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This paper describes the sorption kinetic and isotherm of methylene blue (MB) by thermally treated alum sludge (TAS) at the laboratory scale. Kinetics study was conducted by varying initial concentrations of MB (50, 150 and 250 mg/L) and contact time (30, 60, 120 and 180 min) whereas adsorption isotherm was investigated at various initial concentrations (10, 50, 100, 200, 300 and 400 mg/L) at constant temperature (25 o C), contact time and agitation speed. Lagergren, Ho and Mckay anddoi:10.21833/ijaas.2017.012.018 fatcat:tncibgaxenbx7dyxrgwgqjevg4