Abstract: “In this work, column kinetics of Cr(VI) adsorption on autohydrolyzed (160-240 oC, 0-50 min) Scots pine (Pinus sylvestris L.) sawdust were simulated, in order to optimize the potential use of this material for wastewater cleaning. The effect of the autohydrolysis time and temperature on the microstructure and the crystallinity of pine sawdust was investigated be means of SEM, FTIR, XRD and BET. The Modified dose response (MDR) adsorption column capacity q0 increased from 0.6376 to 23.71 mg.g-1, indicating that autohydrolysis treatment at 240 oC for 50 min optimizes the adsorption behavior of the material.”

Keywords: adsorption, autohydrolysis, chromium, sawdust, column