How well toxic elements leach out of coal ash depends on the ash's nanoscale composition Date: June 6, 2023 ... rare earth elements or incorporating it into building materials such as concrete.

According to a study from the University of Texas Austin, the 5 gigatonnes of coal ash produced in the United States between 1950 and 2021 might contain as much as $8.4 billion worth of REEYSc ...

Batten said North Carolina’s concrete industry uses up to 900,000 tons of coal ash a year. Duke plants produce about 1.2 million tons a year. Properly processed, he said the industry could ...

“Ash can be used to replace up to 30% of cement,” Krish Mehta, co-founder and CEO of PHNX Materials, told TechCrunch.By displacing cement in concrete, fly ash from coal plants can eliminate a ...