OPTIMIZATION OF CHROMIUM ADSORPTION PROCESS BY SAW DUSTS OF TECTONA GRANDIS (TEAK) AND SHOREA ROBUSTA (SAKHU)ANOOP KUMAR MISHRA AND SIDDHARTHA SHUKLAAbstract Chromium is highly toxic and recalcitrant compound it is used in variety of industries such as leather, electroplating, textile dying and steel industries. Its removal is immensely required. Various physico-chemical methods such as chemical precipitation, reduction, solvent extraction, membrane separation and reverse osmosis are in use to remove chromium, but adsorption is more cost effective, efficient and ecofriendly method for the removal of chromium. Present investigation was an attempt to find the optimum conditions for the adsorption of chromium by Teak (Tectonagrandis) and Sakhu (Shorearobusta) saw dusts, the results indicated maximum adsorption at pH 6, temperature 27 oC, adsorbent dose 50 g, adsorbate concentration 50 ppm and contact time 20 minutes. |