May 09 2019Solvent extraction is commonly used during chemical engineering "I thought solvent extraction could be a good alternative desalination approach that is radically different from conventional methods because it is membrane-less and not based on evaporative phase-change " says Ngai Yin Yip assistant professor of earth and environmental Directional solvent extraction may be considered a molecular-level desalination approach Directional Solvent Extraction circumvents the need for membranes uses simple inexpensive machinery and by operating at low temperatures offers the potential for using waste heat

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Substantially pure water is produced via desalination using a directional solvent that directionally dissolves water but does not dissolve salt The directional solvent is heated to dissolve water from the salt solution into the directional solvent The remaining highly concentrated salt water is removed and the solution of directional solvent and water is cooled to precipitate substantially

Aug 09 2019Currently the world's 18 000+ desalination plants pump 140 billion liters of brine into terrestrial holding pits or back into the ocean every day Ngai Yin Yip and his team of environmental engineers at Columbia University think their alternative method—" temperature swing solvent extraction " (TSSE)—can fix the problems of leftover

Jun 18 2019"We think TSSE will be transformational for the water industry It can displace the prevailing practice of costly distillation for desalination of high-salinity brines and tackle higher salinities that RO cannot handle " said Ngai Yin Yip who led the study "This will radically improve the sustainability in the treatment of produced water inland desalination concentrate landfill

A Columbia Engineering team led by Ngai Yin Yip assistant professor of earth and environmental engineering reports that they have developed a radically different desalination approach — "temperature swing solvent extraction (TSSE)" — for hypersaline brines

Substantially pure water is produced via desalination using a directional solvent that directionally dissolves water but does not dissolve salt The directional solvent is heated to dissolve water from the salt solution into the directional solvent The remaining highly concentrated salt water is removed and the solution of directional solvent and water is cooled to precipitate substantially

AAEES

Date: May 6 2019 Source: Columbia University School of Engineering and Applied Science Summary: Researchers report that they have developed a radically different desalination approach--''temperature swing solvent extraction (TSSE)''--for hypersaline brines Their study demonstrates that TSSE can desalinate very high-salinity brines up to seven times the concentration of seawater

In the study TSSE removed up to 98 4% of the salt which is comparable to reverse osmosis the gold standard for seawater desalination The findings also demonstrated high water recovery 50% for the hypersaline brines also comparable to current seawater desalination operations But unlike TSSE reverse osmosis cannot handle hypersaline brines

Desalination removal of dissolved salts from seawater and in some cases from brackish waters of inland seas highly mineralized groundwaters and municipal wastewaters The process renders such otherwise unusable waters fit for human consumption irrigation industrial applications and various other purposes

Turning plastic waste into high-quality winter diesel fuel Using a proprietary technique and Clariant's (Muttenz Switzerland ) Hydex Chementator Briefs-Aug 2020 Curing with less Pt Silicone-release coatings generally use a platinum-based A step toward supercritical-carbon-dioxide power generation

environmental importance but are technologically under-served by today's desalination methods In this talk we present a radically different approach for hypersaline desalination termed temperature swing solvent extraction (TSSE) The technology utilizes a low-polarity solvent that is immiscible with aqueous solutions to extract water

May 11 2019Distillation techniques which evaporate the brine are very energy-intensive However there also is a different desalination approach called "temperature swing solvent extraction (TSSE)" that can desalinate very high-salinity brines up to seven times the concentration of seawater

May 13 2019In the study TSSE removed up to 98 4% of the salt which is comparable to reverse osmosis the gold standard for seawater desalination The findings also demonstrated high water recovery 50% for the hypersaline brines also comparable to current seawater desalination operations But unlike TSSE reverse osmosis cannot handle hypersaline brines

May 10 201910th May 2019 Radical new desalination technique may disrupt the water industry Researchers at Columbia University report a new desalination method for hypersaline brines known as temperature swing solvent extraction (TSSE) which is low-cost and efficient

Radical Desalination Approach May Disrupt the Water

Radical Desalination Approach May Disrupt the Water Industry The study is titled "Membrane-less and Non-evaporative Desalination of Hypersaline Brines by Temperature Swing Solvent Extraction " It can displace the prevailing practice of costly distillation for desalination of high-salinity brines and tackle higher salinities that RO

A Columbia Engineering team led by Ngai Yin Yip assistant professor of earth and environmental engineering reports that they have developed a radically different desalination approach—temperature swing solvent extraction (TSSE)—for hypersaline brines

Directional solvent extraction may be considered a molecular-level desalination approach Directional Solvent Extraction circumvents the need for membranes uses simple inexpensive machinery and by operating at low temperatures offers the potential for using waste heat

55 technique was investigated for desalination of seawater simulated by 3 5 w/w% NaCl solution with 56 decanoic acid as the solvent 30 57 In this study we demonstrate temperature swing solvent extraction (TSSE) desalination of 58 high-salinity brines using three amine solvents The performance metrics of water extraction salt

Jun 18 2019"We think TSSE will be transformational for the water industry It can displace the prevailing practice of costly distillation for desalination of high-salinity brines and tackle higher salinities that RO cannot handle " said Ngai Yin Yip who led the study "This will radically improve the sustainability in the treatment of produced water inland desalination concentrate landfill

US3177139A US32725463A US3177139A US 3177139 A US3177139 A US 3177139A US 32725463 A US32725463 A US 32725463A US 3177139 A US3177139 A US 3177139A Authority US United States Prior art keywords water solvent temperature salt phase Prior art date 1963-12-02 Legal status (The legal status is an assumption and is not a legal conclusion

Radical Desalination Approach May Disrupt the Water Industry The study is titled "Membrane-less and Non-evaporative Desalination of Hypersaline Brines by Temperature Swing Solvent Extraction " It can displace the prevailing practice of costly distillation for desalination of high-salinity brines and tackle higher salinities that RO

May 10 201910th May 2019 Radical new desalination technique may disrupt the water industry Researchers at Columbia University report a new desalination method for hypersaline brines known as temperature swing solvent extraction (TSSE) which is low-cost and efficient

May 09 2019A Columbia Engineering team led by Ngai Yin Yip assistant professor of earth and environmental engineering reports that they have developed a radically different desalination approach—"temperature swing solvent extraction (TSSE)"—for hypersaline brines