China approves greener lithium extraction method

China has approved a new method of extracting lithium in a more efficient and environmentally friendly way, according to Xinhua News.

Professor of the institute of environmental science and engineering in Nanchang University Qiu Zumin told Xinhua News the lithium extraction technology has passed the national scientific and technological achievements appraisal. It is expected to replace China’s current methods of extracting lithium, which have been blamed for creating significant amounts of waste with low profitability.

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Lithium batteries are used in most electronics, from mobile phones to computers, to electronic cars. Currently, China imports 80 per cent of its lithium carbonate.

Xinhua News says China’s traditional methods produce 30 to 40 tonnes of waste to produce one tonne of lithium carbonate, while also being expensive to treat.

The new methods has been jointly developed by the Jiangxi Haohai Lithium Energy, Nanchang University and other institutions to separate all the elements in lithium micas.

Chair of Haohai Peng Guiyong told Xinhua News the company plans to invest one billion yuan ($205 million AUD) to build a production line with an annual capacity of 40,000 tonnes of lithium carbonate.