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The Feasibility Study of Brown Marine Algae toward Cadmium Ions as a Low Cost Biosorbent

Anies S. Mohd Naspu 1, 2, Nur S.A. Zahala 1 Sharizal Hasan 2, and Mohd L. Kamal 2
1. Faculty of Applied Science, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia.
2. Faculty of Applied Science, Universiti Teknologi MARA, 02600 Arau, Perlis, Malaysia.
Abstract—The adsorption study on removal of cadmium ions from aqueous solution by modified brown marine algae namely Padina sp. was performed under batch experimental conditions. The effect of initial concentration of metal ion solution, contact time, and biosorbent dosage has been investigated using the batch adsorption technique. The data obtained were used to analyzed by using pseudo-first order and pseudo-second order model. The result show that pseudo-second order obey the assumptions. The optimum removal of cadmium ions by initial concentration of 50 ppm. While 60 minutes contact time of biosorbent was resulting maximum adsorption of cadmium ions with 1.0 g dosage of biosorbent under 150 rpm of agitation speed.

Index Terms—cadmium, brown algae, Padina sp., biosorbent, biosorption, heavy metal, kinetic studies

Cite: Anies S. Mohd Naspu, Nur S.A. Zahala, Anies S. Mohd Naspu, Sharizal Hasan, and Mohd L. Kamal, "The Feasibility Study of Brown Marine Algae toward Cadmium Ions as a Low Cost Biosorbent," Journal of Medical and Bioengineering, Vol. 3, No. 3, pp. 227-230, September 2014. Doi: 10.12720/jomb.3.3.227-230
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