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磷石膏是工业生产磷铵产生的废渣.随着磷铵工业的发展,磷石膏废渣也大量增加,如果这些磷石膏废渣长期堆放,将占用大片土地,污
Phosphogypsum is a waste residue from industrial production of ammonium phosphate.With the development of ammonium phosphate industry, a large amount of phosphogypsum waste also increases. If these phosphogypsum waste is stored for a long time, it will occupy a large area of land,