Dear Editor,Phosphogypsum(PG)is the main by-product generated during phosphoric acid production from mineral rocks.It contains mainly calcium sulfate dehydrate(CaSO4:2H2O),phosphate,fuoride,heavy metals,and radionucli...Dear Editor,Phosphogypsum(PG)is the main by-product generated during phosphoric acid production from mineral rocks.It contains mainly calcium sulfate dehydrate(CaSO4:2H2O),phosphate,fuoride,heavy metals,and radionuclides(Elloumi et al.,2015).Around 170×10^6 t PG is produced annually worldwide,although PG management is an environ-mental concern in several countries.展开更多
基金supported by the Ministry of Higher Education and Scientific Research, Government of Tunisia, National Center for Nuclear Sciences and Technology, Government of Tunisia, and Centro de Ciencias do Mar, Government of Portugal through a joint research project (No.39/TP/09)a local company- Groupe Chimique Tunisien (Sfax, Tunisia)-for thesis fellowship support to Mrs. Houda Trifi
文摘Dear Editor,Phosphogypsum(PG)is the main by-product generated during phosphoric acid production from mineral rocks.It contains mainly calcium sulfate dehydrate(CaSO4:2H2O),phosphate,fuoride,heavy metals,and radionuclides(Elloumi et al.,2015).Around 170×10^6 t PG is produced annually worldwide,although PG management is an environ-mental concern in several countries.