsorbed contaminants by the iron-based flocculant; and removing the sediment from water, wherein the purification agent is added in an amount of 0.01 g to 20 g per liter of water, can purify contaminated water conveniently and efficiently.. .
06/26/14
20140175014
Water purification device
A water purification device includes an expandable water collecting device having a variable volume, wherein at least part of the surface of the water collecting device includes a filter area, the filter area being permeable to water and allowing water to enter the water collecting device when the filter area is submerged in water. The device further includes a mechanically driven expansion means for exerting a force for increasing the volume of the water collecting device and thereby drawing water through the filter area into the water collecting device.
06/19/14
20140166498
Water purification system and method
Embodiments of the invention are directed to systems and methods for purifying fluids, such as water. In some embodiments, the water is first filtered by known filtering methods, such as by reverse osmosis or distillation.
06/12/14
20140158633
Particle suspensions of flocculating polymer powders and powder flocculant polymer blends
Powder blends are described comprising blends of particulate water soluble high molecular weight polymer flocculants. The polymer flocculants can include polyethylene oxide, polyacrylamide, copolymers thereof and combinations thereof.
06/12/14
20140158625
Water purification unit
Disclosed herein is a sachet that can remove contaminates from a water sample. The sachet can comprise a nanomaterial.
06/12/14
20140158525
Apparatus for controlling an electrolytic cell in a water purification system
A system comprises a water purification system having an electrolytic cell to receive a flow of waste water. A power source supplies power to the electrolytic cell.
06/05/14
20140151297
Portable reverse osmosis water purification system
In a reverse osmosis fluid purification system, an input fluid is received at an input of the purification system, and a fluid purification run cycle is performed on the input fluid. The fluid purification cycle includes pumping the input fluid through a membrane with a pump at a first pressure and first flow rate to generate product fluid and waste fluid.
05/29/14
20140144841
Water purification matrix
A method for removing one or more organic or inorganic solutes from a solution, comprising contacting the solution with one or more layers of filtration media, whereby the solute(s) are adsorbed onto one or more filtration layer(s) is described. Primarily, but not exclusively, the filtration media are polymers formed by polymerizing one or more hydrophilic electrically active monomers, with the subsequent addition of varying mole percent's of one or more counter anions.
05/22/14
20140138303
Structure for opening section, and water purification cartridge
A structure for an opening section closed by a net through which fluid flows. The opening section is provided in a vertical wall so as to rise to the vertical wall side from the corner formed between the vertical wall and a horizontal wall.
05/15/14
20140131269
Quick connect modular water purification system
In a water purifier module, feed water (impure water) moves through feed tubes (60, fig. 3) that have feed tube holes (62) that open to a feed cavity (42).
05/08/14
20140124455
System and method for purification and distribution of water with separation barrier taking away the biological contamination
The invention concerns a treated water purification system (18) comprising a closed water flow loop (107) said loop comprising at least one treated water supply point (a), at least one point of use (u) of purified water, a pump means (101), a sterilization means (106) and a filtration means (103), characterized in that the zone (106) comprises the supply point (a) and a water extraction point (p), situated upstream of the supply point (a), and in that the extraction point (p) and the supply point (a) are both situated in a sector (106b) of the sterilization zone (106) that is isolated from the two connection points (rm, rv) of the loop (107) to the zone (106) by two other sectors (106a, 106c) of the zone (106). Method for use of such a system..
05/08/14
20140124420
Hybrid artificial wetland water purification system, sewage treatment device using same, and natural nonpoint purification device capable of simultaneously purifying river and lake water
A water quality purification system for a hybrid artificial wetland includes a first aerobic artificial wetland, an anaerobic artificial wetland, and a second aerobic artificial wetland. Here, the first aerobic artificial wetland induces a vertical flow of water, which is to be purified, and allows pollutants to be removed.
05/01/14
20140116943
Water purification system and method
A water purification system has a closed water channel to circulate circulating water not containing substances causing fouling at the downstream side separated from the water to be treated with a semipermeable membrane. By performing reverse osmosis membrane treatment on the circulating water of a low concentration of organic substances after reclaiming water from the water to be treated containing organic substances to the circulating water through a forward osmosis membrane in which fouling is hard to occur, the substances causing fouling can be prevented from contacting onto the reverse osmosis membrane and thus fouling can be suppressed..
04/24/14
20140110341
Integrated water testing system and method for ultra-low total chlorine detection
A system and method for determining a concentration of total chlorine in dialysis water are provided. The system comprises a main unit housing an iodide/water sample chamber and a reducing agent chamber.
04/24/14
20140110340
Total chlorine water detection system and method for medical fluid treatments
A system and method for determining a concentration of total chlorine in dialysis water are provided. The system comprises a main unit housing a ki/water sample chamber and a sodium sulfate chamber.
04/24/14
20140110330
Filtration device
Provided is a filtration device with a plurality of filters that can be backwashed with purified water with a simple operation. The filtration device 1 switches between a water purification mode, a first backwashing mode, and a second backwashing mode, depending on a pivot position of a valve 6.
04/17/14
20140103289
High efficiency ultraviolet light emitting diode with band structure potential fluctuations
A method of growing an algan semiconductor material utilizes an excess of ga above the stoichiometric amount typically used. The excess ga results in the formation of band structure potential fluctuations that improve the efficiency of radiative recombination and increase light generation of optoelectronic devices, in particular ultraviolet light emitting diodes, made using the method.
04/17/14
20140102990
System and method for water purification with automatic purge
The invention concerns a treated water purification system (107) comprising a water flow loop (110), said loop (110) being closed onto a tank (10) of treated water to purify, and said loop (110) successively comprising, in the direction of flow of the water downstream of the tank (10), at least one pump means (102), at least one first filtration means (103), at least one second filtration means (104) and at least one point of use (u), the system (107) being characterized in that it further comprises at least one diversionary pipe (112) linking the first filtration means (103) to the tank (10), and a loop return pipe (114) linking the second filtration means (104) to the tank (10). Method for use of such a system..
04/17/14
20140102982
Semipermeable membrane and process using same
An enhanced process for semipermeable membrane performance. Counter flowing chambers on either side of a semipermeable membrane is disclosed.
04/17/14
20140102965
Solar powered water purification canteen
A solar powered water purification canteen includes a container, uv led lights and a solar power panel. The container is adapted to hold a fluid and has a reservoir, an inlet and an outlet.


Popular terms: [SEARCH]

Water Purification topics: Water Purification, Wastewater, Water Purification System, Water Treatment, Compaction, Wastewater Treatment, High Concentration, Hydrophilic Properties, Microfilter, Aqueous Solution, Nanoparticle, Hollow Fiber Membrane, Appliances, Morphology, Ultraviolet

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This listing is a sample listing of patent applications related to Water Purification for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Water Purification with additional patents listed. Browse our RSS directory or Search for other possible listings.
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