Rotating packed bed contactor technology may be safe ... such as mining waste, coal fly ash or discarded electronics. This could help the U.S. manufacturing industry on multiple fronts.

By applying their method to materials that would otherwise be discarded—such as mining waste, coal fly ash, and electronic ... around rotating packed bed (RPB) contactors, a kind of chemical ...

Researchers from The University of Texas at Austin have released estimates that U.S. coal ash contains 11 million tons of rare earth elements. 70% of the coal ash produced from 1985 to 2021 ...

The letter asked Zeldin to go easy on them — by delivering the regulatory authority back to states and rescinding a 2024 rule that mandated cleanup of coal ash at inactive power plants.

Environmental groups have filed a notice to sue Alliant Energy’s Iowa affiliate, alleging unpermitted groundwater discharges from a drain beneath a landfill containing coal ash in Ottumwa.

The 64-page agreement approved by the council requires the town to monitor the coal ash and to “design a remedy” in the form of a structural cap before building on the site. It also prohibits ...

President Trump signed four executive actions on Tuesday aimed at reversing policies that transitioned the country away from coal production and aimed at boosting America's "beautiful clean coal ...

It no longer makes economic sense to maintain or build coal-fired plants. President Donald Trump's quest to conduct a resurgence of coal production and utilization in the U.S. is farfetched and ...

The nation’s top environmental agency last week also announced a review of regulations that govern the disposal of coal ash — the byproduct of burning coal in power plants. The EPA hopes to ...