|| List of recent Water Purification-related patents
| 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.
|Water gathering cover|
A water gathering cover has a water gathering element, multiple hole sets and multiple mounting sleeves. Because a cover of a water purification unit and the water gathering element are integrated, the assembling of the water purification device is simplified as follows.
|Process for extraction of water from municipal solid waste, construction and demolition debris, and putrescible waste|
A process for reducing the cost associated with the transportation and disposal of waste material by extracting water ad other liquids from municipal solid waste, construction and demolition debris, and putrescible waste to thereby significantly reduce the weight of the material prior to transport. In one embodiment, the process involves waste product being turned through a heated auger system, wherein the waste material is indirectly heated by high temperature oil to remove the liquid (including water) and moisture content from the waste product.
|Encapsulated water filter media assembly|
A disposable encapsulated water purification media assembly including a hollow cylindrical core member, a top end cap permanently attached to a top portion of the cylindrical core member, and a bottom end cap permanently attached to a bottom portion of the cylindrical core member, such that the cylindrical core member, top end cap, and bottom end cap form a void capable of directly containing a water purification media.. .
|Water purification system engineered for legionella control in industrial and commercial water systems|
The present invention relates to water purification systems and uses thereof in particular, the present invention relates to the use of water filtration systems to combat legionella bacterial contamination of industrial and commercial water systems, such as grocery store misting systems.. .
|Water purification device|
A device (1) for purification of water driven by gravity through a purification unit between an upper dirt water container (2) and a lower clean water tank (3). A backwash system may be integrated, the system comprising a receptacle (8) for accumulation of the backwash water to prevent consumption thereof by mistake..
|Method for improving a wastewater purification process|
The present invention relates to a method for improving a wastewater purification process for a wastewater stream containing organic materials, raw sludge, a plurality of mercaptans, grit and grease wherein the raw sludge is thickened in the wastewater stream by injecting polymers. The method includes a step of injecting an additive agent prior to thickening the raw sludge to reduce odor produced by the organic materials and the mercaptans..
|Ecological biotope water purification system utilizing a multi-cell and multi-lane structure of a constructed wetland and sedimentation pond|
The present invention provides an ecological biotope water purification system utilizing multi-cells and multi-lanes by considering the width, length, curvature and slope of proposed composition site wetland and pond. The system comprising: a sedimentation pond (200, 200′) for temporarily storing wastewater incoming from an inlet (100,100′); a marsh (300, 300′) incoming the primarily treated water, being precipitated solid contaminants, and discharged from the sedimentation pond (200, 200′), and at least one multi-level cell composed an open water-surface pond (400, 400′) entering the primarily treated water from the marsh; a settling reservoir (600, 600′) outflow finally purified water by multi-level cell inflow for temporarily storing through outlet (700, 700′), the multi-level cell consists at least of two multi-lanes (40, 40′, 40″), each lane is separated by small dikes (900, 900′).
|System and process for producing a h2-containing gas and purified water|
System and process for producing a h2-containing product gas and purified water from an integrated h2-producing reforming and thermal water purification process. Raw water, such as salt water, is heated by indirect heat transfer with reformate from the h2-producing reforming process for purifying raw water in a multiple effect distillation 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..
|Systems and methods for water purification|
An evaporator assembly includes an inlet member and a diffuser, and receives a mixture of a gas and a solution to vaporize a portion of a solvent from the solution. First portions of the diffuser and of the inlet member collectively define a first flow path.
|Water purification system|
A system and a method for treating water, the system comprising a first conduit having an inlet and an outlet with an ozone generator situated thereon, the ozone generator being operative to selectively treat water flowing through the conduit with the ozone, a sensor to measure the oxidation reduction potential of water, the sensor being operatively connected to the ozone generator, a holding tank situated at the outlet of the first conduit, the holding tank having a gas outlet conduit and a gas release valve, a second conduit extending from the holding tank, and an activated carbon filter on the second conduit.. .
|Mobile water purification system|
The present invention relates to a mobile water purification system employing crossflow filtration, such as reverse osmosis filtration. One embodiment of the invention discloses a mobile water purification system comprising a housing, a pump unit and a piping system for providing fluid communication between a water inlet, a pre-filtration unit, a crossflow filtration unit, a disinfection unit and an outlet for supply of purified water, wherein the pre-filtration unit comprises sediment/cartridge filtrations means and dechlorination means, the cross-flow filtration unit comprises a plurality of parallel and/or sequentially arranged membrane filters, and the piping system is reconfigurable such that the crossflow filtration unit can be bypassed.
|Locally powered water distillation system|
A system for distributed utilities including electrical power and water. A generation device is provided for converting an available resource to a desired utility; the resource may be water, in which case the generator is a purifier for purifying untreated water, or, alternatively, the generator may convert a fuel to electrical power.
|Integrated process for the production of bio-oil from sludge coming from a wastewater purification plant|
Integrated process for the production of bio-oil from sludge coming from a wastewater purification plant comprising the following steps: (a) sending wastewater to said purification plant obtaining sludge; (b) subjecting the sludge obtained in said step (a) to liquefaction, obtaining a mixture including an oily phase consisting of bio-oil, a solid phase and an aqueous phase; (c) sending the aqueous phase obtained in said step (b) to said purification plant. The bio-oil (or “bio-crude”) thus obtained can be advantageously used in the production of bio-fuels which can be used as such, or in a mixture with other automotive fuels.
|Automated solution dispenser|
The present invention relates to an automated solution dispenser for dispensing a solution having a defined list of characteristics. In particular, the automated solution dispenser according to the present invention is provided with one or more of the following modules: central mixing chamber (cmc), flush and verification system (fvs), liquid handling system (lhs), control system (cs), pivot pipe system (pps), solid handling system (shs) (which includes a delivery mechanism and a measuring mechanism), a bottle handling system (bhs), a water purification system (wps) and bottle marking/label (bm).
|Wastewater purification system and method|
Embodiments of the present disclosure provide a system and method for wastewater purification. The system may include a sludge filtration unit, a screen filtration unit, a multi-media filtration unit, and a soluble hydrocarbon filtration unit.
|Porous carbon material, adsorbent, oral adsorbent, medical adsorbent, filler for blood purification column, water purification adsorbent, cleansing agent, carrier, sustained release pharmaceutical, cell culture scaffold, mask, carbon/polymer composite, adsorbent sheet and functional food|
[solving means] a porous carbon material of the present invention uses peat as a raw material, and has a total of volumes of fine pores having a diameter of from 1×10−8 m to 2×10−7 m, obtained by non-localized density functional theory method, of 0.5 cm3/g or more, or has a volume of fine pores obtained by bhj method of 0.5 cm3/g or more.. .
|Graphite oxide coated particulate material and uses thereof|
A process for conversion of conventional sand granules (or other particulates) to a ‘core-shell’ adsorbent granules in which go (or go-f) coating imparts nano structural features on the surface of the sand granules (or other particulates). Such materials are useful in a variety of engineering applications such as water purification, catalysis, capacitors, proppants, casting, and magnetic shielding..
|Drinking water purification device|
A fast acting water purification system containing a source of silver ions which is suitable for use in personal or household water containers, where the non-potable water may contain halides or other materials that limit the solubility of silver in the non-potable water, with the purification agent including a source of silver ions and a compound containing a hydantoin ring increase the presence of silver ions in the non-potable water to a level sufficient to quickly kill harmful microorganisms in the non-potable water without the need to add additional biocides to the non-potable water or pretreat the non-potable water.. .
|Aluminized silicious powder and water purification device incorporating same|
A reaction product of silicious material, aluminum metal, and an aqueous solution is disclosed. The reaction product may be used to form a sorbent that is used to purify water of contaminants such as biological matter, dyes, soluble metals, arsenic, or radioactive elements.
|Water purifying device|
A water purification device includes a container, at least a filtration unit, and a trailing cable connected to the container or the filtration unit. The container has therein a chamber and at least a first opening in communication with the chamber.
|Methods and systems for flue gas denitrification|
A process for nitrification, in the heterogeneous phase, of the flue gases produced by a combustion furnace (1), in particular a furnace for incinerating waste or sludge from a municipal water or industrial water purification plant, according to which the fuel is introduced into a fluidized bed (b) or onto a grate, and combustion air (2) is injected into the furnace; a reducing agent (6) is injected into the fuel and/or into the combustion air, upstream of the combustion chamber (h), and is mixed homogenously with the fuel and/or the combustion air, in order to carry out a reducing treatment promoted by the bed (3) of ash or of solids present in the furnace.. .
A method for monitoring the effectiveness of an ion exchange module in an ultrapure water purification circuit containing ultrapurified water and having a purified water inlet and a point of use outlet and a memory, the method including the steps of measuring the resistivity of ultrapurified water using one or more sensors to provide an ultrapurified benchmark resistivity value ri; introducing purified water into the circuit and passing the water through the ion exchange module; measuring the resistivity of the water to provide a new water resistivity value rnew; and comparing ri and rnew to determine the effectiveness of the ion exchange module.. .
|High pressure liquid degassing membrane contactors and methods of manufacturing and use|
In accordance with at least selected embodiments of the present invention, an improved liquid degassing membrane contactor or module includes a high pressure housing and at least one degassing cartridge therein. It may be preferred that the high pressure housing is a standard, asme certified, reverse osmosis (ro) or water purification pressure housing or vessel (made of, for example, polypropylene, polycarbonate, stainless steel, corrosion resistant filament wound fiberglass reinforced epoxy tubing, with pressure ratings of, for example, 150, 250, 300, 400, or 600 psi, and with, for example 4 or 6 ports, and an end cap at each end) and that the degassing cartridge is a self-contained, hollow-fiber membrane cartridge adapted to fit in the ro high pressure housing..
|Composite adsorbent material|
The invention relates to composite adsorbent materials, and in particular, to highly porous carbon-based composite materials for the adsorption and stabilisation of inorganic substances. The composite adsorbent material comprises a porous carbon carrier matrix and an adsorbent species, wherein the adsorbent species is precipitated within the pores of the carrier matrix.
|Water purification using energy from a steam-hydrocarbon reforming process|
A process 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..
|Full contact uv water purification system|
A water treatment system having modular-filter based residential reverse osmosis (ro) system that passes a stream of purified water through an ultraviolet light (uv) filter twice to ensure the water is sterile, while using only one uv filter, thereby forcing the water through a uv filter twice in a modular-filter based ro system. The water treatment system also includes a system whereby water passes through the uv filter at both points using only one uv filter by employing a system whereby a purified water stream is passed through a single remineralization module twice.
|Device for purification of sanitary waste water|
A device for the purification of organically polluted wastewater, including at least one biofilter for the wastewater purification, which biofilter includes a bioactive bed with a first layer of coconut mesocarp pieces, the device further including a water supply for supplying waste water to be purified to an upper part of the biofilter at a position above the first layer and a water collector for collecting purified water from a lower part of the biofilter at a position below the first layer. The mesocarp pieces of the first layer have a mean particle size of at least 1 cm, in that the first layer is compacted to have a density of between 75 and 275 kg/m3..
|Water purification system|
Purification of water is obtained by pumping water through a multi-stage filtration unit or a series of filters having increasingly smaller dimensional passages and then irradiating the water using uv light delivered at over 16,000 microwatts/cm2/sec. The system is advantageously portable for use in diverse environments and operable using a variety of power sources from solar to conventional fuels or electricity..
|Axial flow filter block for water purification|
A gravity-fed, axial flow filtration system for treating water is disclosed.. .
|Polymer filtration membranes containing mesoporous additives and methods of making the same|
Polymer composite membranes containing mesoporous particles which function in part as reinforcing agents, modifiers of polymer surface polarity, and membrane structure modifiers are provided. The composites provide superior resistance to internal damage and pore compaction, increased permeability to water with retention of separation fidelity, and resistance to chemical degradation and mechanical wear, along with minimal shedding of the reinforcing particles under applied pressure.
|Pre-filter water cleaner|
A pre-filter apparatus adaptable to increase life of a water purification unit comprises a water holding unit having a top cap and a bottom cap, a connector positioned at one-third length of the water holding unit, a water inlet unit located on the connector, a water outlet unit located on the top cap and a sediment drain positioned on a lower portion of the water holding unit. The sediment drain is capable of collecting sediments from water.
|Grafted membranes and substrates having surfaces with switchable superoleophilicity and superoleophobicity and applications thereof|
Disclosed herein are surface-modified membranes and other surface-modified substrates exhibiting switchable oleophobicity and oleophilicity in aqueous media. These membranes and substrates may be used for variety of applications, including controllable oil/water separation processes, oil spill cleanup, and oil/water purification.
|Apparatus, system and process for wastewater purification|
An apparatus, system, and process for wastewater treatment. The apparatus can include a basin for receiving a liquid to be treated, the liquid having a direction of flow, and a plurality of pendant sheets for supporting the growth of microorganisms, disposed within the basin and in contact with the liquid, wherein the pendant sheets are oriented parallel to the direction of flow of the liquid..
|Low-energy system for collecting matter|
A system for collecting matter provides a low energy, low cost and nearly zero pollutant process for extracting suspended matter in a medium. The system collects the matter on a material which is deployed into the medium, and the matter is extracted off the material.
|Method for calculating bill for use of water purification system and water purification system|
To provide a billing method for use of a water purification system that gives incentives for using the water purification system. Such a water purification system is equipped with water purification apparatus having controller and with monitoring server connected to water purification apparatus via public network and having controller.
|Apparatus for the use of nanoparticles in removing chemicals from aqueous solutions with subsequent water purification|
An apparatus for removing target chemicals from water includes a reaction chamber, a source of an aqueous solution of the target chemicals that can be supplied on demand to the reaction chamber, a timer that times a reaction between the particles and the target chemicals such that a concentration of the target chemicals in the aqueous solution reaches a predetermined low level in a desired time, and elements for removing the aqueous phase from the reactor while keeping the particles entrained inside the reactor using a microfilter configured to be back flushed, adding aqueous solution to the reactor from the source and continuing cycles until the particles are saturated, removing and replacing the particles in a final cycle of a particle charge lifetime, and recovering the target chemicals from the particles such that the particles can be reused.. .
|High flux hollow fiber ultrafiltration membranes and process for the preparation thereof|
The present invention relates to the production of high flux hollow fiber ultrafiltration membrane prepared from poly(acrylonitrile-co-methacrylic acid), (polysulfone and poly(acrylonitrile-co-methacrylic acid)) and (polysulfone and ion exchange resin (sulfonated polystyrene-divinyl benzene copolymer)) blend and the point-of-use filtration unit there from for water purification and disinfection. The produced membrane has an active layer with pore size which effectively rejects pathogens and other bacteria from contaminated water while allowing the passage of water to produce biologically pure water for drinking.
|Water purification compositions and applications for same|
Disclosed herein are compositions and corresponding methods for treating contaminated water and/or contaminable surfaces in order to kill, or otherwise reduce to non-harmful levels the survival of, biological contaminants resident therein and thereon, respectively.. .
|Membrane for water purification|
A porous membrane can include a polyazole.. .
|Purifier comprising a solids separation device, and method for wastewater purification|
The invention relates to a purifier (100) for the purification of a fluid such as wastewater, the purifier comprising:—a reaction vessel (10) for a fluid, the reaction vessel having a reaction chamber (11) and a bottom (12);—a downer (14) having a top end (91) and a bottom end (92), wherein the top end of the downer is connected to a fluid collector (13) to collect fluid from the reaction vessel (10), and the downer is arranged to transport the fluid towards the bottom (12) of the reaction vessel;—a solids separation device (20) arranged to separate solids from liquid, the solids separation device comprising a fluid inlet (72) arranged to introduce fluid into the solids separation device and a liquid discharge (56) arranged to remove separated liquid from the solids separation device; wherein the fluid inlet of the solids separation device (20) is connected to the bottom end (92) of the downer and the solids separation device is located on or near the bottom (12) of the reaction vessel.. .
|Methods of improving chitosan for water purification|
Methods for preparing a chitosan-based material for use in a halogen water treatment system are described. Treating chitosan or chitin with a compound selected from the group consisting of an acid, a base, a mild halogenating solution and combinations thereof provides a chitosan-based material that displays reduced leakage of halide ion.
|Functional chitosan scaffold with surface charge tunability as filtering medium|
The present invention discloses a method of preparing a functional chitosan scaffold and said functional chitosan scaffold for use as a filtering medium. Said method involves freeze-drying chitosan in the presence of appropriate cross-linkers and additives.
|Water purification system|
A water purification system disinfects incoming water by filtering the water before creating ozone from the water and directly into the water. After the water is disinfected by exposure to ozone, excess ozone is removed prior to providing the disinfected water to an end user.
|Water purification cartridge|
It is an object of the present invention to provide a water purification cartridge which can be manufactured in fewer steps and is provided with a raw water inlet composed of a mesh member having excellent durability. The present invention provides a water purification cartridge arranged between a raw water storage section and a purified water storage section of a water purifier and provided with a raw water inlet for taking raw water placed in the raw water storage section into the inside of the water purification cartridge to purify the raw water taken in from the raw water inlet by a filtering material, the water purification cartridge including a planar section above a water purification section in which the filtering material is arranged, wherein the raw water inlet is formed on the planar section with a planar mesh member..
|Water container having germicidal water purification unit|
A water container having a germicidal water purification unit. Water stored in a reservoir passes through a conduit that extends through an array of light sources that operate in at least one of the visible light frequency range and the ultraviolet frequency range to purify the water.