Novel biopolymer-coated hydroxyapatite foams for removing heavy-metals from polluted water

► 3D-macroporous biopolymer-coated hydroxyapatite (HA) foams as potential devices for the treatment of heavy metal ions. ► HA stable foams coated with biopolymers. ► Feasible advance in development of new, easy to handle and low cost water purifying methods.