|| List of recent Water Purification-related patents
|Surface-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.. .
|Water 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..
|Low 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.
|Industrial 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..
|Water purification system|
Technology is described for a water purification system. The water purification may include a carbon block.
|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.
|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..
|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.
|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.
|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..
|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.
|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.
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.
|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.
|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.
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.
|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.
|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.
|Ultrasound and acoustophoresis for water purification|
Provided herein are systems and methods for separation of particulate from water using ultrasonically generated acoustic standing waves.. .
|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.
|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..
|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.. .
|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.
|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.
|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.. .
|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.
|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.
|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.
|Water purification unit|
Disclosed herein is a sachet that can remove contaminates from a water sample. The sachet can comprise a nanomaterial.
|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.
|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.
|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.
|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.
|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).
|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..
|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.
|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..
|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.
|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.
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.
|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.
|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..
|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.
|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.
|Control system for a mobile water filtration unit, and related devices, components, systems and methods|
A standardised, modular mobile water purification unit for the production of safe potable water and for treatment of wastewater is disclosed to fulfil the water need for humans, animals and households. In one embodiment, the unit can be based on a standardized climate-controlled container that is robust both physically and functionally, can be easily transported and quickly set up in remote regions and disaster areas.
|Mobile water filtration unit and control system, and related devices, components, systems and methods|
A standardised, modular mobile water purification unit for the production of safe potable water and for treatment of wastewater is disclosed to fulfill the water need for humans, animals and households. In one embodiment, the unit can be based on a standardized climate-controlled container that is robust both physically and functionally, can be easily transported and quickly set up in remote regions and disaster areas.
|Biological waste water purification reactor and method|
A biological reactor for treating wastewater. The reactor includes a gas injection system and a system for directing wastewater into the reactor.
|Water purification systems and methods|
Systems, components, and methods for water purification are described. In an example, a system may comprise an array of light-focusing elements, a heat exchanger device, a turbine generator, or other components and can be configured to use a source of light (e.g., sunlight) to filter water from a water source and to generate electricity.