While State-owned electricity utility Eskom produces more than 34-million tons of coal ash a year, only 7% to 10% is beneficiated, with the remaining material accumulating in dumps scattered across ...

Millions of tons of coal ash left over from burning the planet’s dirtiest fossil fuel are sitting in ponds and landfills, able to leach into waterways and pollute soil. But this toxic waste may ...

Coal ash contains different levels of rare earth elements depending on where it originates. Place of origin also affects how much of the rare earth elements can be extracted. For example, ashes ...

A team of researchers at the University of Texas at Austin has identified Rare Earth Elements (REE) in coal ash accumulated in the United States. This material, long considered a problematic ...

When coal is burned at Georgia Power’s Plant Scherer, the remaining toxic ash is sunk into the body of water in the foreground. An underground stream flows through that ash at depths of up to ...

The study is the first study to tally up national coal ash resources. The researchers estimate that $8.4 billion worth of rare earth elements could be extracted from the accessible supply of coal ash.

On one hand, with the retirement of coal-fired power plants the supply of fly ash has decreased. Fly ash is one of the most popular supplemental cementitious materials (SCM) in the industry ...

Finalized in April, the rule targets coal ash stored near dormant power plants and in other locations that were previously exempt from federal cleanup requirements. The sites are at risk of ...

Burning coal for electricity leaves behind coal ash, a byproduct that contains lead, mercury, cadmium and other toxic metals that have been linked to cancers and other serious illnesses.