One 2008 study calculated that one ton of mobile phones without batteries contains about 130kg of copper, 3.5kg of silver, 340 grams of gold.

A research team from Tsinghua University in Beijing has unveiled a powerful new technique to extract hazardous and valuable metals from industrial wastewater, using an unconventional method that ...

E-waste has valuable metals, but recycling is dirty and harmful. A new natural method can safely recover metals and make them ...

Engineers have developed a new sponge that can remove metals -- including toxic heavy metals like lead and critical metals like cobalt -- from contaminated water, leaving safe, drinkable water behind.

A consortium of United Kingdom firms that includes Tetronics International, Swindon, U.K., has announced a £1 million ($1.5 million) project that is targeting the recycling of obsolete electronics ...

Korea imports 95% of its core minerals such as lithium, nickel, and rare earths. Rare earths, in particular, are characterized by chemical, electrical, magnetic, and luminescent properties that can be ...

Under the direction of Professor Huijuan Liu, a research team at Tsinghua University has created a novel electrochemical system that holds the potential to transform the recovery of metal from ...

(a) Cu 2+ concentration change under different electrodeposition batches, (b) image of Cu recovered from TE&SF electrodeposition, (c) electric energy and specific energy consumption during ...

recirculating, which takes up valuable production capacity and creates metal dust that’s lost in the dust collection system; screening, which works well with larger fractions, but you still lose ...

The recycling and recovery of metals from spent alkaline and zinc‐carbon batteries are emerging as pivotal processes in the sustainable management of battery waste. These processes involve a sequence ...