Comparative fluoride sorption study of new calix[4]arene-based resins

► The synthesis of p-tetraamino- and p-tetrathioureacalix[4]arene-based resins. ► Investigation of sorption efficiency by evaluating different parameters. ► Comparative sorption study of resins for the removal of fluoride from aqueous media. ► Field application of synthesized resin for the removal of fluoride.