Biosorption of cr (vi) from aqueous solution by unmodified and modified sugarcane bagasse

Chromium has been widely used in various industries like textile, leather, paint industry and many other industries. Since hexavalent chromium is a priority toxic, mutagenic and carcinogenic chemical when present in excess, it is very much required to remove chromium from effluent before allowing it to enter any water system or on to land. In the present work the removal of Cr(VI) by adsorption on the sugarcane bagasse sodium hydroxide modified sugarcane bagasse were studied. The effect of pH and initial metal ion concentration on the biosorption of Cr(VI) ions were investigated. The experimental data obtained were analyzed with Langmuir and Freundlich isotherms models. The biosorbent was characterized by FT-IR analysis