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Water Purification

Water Purification-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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NEW Dual layer-coated membranes for gas separations
Uop Llc
February 15, 2018 - N°20180043298

The invention discloses dual layer-coated membranes and methods for making and using these membranes. The dual layer-coated membranes have a relatively porous and substantial void-containing selective asymmetric membrane support, a first coating layer comprising a hydrogel, and a second coating layer comprising a hydrophobic fluoropolymer. The membrane support has low selectivity and high permeance. The dual layer coating improves the ...
Super-large scale photon capture bioreactor for water purification and operation method therefor
Photon Eco-capture Pty Ltd
February 08, 2018 - N°20180037482

A super-large scale photon capture bioreactor for water purification and aquaculture, includes a sealable three-dimensional room. Circuitous water ditches (2) at each layer inside the room. The water ditches (2) within a layer includes an inlet (12) and an outlet (13). A plurality of filter units (4) are at intervals in water ditches (2) at each layer. Float-planted plants (5) are on water surface of each filter ...
Chlorine resistant polyelectrolyte multilayer membranes for desalination
Commonwealth Scientific And Industrial Research Organisation
February 08, 2018 - N°20180036687

The present invention relates to chlorine resistant polyelectrolyte multilayer membranes which can be used as reverse osmosis, forward osmosis or nanofiltration membranes for applications such as desalination and water purification and methods of making membranes of this type.
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Primary filter and storage system
February 01, 2018 - N°20180029912

Disclosed is a primary filter and storage system comprising a power source, a water pump, a filter device, an ultraviolet sterilization device, a water storage device and a control circuit, wherein an inlet of the filter device is connected with a water source, and an outlet of the filter device is connected with the ultraviolet sterilization device; an outlet of ...
Personal water filter device
Izit D.o.o.
February 01, 2018 - N°20180029898

A simple to operate personal water purification device using membrane type filtration with almost constant pressure exerted to the membrane filter during the operation. The water inlet is connected to the high pressure chamber via a non-return valve. The water from the chamber is injected via the piston into the already pressurized circuit which maintenance filter working pressure. A pressurized ...
Connecting mechanism for a water purification cartridge
Merck Patent Gmbh
January 25, 2018 - N°20180021730

A connecting mechanism (1) for a cartridge-type replaceable module (2) that has at least one fluid port (2a, 2b) at each of opposite sides of the module (2) in a longitudinal direction of the module (2). The connecting mechanism (1) comprises two connector elements (3) spaced apart in the longitudinal direction of the module (2) and each provided with at least one fluid connector (3b) configured to ...
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Submerged hyperfiltration system
Dow Global Technologies Llc
January 04, 2018 - N°20180001263

A submerged water purification system including a plurality of spiral wound hyperfiltration membrane modules each connected in a parallel flow arrangement to a common feed manifold and a common permeate manifold; wherein each module includes at least one feed spacer sheet and one membrane envelop wound about a permeate collection tube having a plurality of openings along its length that ...
Device and method for water filtration using recycled medical filters
Nufiltration Ltd.
December 28, 2017 - N°20170369336

A water filtration system uses previously used medical filters, such as dialysis filters, for water purification. After medical use the filters are cleaned and sterilized and mounted singly or in groups so as to receive input water under pressure. The system produces sterile filtered water.
Dialysis water purification system
December 28, 2017 - N°20170368505

The invention comprises a control system for monitoring and operating an existing supply water pre-treatment system for supplying de-chlorinated water to dialysis purification systems. The invention includes a controller and an operator interface for programming and interacting with said control systems. The invention further includes an injection assembly having a flow turbine sensor, a reducing agent injector, and an orp/...
Water purification valve mechanism and system thereof
Xiamen Runner Industrial Corporation
December 21, 2017 - N°20170362099

A water purification valve mechanism includes a body provided with a static valve plate having therein a first passage, a second passage, a third passage, a fourth closed passage, a fifth passage, a sixth closed passage and a seventh passage respectively and radially defined through a surface of the static valve plate and a dynamic valve plate rotatably provided on ...
Energy efficient water purification and desalination
Sylvan Source, Inc.
December 21, 2017 - N°20170362094

A desalination system that can comprise an inlet, an optional preheating stage, multiple evaporation chambers and optional demisters, product condensers, a waste outlet, one or more product outlets, a nested configuration that facilitates heat transfer and recovery and a control system. The control system can permit operation of the purification system continuously with minimal user intervention or cleaning. The desalination ...
Silica sol
Akzo Nobel Chemicals International B.v.
December 14, 2017 - N°20170355606

The present invention relates to a silica sol having a ph above about 10, molar ratio of si02:m20, in which m is alkali metal, of from about 6:1 to about 16:1, concentration of soluble silica above about 3000 mg si02/l, and s-value of from about 18 to about 40%. The invention further relates to a process for producing a silica sol which comprises acidifying ...
Apparatus, method and system for desalinating water
December 07, 2017 - N°20170349455

An apparatus, system and method to purify water is disclosed. In addition, the apparatus, system and method can effectively discharge the brine effluent. The apparatus can comprise an offshore structure, wherein the offshore structure comprises a water intake device connected to a pre-desalination filters connected to a plurality of reverse osmosis filters in communication with a purified water line and ...
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Device for the purification of water using a heat pump
Labstrong Corp.
December 07, 2017 - N°20170349451

Disclosed herein are devices for the purification of water that use a heat pump. The purification system comprises a heat pump and the heat pump comprises a refrigerant condenser, a refrigerant evaporator, a compressor, and a throttle valve that are fluidly connected with a circulating refrigerant along a refrigerant line. The circulating refrigerant transfers heat to a contaminated feedstock at ...
Water purification system with spring agitator vibration
Ds Services Of America, Inc.
November 23, 2017 - N°20170334745

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 ...
Water purification system with sound wave generator agitator
Ds Services Of America, Inc.
November 23, 2017 - N°20170334744

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 ...
Water purification system with active vibration
Ds Services Of America, Inc.
November 23, 2017 - N°20170334743

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 ...
Moringa oleifera augmented filter media
Everwaters Llc
November 23, 2017 - N°20170334742

The present disclosure describes an augmented medium for water purification including a medium that is treated with moringa oleifera coagulant protein (mocp), as well as uses and methods of making the same. The present disclosure also describes water filters including such augmented medium, as well as methods of purifying water by using such filters.
Selective adsorbent fabric for water purification
Chemica Technologies, Inc.
November 23, 2017 - N°20170334741

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.
Ultrapure water production apparatus and ultrapure water production method
Kurita Water Industries Ltd.
November 16, 2017 - N°20170327396

The present invention provides an apparatus and method for producing ultrapure water of extremely high purity that sufficiently meets the requirement for its quality at low production cost with reduced footprint. The apparatus for producing ultrapure water includes a pretreatment system, a primary water purification system, and a subsystem, wherein the primary water purification system includes a high-pressure reverse osmotic ...
Grafted membranes and substrates having surfaces with switchable superoleophilicity and superoleophobicity and applications thereof
King Abdullah University Of Science And Technology
November 16, 2017 - N°20170326504

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. Also provided are the making and processing of such surface-modified membranes and other surface-modified substrates.
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