Adsorption of U(VI) from waste-water by cross-linked sawdust

The cross-linked sawdust was used to adsorb uranium from wastewater in a tailing dam of uranium mine.The effect factors such as the adsorbent dosage,contact time,values of pH and temperature with batch experiments were investigated.The results showed that the cross-linked sawdust had very excellent adsorption capacity on U(VI),and the maximum removal efficiency reached 93% when the particle size was 0.3 mm,pH was 5.5,and the adsorbent dosage was 0.4 g in 50 mL solution.The reatment of wastes with waste by using modified sawdust to adsorb uranium from waste-wate was realized.