Sentences with phrase «fgd gypsum»

A lot of FGD gypsum ends up in landfills, but companies also use it to make wallboard and cement.

Farmers are also allowed to use FGD gypsum on their fields, and over the past decade scientists have begun research projects in seven states examining how it affects crops and soils.

In part, that's because it is relatively cheap: A ton of mined gypsum can cost as much as $ 140, whereas a ton of FGD gypsum costs $ 38.

Not exact matches

The chemical reactions involved produce a form of gypsum known as flue - gas desulfurization (FGD) gypsum.