題名: Pseudo-isotherms using a second order kinetic expression constant 作者: Ho, Y.S.
貢獻者: Department of Biotechnology
關鍵詞: pseudo-isotherm;pseudo-second order;kinetics;equilibrium;adsorption 日期: 2004
上傳時間: 2009-12-15T05:24:36Z 出版者: Asia University
摘要: The kinetics of four sorption systems, Cu/tree fern, Pb/tree fern,
AB9/activated clay and BR18/activated clay have been studied based on the assumption of a pseudo-second order rate law. Pseudo-isotherms using the pseudo-second order kinetic expression constant have been developed to describe the four liquid-solid sorption systems. The
experimental results have been analyzed using a pseudo-Langmuir and a pseudo-Redlich-Peterson isotherm. Both isotherms were found to represent the measured sorption data well. According to the evaluation using the pseudo-Langmuir equation, the monolayer sorption capacities were obtained to be 13.9, 46.6, 124 and 105 mg g?1 for copper, lead, AB9 and BR18 respectively.