Utilising waste activated sludge from a palm oil mill effluent treatment plant to remove methylene blue in continuous column studies
by K. Gobi; M.D. Mashitah; V.M. Vadivelu
International Journal of Environmental Engineering (IJEE), Vol. 4, No. 3/4, 2012

Abstract: The Waste Activated Sludge (WAS) discharged during the aerobic treatment of Palm Oil Mill Effluent (POME) was used to produce a low cost adsorbent for the removal of Methylene Blue (MB) from aqueous solution. This study employed a continuous process in a column packed with WAS as the adsorbent. The adsorption data fits Thomas and Yoon-Nelson model better compared to Adams-Bohart model under various conditions. The highest uptake capacity, qe, was obtained when a 6 cm bed depth was used at an inlet concentration of 100 mg/L and a flow rate of 0.9 mL/min.

Online publication date: Wed, 31-Dec-2014

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