FGD гипс ургамлын үйлдвэр. Stabilization of FGD gypsum for its disposal in landfills … The use of amorphous aluminium oxide in the stabilization of FGD gypsum proved to greatly decreased its fluoride leachable content (in the range 5-75% for amorphous aluminium oxide doses of 0.1-2%, as determined by the European standard EN 12457-4 [EN-12457 …