مشاوره،طرح،نظارت،اجرا واحدهای شیمیایی
Materials. A commercial wet phosphoric acid from the General Fertilizer Company GFC Homs, Syria with 29% wt. P2O5, F=24815 g/L and a density of 1.26 g/cm3 was used after being treated. Na2CO3, Na2SO4, Na2CO3, NaCl, K2SO4, K2CO3 and KCl used were of analytical grade and Na2SO4 and NaCl were of commercial grade.