Abstract
Abstract The adsorption of two metal ions Pb2+ and Cd2+ has been observed on hydrous aluminium and iron oxide which are prepared and characterized by well known methods. Hydrous ferric oxide exhibits bettwr sorption capacity for the metal ions. The uptake of lead is much higher than cadmiua and follows Langmuir model. Thermodynamic parameters of the process have been estimated by kinetic measurements which also provide mechanistic information.
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