solvent extraction Archives

World Cleanup Day 2022: Help #cleanup our planet

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World Cleanup Day 2022 - a globe is wrapped in a plastic bag

Put on your rubber gloves and help #cleanup the planet on World Cleanup Day 2022. This 17th of September, millions of international volunteers will join forces to pick up trash and remove waste that pollutes the Earth. Let’s Do It World leads the collective effort to rid the world of pollution, mobilised into action by the horrific truth that only […]

Optimising solvent extraction for metal recycling

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Assistant Professor Ana Paula Paiva researches the application of solvent extraction, through the use of leaching solutions, in the hydrometallurgical process for end-of-life platinum metals.

The platinum-group metals play a central role in several technological applications including fuel cells, electronic devices, and catalysts for oil refining and automobile converters. Owing to the scarcity of these metals, methods for their recycling from end-of-life devices are in increasing demand. Hydrometallurgy, which exploits the ability of specific molecules to selectively dissolve metal ions and separate them from unwanted […]

Using diglycolamides to improve rare-earth element separation

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The family of 17 elements known as the “rare earth elements” are difficult to produce economically. Despite this, they are described as “critical raw materials” because of their unique properties and their various technological applications. This means their use is accelerating globally. Separation of these elements is a fundamental challenge, but this does not daunt Dr Santa Jansone-Popova and her […]