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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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Water purification process with water pretreatment
June 15, 2017 - N°20170166470

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 ...
Thermal-energy-driven mechanical compression humidification-dehumidification water purification
King Fahd University Of Petroleum & Minerals
June 01, 2017 - N°20170152156

A carrier gas is directed through a humidification chamber in a humidifier, where the carrier gas flow is directly contacted with a feed liquid to humidify the carrier gas with water evaporated from the feed liquid, producing a humidified gas flow. The humidified gas flow is then compressed in a compressor and then directed through a dehumidification chamber in a ...
Processing scheme and system for gray water purification
King Fahd University Of Petroleum & Minerals
May 25, 2017 - N°20170144892

Processing methods and systems are directed toward water filtration and/or purification techniques and/or energy recovery processes that may be used to generate usable water. Some embodiments can include at least one filtration and/or purification stage that processes water to a level of purity. Some embodiments can include recirculating water streams through a stage or another stage to ...
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Method and system for producing deuterium depleted water
King Fahd University Of Petroleum & Minerals
May 18, 2017 - N°20170137287

The present disclosure provides a system and a method for producing deuterium depleted water. The system includes a chlor-alkali electrolysis cell, a compressor, a cooling water scrubber tower, a hydrogen combustor, a boiler, a cooling condensation apparatus, a crude deuterium depleted water storage tank, a water purification apparatus and a water filling machinery. The method includes: generating hydrogen from a ...
Marine aquarium water purification and salinity control apparatus and method
King Fahd University Of Petroleum & Minerals
May 18, 2017 - N°20170135324

A water salinity control apparatus for a marine aquarium includes a filter section in which the water from a utility water supply is purified and deionized. A reservoir section includes a purified water reservoir for purified water, a salt-mixed water reservoir in which marine water at the setpoint salinity is stored, and a salt concentrate reservoir which contains fully salt-saturated ...
Device with flat membranes for water purification
King Fahd University Of Petroleum And Minerals
May 04, 2017 - N°20170121189

A desalination cell which works with flat membranes for water purification purposes. A feed fluid is stirred on a feed side of the membrane to minimize cake formation. A purified liquid is formed on the permeate side of the membrane, and a reject fluid formed on the feed side of the membrane. When thick ceramic membranes are used, the desalination ...
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In situ formation of biocidal metal nanoparticles on thin-film composite reverse osmosis membranes for biofouling ...
Yale University
May 04, 2017 - N°20170120198

The present invention relates to a method including reacting a solution of a salt of a biocidal metal with an active layer of water purification membrane, discarding the biocidal metal salt solution such that a thin layer of the biocidal metal salt solution remains on the membrane surface, reacting a reducing agent solution with the active layer of the membrane ...
System and method of water purification utilizing an ionomer membrane
Yale University
April 27, 2017 - N°20170113950

A water purification system utilizes an ionomer membrane and mild vacuum to draw water from source water through the membrane. A water source may be salt water or a contaminated water source. The water drawn through the membrane passes across the condenser chamber to a condenser surface where it is condensed into purified water. The condenser surface may be metal ...
Methods and devices comprising solar power for water purification
Yale University
April 27, 2017 - N°20170113948

The invention disclosed herein comprises novel methods and devices for water purification. The invention comprises the use of solar powered water purification units comprising, wherein said units may be portable, and comprise a vapor condensing unit, a water collection unit, a filter, a water inlet, and a vaporization unit. The water purification units comprise components for collecting solar energy, including ...
Unpowered water purification system for a riverfront landscape constructed wetland
Soochow University
April 20, 2017 - N°20170107131

The invention discloses an unpowered water purification system for a riverfront landscape constructed wetland, comprising a riparian wetland constructed along a lake-land ecotone of a river, lake-pond. The riparian wetland comprises a plurality of alternatively arranged wetland islands and watercourses formed between them. The bottom surface of the riparian wetland is lower than the normal water level of the river, ...
Wastewater purification with nanoparticle-treated bed
Baker Hughes Incorporated
April 20, 2017 - N°20170106347

Nanoparticle-treated particle packs, such as sand beds, may effectively filter and purify liquids such as waste water. When tiny contaminant particles in waste water flow through the particle pack, the nanoparticles will capture and hold the tiny contaminant particles within the pack due to the nanoparticles' surface forces, including, but not necessarily limited to van der waals and electrostatic forces. ...
Water purification system
Electrophor, Inc.
April 20, 2017 - N°20170106339

The inventions relate to purifying water and can be used in domestic water purification systems. The claimed filtered water storage unit for the storage device of a water purification system includes a housing, an elastic chamber for filtered water, and a region for pressurizing untreated water. The water purification system includes a reverse osmosis membrane, a clean water discharge pipe, ...
Systems and methods for distillation of water from seawater, brackish water, waste waters, and effluent ...
Global Water Farms Corporation
March 23, 2017 - N°20170081211

The present invention relates to water purification using solar energy. More specifically, systems and methods according to the present invention collect solar energy to heat non-potable water in a super-insulated structure. Compressed heated air is injected to evaporate water vapor out of brackish water, saltwater, or dirty water, thereby creating saturated air. The saturated air is drawn through a cooling ...
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Water distilling and purifying unit and variants thereof
National Chiao Tung University
March 02, 2017 - N°20170057834

A water purification unit includes an evaporator, a heat exchanger, a pump and a liquid-driven condensing ejector. A liquid inlet of the ejector is in fluid communication with an outlet of the pump. A gas inlet of the ejector is in fluid communication with a vapor outlet of the evaporator. An outlet of the ejector is in fluid communication with ...
Polyaniline-based chlorine resistant hydrophilic filtration membranes
The Regents Of The University Of California
February 23, 2017 - N°20170050153

In one aspect, the invention relates to chlorine-resistant filtration membranes comprising n-alkyl substituted polyaniline derivatives for use in, for example, water purification, and methods for making and using same. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
Tio2 nanofiltration membranes prepared by molecular layer deposition for water purification
University Of South Carolina
February 23, 2017 - N°20170050150

Methods are provided for preparing tio2 nanofiltration membranes for water purification are provided. The method can include supplying a titanium precursor gas into a reaction chamber, where the titanium precursor gas reacts with a base support of an anodic aluminum oxide, and the base support of an anodic aluminum oxide has a surface defining a plurality of pores therein. The ...
Water purification filter and system
Brita Lp
February 23, 2017 - N°20170050127

In one example, a filter cartridge includes a housing having a fluid entry port and a fluid exit port, and the housing has a chamber in fluid communication with the fluid entry port and the fluid exit port. A first medium is disposed within the chamber and includes a material that serves to change the ph of a fluid passing ...
Water purification system engineered for legionella control in industrial and commercial water systems
Total Water Treatment Systems, Inc.
February 09, 2017 - N°20170036938

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 sanitizing system
Total Water Treatment Systems, Inc.
February 09, 2017 - N°20170036926

The present invention relates to a portable water purification and sanitizing apparatus and method. Due to the limited size of the apparatus and its ability to utilize dc power, the apparatus can be transported and operated in remote areas across the globe. The apparatus and method generates electrolytic products of chlorine, hydroxide and ozone that are utilized to purify and ...
Water purification system with active vibration
Total Water Treatment Systems, Inc.
February 09, 2017 - N°20170036924

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 ...
System and method of desalinating seawater
Total Water Treatment Systems, Inc.
February 02, 2017 - N°20170028314

Saline water from a body of water is desalinated using a water purification system. Chambers of a plurality of tanks are filled with a volume of saline water. The saline water is heated to increase a pressure and produce water vapor within the chamber of each tank. A condensation valve disposed within a condensing tube is moved to an open ...
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