A comparative study of removal of fluoride ... SpringerLink
In the present study, shale, a coal mine waste, is employed as novel and lowcost adsorbent to abate fluoride from simulated solution. Shale samples were collected from Mahabir colliery (MBS) and Sonepur Bazari colliery (SBS) of Raniganj coalfield in West Bengal, India, and used to remove fluoride.