Reductive removal of Cr(VI) by starch-stabilized Fe0 nanoparticles in aqueous solution

►Preparation of starch-stabled Fe0 nanoparticles by sulfate method. ►Comparative Cr(VI) removal by Fe0 and Fe3O4 nano and microparticles. ►Effect of operational parameters on Cr (VI) removal by stabled Fe0 nanoparticles.