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(Nanowerk News) Adding limestone powder to "green" concrete mixtures—those containing substantial amounts of fly ash, a byproduct of coal-burning power plants—can significantly improve performance, ...

Autumn marks the end of Pennsylvania's growing season, but it does not mean that a farmer's work is done. For more than two centuries, one of the most important autumn chores for Monroe County farmers ...

After the limestone is mined, it is crushed and kept in silos prior to entering the kiln. During the filling and emptying process, lime creates a large amount of dust. The material can become sticky ...