China Plans to Turn Coal Ash Waste Into Strategic Mineral Resources

Coal Waste Recycling in China

According to НВ — Техно: May 25, 12:00 PM

A new analytical report reveals that China is exploring large-scale recycling of coal ash and mining waste to secure supplies of strategic minerals. Beijing officially intends to tap into resources previously considered waste to strengthen its raw material base. This shift comes as global demand for rare and critical elements surges, driven by clean energy technologies and electronics manufacturing.

Coal waste contains trace amounts of valuable elements such as germanium, aluminum, lithium, and gallium. Reprocessing these materials could mark a major step toward more resource-efficient practices. Specifically, the plan proposes extracting useful components from fly ash collected at power plant chimneys and from waste rock in slag heaps, turning what was once discarded into a valuable resource.

Industrial Foundation for Recycling

China already possesses the industrial infrastructure needed to launch such operations. Most of the country's coal mining lines are integrated with chemical plants and thermal power stations, creating favorable conditions for large-scale recycling. However, the chemical composition of coal varies from mine to mine due to geological differences, and the makeup of individual ash batches can be inconsistent because fuel is often blended at power plants.

China has a proven track record in extracting germanium, which supports the feasibility of new projects in this field. As noted by Dai Shifeng, a member of the Chinese Academy of Sciences and a professor at China University of Mining and Technology:

'Carbon waste is rich in metallic elements and can serve as a powerful alternative source of supply.'

This comment underscores the importance of coal waste recycling for future strategic material security. China's initiatives in recycling coal ash and mining waste could thus represent a significant step toward sustainable development, while also boosting energy independence and resource efficiency.

This move by China could have a major impact on global strategic mineral markets, as rising demand for technologies tied to renewable energy and electric vehicles increases the value of such materials. Recycling coal waste not only helps reduce the environmental harm associated with its disposal but also lessens reliance on imported resources-a key factor for the country's economic security.