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Water Purification patents


This page is updated frequently with new Water Purification-related patent applications.

Date/App# patent app List of recent Water Purification-related patents
 Antimicrobial quaternary ammonium organosilane coatings patent thumbnailAntimicrobial quaternary ammonium organosilane coatings
The present invention provides novel solid phase carriers coated with a quaternary ammonium organosilane coating for use in reducing or eliminating the viable number of microorganisms in a liquid. The invention is useful in a wide variety applications, such as water purification and reduction of harmful microorganisms in liquid foodstuffs..
Northern Filter Media, Inc.

 Method and device for reminding user about smart water purifier patent thumbnailMethod and device for reminding user about smart water purifier
A method for reminding a user about a water purifier includes receiving total dissolved solids (tds) data reported by the water purifier, updating accumulative tds data corresponding to the water purifier according to the received tds data, calculating a cleaning period of the water purifier according to the accumulative tds data and a preset maximum cleaning period, and sending a reminder message to a terminal associated with the water purifier to remind the user to clean the water purifier if the cleaning period satisfies a preset condition. The received tds data is detected after the water purifier performs water purification and the accumulative tds data reflects an accumulation of total tds data of the water purifier since a latest cleaning..
Xiaomi Inc.

 Microbiological and environmental control in poultry processing patent thumbnailMicrobiological and environmental control in poultry processing
Poultry carcasses are contacted with water treated with one or more specified dihalodialkylhydantoin biocides in a processing operation downstream from a scalding tank. The aqueous effluent from that downstream operation or from any location further downstream is recycled to the scalding tank.
Albemarle Corporation

 Apparatus and  purifying water patent thumbnailApparatus and purifying water
It is an object of the present invention to provide a water purification apparatus and a method thereof utilizing an elongated closed water channel, and having increased purification efficiency and facilitated maintenance. The filtration apparatus 1a is provided with: a plurality of tube bodies arranged in parallel with their longitudinal directions directed in the vertical directions; and communication parts adapted to connect adjacent pairs of the tube bodies, thereby forming a water channel.

 Heat utilization in orc systems patent thumbnailHeat utilization in orc systems
Apparatus, systems and methods are provided for the improved use of waste heat recovery systems which utilize the organic rankine cycle (orc) to generate mechanical and/or electric power from heat sources generating power from byproducts of water purification process(es). Waste heat energy obtained from heat source(s) is provided to one or more orc system(s) which may be operatively coupled to electric generator(s).
Electratherm, Inc.

 Nanoporous thin film and  fabricating the same patent thumbnailNanoporous thin film and fabricating the same
The present invention relates to a nanoporous thin film and a method for fabricating the same. The nanoporous thin film fabricating method for fabricating a nanoporous thin film with a composite photocatalyst structure for a photodegradation and a water purification includes providing a porous substrate with a plurality of through-nanopores therein, each of which through-nanopores have an inner tube wall; forming an oxide-based photocatalyst layer over the porous substrate and the inner tube wall by using a first chemical-based deposition process; and forming a metal-based photocatalyst layer on a part of the oxide-based photocatalyst layer by using a second chemical-based deposition process..
National Tsing Hua University

 Water purification device patent thumbnailWater purification device
A water purification device includes a housing including a first chamber in communication with a second chamber, a first filtration stage, and a second filtration stage. The first chamber has the first filtration stage and the second filtration stage.
Procleanse Llc

 Surface-treated calcium carbonate and phyllosilicate and its use in water purification patent thumbnailSurface-treated calcium carbonate and phyllosilicate and its use in water purification
The invention relates to a process for the purification of water and/or dewatering of sludges and/or sediments, to the use of a combination of a phyllosilicate and a surface-treated calcium carbonate for water purification and/or dewatering of sludges and/or sediments, as well as to the use of a combination of a phyllosilicate and 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 at least one surface-treated calcium carbonate, at least one phyllosilicate and impurities originated from different sources obtainable by said process.. .
Omya International Ag

 Reverse osmosis water purification method and system thereof patent thumbnailReverse osmosis water purification method and system thereof
A ro water purification system includes a ro pressure pump, a motor and a microprocessor control unit and a method thereof includes: providing the motor in the ro pressure pump; utilizing the microprocessor control unit to control the motor and to measure at least one motor operation data; utilizing the motor operation data to calculate inflow water pressure data and outflow water pressure data; utilizing the inflow water pressure data and outflow water pressure data to adjust the operation of the motor for enhancing the efficiency of systematic operation.. .
Genese Intelligent Technology Co., Ltd.

 Control  blood or fluid handling medical devices patent thumbnailControl blood or fluid handling medical devices
A processor of a medical device configured to communicate with a remote server can be programmed to protect the medical device from exposure to unauthorized or malicious software. A system or method to implement this form of protection can include, for example, at least one processor on the medical device, a control software module that controls the operation of the medical device and is executable on the processor, a data management module that manages data flow to and from the control software module from sources external to the medical device, and an agent module that has access to a limited number of designated memory locations in the medical device.
Deka Products Limited Partnership


Porous membrane and water purifier

The present invention addresses the problem of providing a porous membrane for a water purification purpose, which can be used even under high water pressures and which has both virus-removing performance and water permeability. The problem can be solved as follows: a porous membrane is provided, wherein the average pore shorter-axis diameter in one surface is smaller than that in the other surface, and in a cross section of the membrane in the thickness direction, the pore diameters increase from one surface toward the other surface to have at least one maximum value and then decrease.
Toray Industries, Inc.


Water purification apparatus

In a water purification apparatus, a light source irradiates the water, passing through the flow passage, with ultraviolet light. The light source has a light emitting diode that emits the ultraviolet light whose wavelength is contained in a bandwidth of 220 nm or above to less than 300 nm, and the optical output in this wavelength bandwidth is in a range of 1 w to 50 w.
Nikkiso Co., Ltd.


Method of water purification

The present invention relates to a water-purifying composite material, especially a water-purifying composite material for use in the photocatalytic destruction of pollutants in water. The water-purifying composite materials of the invention are uniquely formed by growing crystals of photocatalytic metal compounds in situ within interlayer regions or pores within an aluminosilcate mineral structure, to thereby provide highly catalytic species for use in oxidative photocatalytic water treatments..
University Of Central Lancashire


Recovery of retrograde soluble solute for forward osmosis water treatment

Improved systems and processes for forward osmosis water purification or desalination are herein disclosed. According to one embodiment a process for purifying contaminated water is provided wherein a contaminated feed solution stream comprising water and with a first osmotic pressure is passed through a semipermeable membrane to a draw side having a draw solution stream with a second osmotic pressure on a draw side of the semipermeable membrane.
Trevi Systems Inc.


High performance membranes for water reclamation using polymeric and nanomaterials

A water permeable membrane for water purifications applications including filtration, ultrafiltration, nanofiltration and reverse osmosis is provided. The water permeable membrane includes a porous support and a composite layer disposed over the porous support.
University Of Southern California


Advancements in osmotically driven membrane systems including low pressure control

An example water purification system includes a forward osmosis module, a reverse osmosis module, a pump powered by an electric motor, and a pressure sensor. The forward osmosis module may receive a feed stream and a draw stream, and may produce an intermediate product stream.
Porifera, Inc.


Integrated water testing 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.
Baxter Healthcare S.a.


Water purification and enhancement systems

water purification system comprising filtration media sized with respect to each other to allow a first contaminant in the water to saturate the first medium with a delay prior to saturation of the second medium with a second contaminant.. .
The Water Initiative, Llc,


Mobile, high quality, water treatment systems, apparatus, and methods usable in harsh environments

water purification systems, apparatus, and methods for producing high quality water in harsh environments. Systems of embodiments comprise trailers and reverse osmosis (ro) units and/or multi-media filters (mmfs), and vibration controls.
Omni Water Solutions, Inc.


Integrated water testing 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.
Baxter Healthcare S.a.


Water purification device

A water purification device which can process contaminated water, and upgrade it to a potable quality or other secondary useful purposes such as irrigation, shower or laundry and general water. This is achieved without the use of chemicals or membranes.
Worldwide Piping Products (m) Sdn Bhd


Electrolysis electrode

A water purification anode has a first semiconductor contacting a second semiconductor at a heterojunction. The second semiconductor includes tio2 and excludes bismuth and niobium.
California Institute Of Technology


Water purification system for hard bottom landscape water body

A water purification system for a hard bottom landscape water body is provided, with a bottom of the hard bottom landscape water body paved with hard materials, comprising a filling element layer and a frame body, wherein the frame body is paved on the bottom of the landscape water body; the frame body includes a cover plate with a plurality of through-holes, and a plurality of supporting parts positioned below the cover plate; the filling element layer includes a plurality of filling elements disposed between the plurality of supporting parts positioned below the cover plate, and the filling elements further include structures configured for microorganisms in water to adhere to. In the present application, the filling element layer provides an adhesion medium for the microorganisms in water, and the frame body provides a protection to the filling element layer, which creates an advantageous site for the microorganisms in water..
Dongguan Vanke Building Technique Research Co., Ltd


Advancements in osmotically driven membrane systems including multi-stage purification

An example water purification system for purifying high concentration feed solutions includes a high rejection forward osmosis module, one or more low rejection modules, and a high rejection reverse osmosis module. The low rejection modules may have different rejection levels.
Porifera, Inc.


Apparatus and treating sludge

A sludge treating apparatus includes a drying unit drying water purification sludge of a high moisture content, a burning unit burning the water purification sludge dried in the drying unit, and a transfer unit transferring the water purification sludge from the drying unit into the burning unit, wherein the drying unit includes a hollow drying tank in which the water purification sludge is charged, and which dries the water purification sludge by dry air, an air supply member heating the dry air such that an amount of saturated vapor of the dry air increases, to supply the heated dry air into the drying tank, and a control unit measuring temperature, humidity, and weight of the drying tank to control a temperature and a flow rate of the heated dry air that is supplied from the air supply member into the drying tank.. .
Sac Co., Ltd.


Water purification process with water pretratment

A water purification process for treating water containing at least some organic contaminants, and including the steps of pre-treating the water for capturing organic contaminants from solution in a water stream, by passing the water into a spin up bowl to speed up the water stream, forcing the high speed stream through an annular flow passage located centrally of the spin up bowl, passing the high velocity stream between a magnetic member and a magnetic ring, thereafter passing the water stream into an energy recovery bowl, directing the flow from the flow passage onto a zinc anode member; and thereafter passing the water stream along a grounded pipe, thereby causing the development if fine particles of calcium carbonates, and capturing the organic contaminants. .


Water treatment systems, devices, and methods for fluid preparation

A water purification component, which may be integrated in a medicament production plant and/or a blood treatment system, removes chloramine and other chlorine compounds and deionizes water. The deionization is selected to be effective for providing product water whose resistivity is sufficiently high to allow chloramine to be detected in the product water if the chloramine removal filtration fails.
Nxstage Medical, Inc.


Magnetic nanostructures and device implementing same

A method and apparatus for selective removal of heavy ions, biological, cations, anions or other elements of interest from liquids using magnetic nanoparticles, and recovery of nanoparticles to be reused in the wastewater purification. For certain embodiments, after water treatment and magnetic separation, the loaded nanoparticles may be washed, regenerated, collected and re-introduced in the water treatment cycle.


Fouling inhibitor, filtration membrane and producing same

Provided are: a fouling inhibitor that is capable of effectively inhibiting fouling of porous filtration membranes use as water purification membranes or the like, that has resistance to chemicals, such as alkali used when the membrane is fouled, and that is capable of maintaining such effects sufficiently even after chemical wash; a filtration membrane provided with the inhibitor; and a method for producing the same. The inhibitor contains: (a) a copolymer having a weight average molecular weight of 10000 to 300000 and contains a mpc unit (a1) and a bma unit (a2), wherein the ratio of (a1) to (a2) ((a1)/(a2)) by mole is 10/90 to 70/30; and (b) pva having a saponification degree of 72 to 93 mol % and a polymerization degree of 300 to 1000, wherein the ratio of component (a) to component (b) ((a)/(b)) by mass is 25/75 to 75/25..
Nof Corporation


Aqueous treatment system

The present invention relates generally to a water treatment system that uses an electrostatic field generating plate. Such electrostatic field is then used by an electrostatic water purification process for mass cooling systems to reduce scaling..


Processing and application of a purification system for gold mining, extraction of minerals and growth of algae biomass

The present disclosure describes a process for using saline water, and saline reject water produced in water purification, to use for gold mining production, and growing and harvesting algae. The disclosure also describes a method for growing and harvesting algae utilizing saline water as growth medium for recycling waste water to extract the remaining metals out of waste water.


Method of producing an electrostatic field generator

The present invention relates generally to a method of producing an electrostatic field generating plate. More specifically, the method enables an electrostatic field generating plate to be produced made from pvc for a water purification system wherein the plate generates an electric field..


Portable water purification and storage reservoir apparatuses

In some embodiments, a portable water purification and storage reservoir apparatus may comprise a flexible exterior shell comprising a first chamber configured to hold a volume of water and a second chamber configured to hold a volume of water. The first chamber may be positioned within the flexible exterior shell and may comprise a filling aperture.


Systems and methods of providing micro-renewable electrical energy

Various implementations of a system that addresses the need for clean drinking water, improved solid fuel combustion and convection of the heat resulting from the combustion, exhausting of gases and air-borne particulates resulting from combustion, and provides electricity for lighting and charging of battery-operated devices are described herein. The system may include at least one solar panel, a battery, a fan assisted exhaust hood, a fan assisted cooking device, and a water purification device.


Membranes having antibiotic and hydrophilic properties and preparation method thereof

The present invention relates to a separation membrane having both antibiotic and hydrophilic properties for water treatment and a preparation method thereof. In the separation membrane of the present invention, since an organic compound (antimicrobial and/or hydrophilic compound) is chemically conjugated to non-metal inorganic nanoparticles or metal nanoparticles, the nanoparticles are not eluted from the separation membrane even when the separation membrane is used for water treatment for a long period of time, so that the separation membrane may continuously maintain antimicrobial properties and high water permeability, is safe to the human body even when used for the treatment of drinking water, such as water purification, and exhibits characteristics in which stain resistance is also significantly enhanced due to antimicrobial and hydrophilic properties, which have been continuously imparted.
Lg Electronics Inc.


Reverse osmosis unit having rotatable reverse osmosis membrane housing assembly

A reverse osmosis (“ro”) water purification unit has reverse osmosis membrane housings which are rotatably mounted, and movable between a first operating position in which the membrane housings are substantially vertically oriented, and a second service position in which the membrane housings are substantially horizontally oriented.. .


Ultrapure water producting apparatus

Provided is an ultrapure water producing apparatus equipped with fewer reverse osmosis membrane separation units. The ultrapure water producing apparatus includes a primary water purification system 2 and a subsystem 3 configured to treat water treated by the primary water purification system 2.
Kurita Water Industries Ltd.


Total chlorine water detection 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.
Baxter Healthcare S.a.


Water purification unit

A system is disclosed for facilitating maintenance of water treatment apparatus at multiple locations and which include multiple components designed with an operational life that is greater than an apparatus exchange duration. The system includes tracking the usage of each component and determining an exchange date for an existing apparatus.
Vws (uk) Limited


Gravity flow runoff water purification system

A gravity flow runoff water purification system is provided. The gravity flow runoff water purification system of the present invention includes a debris filter, a grit chamber, and a linear electrolytic reactor.


Impregnated electrode for capacitive deionisation, process for preparing it and apparatus employing the electrodes

Disclosed is an electrode an electrode for capacitive deionization comprising • (i) an adsorbent having specific surface area of 100 m 2/g to 1300 m 2/g; • (ii) conductive carbon black; and • (iii) a binder; wherein said adsorbent is impregnated with a substance having conductivity in the range of 105 s/m to 107 s/m and standard hydrogen potential in the range of −0.3 v to −1.3 v. The electrode provides enhanced recovery and greater reduction in total solids and is more energy efficient.
Conopco, Inc., D/b/a Unilever


Water treatment system

A water purification system is disclosed. An example of the water purification system includes a transportable water machine to generate purified water.
Purewater Therapeutics, Llc


Lyotropic liquid crystal templated hydrogels for use as forward osmosis draw agents

Lyotropic liquid crystal-templated compositions that include hydrogels comprising a cross-linked mixture of a stimuli-responsive agent and a super absorbent agent are presented. The compositions are amenable for methods directed to processing and absorbing fluids, including water purification and fluid concentration..


Inoculant for water treatment device

The invention provides inoculants for the generation of a biologically active layer in a water treatment or purification device. In some embodiments, the invention provides inoculants for a biologically active zone in a wastewater treatment system or device, for example in municipal wastewater and sewage treatment.


Reverse osmosis system for supplying purified water

A water purification system includes a first reverse osmosis device, and a water storage tank including a tank inlet and a tank outlet, the tank inlet configured to receive a permeate of the first reverse osmosis device. The system also includes a second reverse osmosis device including an inlet that is connected to the tank outlet and an outlet that releases a permeate of the second reverse osmosis device.


Desalinization apparatus

There is disclosed a water purification apparatus and method, related to desalinization. In an embodiment, a water purification apparatus and method includes at least one port for receiving airflow therethrough, at least one port for receiving salt water therethrough, at least one output for providing outflow of pure water vapor, and at least one output for proving outflow of a mixture of water, salt and air; and a plurality of chambers for evaporating the salt water into the airflow, at least one of the chambers forming a plurality of ports arranged in a plurality of rows.


Process for the preparation of an additive comprising supported and dispersed tio2 particles

Process for the preparation of an additive comprising tio2 particles dispersed on a support of pseudo-layered phyllosilicate-type, comprising the dispersion in water of the support, the acid activation of the support and the high-shear dispersion of the support with the tio2 particles use of the particles obtained by this process as additives with photocatalytic activity for water purification and disinfection, for purification of polluted gas streams and to provide materials, in particular construction materials, with self-cleaning, biocide, deodorization and/or pollution reduction properties in the presence of air and ultraviolet light.. .


Method and composition for water purification and sludge dewatering

The invention relates to a method for purifying water and for dewatering sludge, comprising the following steps: bringing a surface-treated natural calcium carbonate, a natural bentonite and an anionic polymer into contact with the water or sludge, flakes being formed as a result of the agglomeration of particulate materials contained in said water or sludge, and separating said formed flakes so as to obtain purified water, or separating water in order to obtain dewatered sludge. The surface-treated natural calcium carbonate is a product of a reaction of natural calcium carbonate with an acid and carbon dioxide, which is formed in situ by the acid treatment and/or is fed from outside, and is produced as an aqueous suspension with a ph greater than 6.0 measured at 20° c.
Clariant International Ltd.


Solar-biomass complementary thermal energy supply system

A thermal energy supply system, including: a solar concentrating device, a solar storage tank including a first heat exchanger and a second heat exchanger, a biomass power station including a biomass boiler, a central refrigeration and ice maker, and a central hot water supply tank. The solar concentrating device is connected to the solar storage tank.
Zhongying Changjiang International New Energy Investment Co., Ltd.


Metal-supported anion exchange resins and remediating toxic anions using the same

Provided are a method of removing a perchlorate ion (clo4−) and a nitrate ion (no3−) which are toxic anions in wastewater using an anion-exchange resin on which a metal is supported, and more particularly an anion-exchange resin on which a hydrogen activating metal is supported or a hydrogen activating metal and a secondary metal are supported together and a method of removing toxic anions using the same. The toxic anions may be efficiently ion-exchanged and removed using an anion-exchange resin supporting a reduction catalyst, the regeneration of the anion-exchange resin may be facilitated, and the consumption of energy and the reducing agent may be reduced, thereby being usable in removal of toxic anions from an actual water purification system..
Korea Advanced Institute Of Science And Technology


Layer-by-layer assembly of graphene oxide membranes via electrostatic interaction and eludication of water and solute transport mechanisms

A method for synthesizing a water purification membrane is presented. The method includes stacking a plurality of graphene oxide (go) nanosheets to create the water purification membrane, the stacking involving layer-by-layer assembly of the plurality of go nanosheets and forming a plurality of nanochannels between the plurality of go nanosheets for allowing the flow of a fluid and for rejecting the flow of contaminants.
University Of Maryland


Soil ball for water purification with increased hardness and microbial population

The present invention provides a soil ball for water purification with increased hardness and microbial population. According to the soil ball for water purification with increased hardness and microbial population of the present invention, the addition of a hardener increases the hardness such that the degradation of the soil ball in water is delayed, and the addition of a buffer solution prevents an increase in ph to increase the microbial population, thus improving the effect of water purification..
Kyungpook National University Industry-academic Cooperation Foundation


Compositions and processes for mesoporous silicas having large pores with narrow diameter distributions

A process for preparing a mesoporous silica comprising contacting as starting components (1) a structure-directing template selected from the group consisting of hydrogenated and non-hydrogenated natural vegetable oils, silicone oils, and combinations thereof; (2) water; (3) silica; and, optionally, (4) a structure-directing co-template selected from tetramethylammonium hydroxide, tetraethylammonium hydroxide, tetrapropylammonium hydroxide, cetyltrimethylammonium bromide (ctab), hexadecyltrimethylammonium chloride; hexadecyltrimethylammonium hydroxide hydrate, hexadecyltrimethylammonium p-toluenesulfonate, hexadecyltrimethylammonium bis-sulfonate, poloxamers having a weight average molecular weight ranging from 5,000 to 20,000 daltons (da), and combinations thereof; in the substantial absence of an alcohol solvent; under conditions such that a mesoporous silica having an average pore diameter ranging from 50 to 175 angstroms and a pore diameter distribution that, within one standard deviation of its mean, is substantially unimodal, is formed. The product composition may offer preferred use in, for example, gas separations, sensing, water purification, heavy metal removal, and electronics, where its narrower pore diameter distribution increases its selectivity..
Dow Global Technologies Llc


Reverse osmosis system with drain water recycle

A water purification system for producing potable water includes a pump to force water from a source tank through one or more filters and a high-pressure pump for pumping filtered water into a reverse osmosis membrane, thereby producing potable water. Drain water from the reverse osmosis membrane is pressurized by a recirculation pump and fed back into the reverse osmosis membrane, thereby reducing power consumption and waste of water.


Porous separation article

The invention relates to a porous separation article having a fluoropolymer or polyamide binder interconnecting one or more types of interactive powdery materials or fibers. The interconnectivity is such that the binder connects the powdery materials or fibers in discrete spots rather than as a complete coating, allowing the materials or fibers to be in direct contact with, and interact with a fluid.
Arkema Inc.


Electrically conducting reverse osmosis membranes

The disclosure provides composite membranes for use in water purification and filtration.. .
The Regents Of The University Of California


Process for reducing the production of sludge by municipal or industrial wastewater purification plants, and equipment for the implementation thereof

A process for reducing the production of sludge by municipal or industrial wastewater purification plants, comprising a step of mesophilic or thermophilic anaerobic digestion (20), or anaerobic digestion combining these two operating modes, of a stream of sludge to be treated (1), and at least one biological solubilization anaerobic treatment step (30); the process comprises, upstream of the anaerobic digestion step, a step of dehydration (10) of the sludge to be treated, followed by a step of mixing (15) the dehydrated sludge with a recirculated fraction of sludge that is more liquid, originating from recycling of the digestion (20), and/or from the anaerobic treatment step (30), and/or centrates originating from a final dehydration (50) of the treated sludge, wherein the recirculation rate is chosen such that the mixture has a dryness suitable for digestion, this mixture then being directed towards the digestion.. .


Water purification by batch crystallization process

A water purifier includes a first crystallization chamber and a second crystallization chamber that each receives a supply of input water; wherein each of the first and second crystallization chambers is a freeze/thaw chamber in which water is alternately frozen and thawed. A refrigerant circuit alternately supplies cold refrigerant to freeze the input water in one of the crystallization chambers, and supplies heated refrigerant to the other of the crystallization chambers to thaw the purified water.
Sharp Kabushiki Kaisha


Water purifier

A pot type water purifier capable of obtaining a mixed liquid including purified water and an additive uniformly mixed in the purified water without the need of stirring in a container such as a cup after pouring out. The pot type water purifier of the present invention includes a body container with internal space and an upper opening; a raw water reservoir provided to an upper part of the internal space; a water purification cartridge communicating with the raw water reservoir; a purified water reservoir formed below the water purification cartridge, the purified water reservoir housing purified water resulting from filtration through the water purification cartridge; a pouring lip for purified water in the purified water reservoir; and stirring means provided to the body container to stir the purified water..
Mitsubishi Rayon Co., Ltd.


Cyclopropenium polymers and methods for making the same

The present invention provides, inter alia, a process for incorporating a cyclopropenium ion into a polymeric system. Processes for making cross-linked polymers, linear polymers, and dendritic polymers, as well as for incorporating a cyclopropenium ion onto a preformed polymer are also provided.
The Trustees Of Columbia University In The City Of New York


Mobile water purification system and method

A mobile water purification system is configured as modules to be air-lifted to a site requiring potable water. Raw water is pumped to a pre-treatment module that separates suspended solids and preferably oxidizes organic contaminants.
Hennesy Mechanical Sales, Llc


Water purification and enhancement systems

water purification system comprising filtration media sized with respect to each other to allow a first contaminant in the water to saturate the first medium with a delay prior to saturation of the second medium with a second contaminant.. .
The Water Initiative, Llc


Water purification system with automatic flush flow

The improved water purification system includes a water purification unit having a tap water inflow port for receiving a tap water inflow from a water supply system to produce relatively purified water and a brine water outflow having impurities concentrated therein. An ro filter having an ro membrane separates relatively unfiltered water flow into purified water and the brine water outflow.


Water purification system with active vibration

The water purification system for flow-coupled installation with a tap water inflow for producing a relatively purified water outflow includes a purification unit having a tap water inlet port for receiving tap water inflow and a purified water outlet port for dispensing purified water outflow from said purification unit. A particulate catalyst retained within the purification unit is in flow through relation relative to said the water inflow and purified water outflow and catalyzes contaminants as the tap water inflow travels through the purification unit.


Aeration device, a use thereof, and water purification installation with such an aeration device

An aerator for aerating water comprises a distribution system for distributing air below the water surface and a compressor with an air inlet and at least one air outlet. The compressor is configured to be placed below the water surface.
Atlas Copco Airpower, Naamloze Vennootschap


Microclarification system and method

A microclarification system is disclosed which can be used to separate solid particulates dispersed within a base fluid such as water. The microclarification system includes a plurality of microfluidic separator units disposed between and in fluid communication with a fluid inlet manifold and a fluid outlet manifold.
General Electric Company


Water purification system using ultraviolet leds

The present invention relates to a portable water purification system by means of uv leds. Provided according to the present invention is a portable water purification system by means of uv leds comprising: a support member; a plurality of leds mounted on the surface of the support member; a solid filter provided with a through-path into which the support member is inserted; and a cover, attached to one end of the solid filter, for sealing the through-path of the solid filter..
Seoul Viosys Co., Ltd.


Method and system for providing purified water

A method of providing at least two outlet purified water streams from a water purification system by providing a first purified water into a first reservoir able to provide an outlet purified water stream. At least a portion of the first purified water is passed from the first reservoir through a water purification process to provide an ultra-purified water stream.
Vws (uk) Ltd


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.. .


Laterally-injected light-emitting diode and laser diode

A p-type superlattice is used to laterally inject holes into an iii-nitride multiple quantum well active layer, enabling efficient light extraction from the active area. Laterally-injected light-emitting diodes and laser diodes can enable brighter, more efficient devices that impact a wide range of wavelengths and applications.
Sandia Corporation


Water purification and water supply system decontamination apparatus

A water sanitizing system including a supply system having a supply conduit with a conduit length; a light-diffusing optical fiber in the conduit that substantially spans the conduit length; and an ultraviolet light source configured to inject ultraviolet light rays into the fiber. The fiber includes: (a) a first end and a second end, the ends defining a fiber length, (b) a core region comprising fused silica having a plurality of scattering sites, and (c) a cladding over the core region, the cladding having an outer photocatalyst region doped with a metal oxide.
Corning Incorporated


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, polydadmac, dadmac-acrylamide copolymers, copolymers thereof and combinations thereof.
Psmg, Llc

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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