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Researchers developed a hybrid system combining adsorption and membrane filtration to extract lithium from shale gas flowback water, achieving high recovery rates while addressing environmental concerns. The integrated process uses selective adsorbents to capture lithium ions from the complex flowback fluid, followed by membrane separation to purify and concentrate the lithium for commercial use. The method demonstrates potential for transforming wastewater from hydraulic fracturing operations into a valuable lithium resource.
Why it matters
This technology could provide a sustainable dual benefit by both reducing environmental contamination from shale gas extraction wastewater and creating a domestic lithium supply to meet growing demand for batteries in electric vehicles and energy storage. The approach addresses critical resource recovery and water treatment challenges simultaneously.
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Source: Integrated adsorption–membrane process for lithium recovery from shale gas flowback fluid