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Nrgtek Inc patents


Recent patent applications related to Nrgtek Inc. Nrgtek Inc is listed as an Agent/Assignee. Note: Nrgtek Inc may have other listings under different names/spellings. We're not affiliated with Nrgtek Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "N" | Nrgtek Inc-related inventors


Combined electrical and thermal renewable/conventional energy storage and on-demand hydro-osmotic power generation methods and systems

In one embodiment, a renewable energy generation and storage system and method is provided for storing both electrical and thermal energy that includes a forward osmosis system for drawing water across a membrane such that the water drawn across the membrane is used to dilute an osmotic ionic draw solution and the diluted osmotic ionic draw solution is used to drive a hydro-turbine; an fo-eed separation system for separating the drawn water from the ionic draw solution using renewable electrical energy and an osmotic polymer introduced in the fo-eed system during use, so that the ionic draw solution is re-concentrated by using electrical energy, such that the water from the ionic solution combines with the concentrated osmotic polymer; a coalescer configured to receive compressed co2 to separate the water from the polymer by having the polymer absorb the compressed co2 during use; and using thermal energy for separating the co2 from the polymer, thereby regenerating a concentrated polymer solution.. . ... Nrgtek Inc

Renewable energy storage methods and systems

In one embodiment, a renewable energy storage system includes a forward osmosis system, a hydro-turbine, and a separation (e.g., cedi) system powered by one or more natural regenerating energy sources, such as wind or solar. In another embodiment, a renewable energy storage system includes a forward osmosis system, a hydro-turbine, a solar thermal heat exchanger through which the diluted osmotic draw solution can be directed for purposes of heating up the draw solution, and a solvent-water separator configured to separate the draw solution from the water. ... Nrgtek Inc

Method of using new solvents for forward osmosis

A method is provided for using forward osmosis to remove impurities dissolved in an aqueous-based feed solution, where the method includes directing a solvent past a first side of a forward osmosis membrane and the feed solution is directed past a second side of the forward osmosis membrane, the solvent having a higher osmotic pressure than the feed solution so as to draw water across the membrane thereby diluting the solvent and concentrating the impurities in the feed solution, where the solvent is an amine-terminated branched peg, such as amine-terminated glycerol ethoxylate, amine-terminated trimethylolpropane ethoxylate, or amine-terminated pentaerithritol ethoxylate, for example. The method further includes regenerating the solvent by exposing the diluted solvent to a gas containing co2, whereby the co2 is absorbed by the solvent, facilitating substantial separation of the solvent from water.. ... Nrgtek Inc

Power generation from low-temperature heat by hydro-osmotic processes

A system and method for generating power from waste heat, the system including (1) a forward osmosis module having an fo membrane a water inlet, a water outlet, a draw solution solute inlet and a diluted draw solution outlet; (2) a hydro-turbine using the diluted draw solution for generating power; (3) a co2 absorption reactor to permit the introduction of compressed co2 into the diluted draw solution to cause substantial separation of draw solution solute from the water, which water can be processed for subsequent recycling to the fo module, the co2 absorption reactor configured to discharge a mixture of separate draw solution solute and absorbed co2; and (4) a heat exchanger for transferring waste heat from an incoming heated fluid to the mixture of draw solution solute and co2.. . ... Nrgtek Inc

Moisture removal from wet gases

Methods of reducing the water content of a wet gas are presented. In one case, the method includes exposing the gas to an amine-terminated branched polymer solvent to remove a substantial portion of the water from the wet gas, exposing the diluted solvent to carbon dioxide to phase separate the solvent from the water, and regenerating the solvent for reuse by desorbing the carbon dioxide by the application of heat. ... Nrgtek Inc

Hybrid fo-eed system for high salinity water treatment

A system for treatment of a brine feed, the system including a hybrid reactor, the reactor having a plurality of forward osmosis membranes configured to permit the passage of a draw solution solute through the middle of the membrane to draw water across the membrane wall from the brine feed so as to generate diluted solute, and a plurality of membrane electrode assemblies configured to separate ions of the salt in the brine feed to concentrate the salt ions, each membrane electrode assembly having an anion exchange membrane and a cation exchange membrane; whereby each membrane electrode assembly houses a plurality of forward osmosis membranes therewithin.. . ... Nrgtek Inc

Hybrid systems and methods with forward osmosis and electrodeionization using high-conductivity membranes

Fluid desalination systems that include an fo reactor and an electrodeionization reactor with improved membranes and solvents, and a method of using such systems, are provided. A fluid having a first salt concentration is directed to the fo reactor, which uses a solute to draw salt away from the fluid across a membrane into the solute, where the electrodeionization reactor is salinized solute fluid and (i) generate substantially desalinated fluid and (ii) regenerate the solute for return to the forward osmosis reactor. ... Nrgtek Inc








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