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Removal of Methylene Blue and Orange-G from Waste Water Using Magnetic Biochar

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Authors
Mujawar, Mubarak
Fo, Y.
Al-Salim, H.
Sahu, J.
Abdullah, E.
Nizamuddin, S.
Jayakumar, N.
Ganesan, P.
Date
2015
Type
Journal Article

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Mujawar, M. and Fo, Y. and Al-Salim, H. and Sahu, J. and Abdullah, E. and Nizamuddin, S. and Jayakumar, N. et al. 2015. Removal of Methylene Blue and Orange-G from Waste Water Using Magnetic Biochar. International Journal of Nanoscience. 14 (4): Article ID 1550009.
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International Journal of Nanoscience
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Curtin Malaysia
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Abstract

The study on the removal of methylene blue (MB) and orange-G dyes using magnetic biochar derived from the empty fruit bunch (EFB) was carried out. Process parameters such as pH, adsorbent dosage, agitation speed and contact time were optimized using Design-Expert Software v.6.0.8. The statistical analysis reveals that the optimum conditions for the maximum adsorption of MB are at pH 2 and pH 10, dosage 1.0 g, and agitation speed and contact time of 125 rpm and 120 min respectively. While for orange-G, at pH 2, dosage 1.0 g, and agitation speed and contact time of 125 rpm and 120 min respectively. The maximum adsorption capacity of 31.25 mg/g and 32.36 mg/g for MB and orange-G respectively. The adsorption kinetic for both dyes obeyed pseudo-second order.