Alkaline coal fly ash and lime were tested for their effectiveness in pathogen removal from biosolids at different time intervals and temperatures. Coal fly ash at 10 and 35% w/w was mixed with ...

In Minnesota, fly ash has been used in projects that range from Trunk Highway 169 near Onamia to Highway 14 from Rochester to Mankato to the new 35W Bridge. It’s also found in the concrete in ...

In fact, the fly ash emitted by a power plant—a by-product from burning coal for electricity—carries into the surrounding environment 100 times more radiation than a nuclear power plant ...