Assertion: gypsum's water | /r/HasProperty | treated
Facets:
Source sentences:
text: FGD systems that use a gypsum stack typically do not have primary or secondary dewatering, and instead sluice their absorber blow down to a diked area where the solids settle to a relatively low free-moisture content; the water is reclaimed and returned to the FGD system, or is treated and discharged.