PHNX Materials has devised a way to strip fly ash of sulfur and aluminum, impurities that concrete companies would rather ...

A US-based startup focused on recycling coal ash, reducing cement emissions, and decarbonizing the concrete industry has given coal ash a surprising second life by helping decarbonize concrete, one of ...

Because cement emits large amounts of CO₂ — both from the high-temperature kilns used in its production and from the chemical ...

Brunner Island is a 1,490-megawatt power plant that generates and stores large amounts of coal-combustion residual wastes, including fly ash and bottom ash, in in-ground impoundments. These coal ash ...