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The Effects of Oil Palm Empty Fruit Bunch Sorbent Sizes on Plumbum (II) Ion Sorption

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Abstract:

Oil Palm Empty Fruit Bunch (OPEFB) contributes more than 50% of oil palm biomass wastes in Malaysia. This provides tremendous opportunities for value-added product generation from recycling and utilizing its latent capacity. In this work, the performance of physically-pretreated OPEFB fibers without any chemical treatment for Pb2+ removal from aqueous system was evaluated. Three different size ranges (1-5 cm, 0.5-2 mm and 0.005-0.02 mm) of raw sorbent, pH (4-10) and contact time (2-150 min) for Pb2+ batch adsorption were tested. The kinetic data were evaluated by the pseudo-first-order, pseudo-second-order and intra-particle diffusion model. The experimental data were well described by the pseudo-second-order model with r2=0.997. Adsorption efficiency was size-dependent with about 38% sorption increase at 0.005-0.02 mm, and reached 94% efficiency, achieved 47.49 mg/g capacity with 500 ppm Pb2+ at pH 7.5, in 60 min. The eco-friendly, low cost sorbent can be applied as green, effective adsorbent in waste water remediation.

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Periodical:

Advanced Materials Research (Volume 1133)

Pages:

542-546

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1133.542

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Online since:

January 2016

Authors:

Safoura Daneshfozoun, Bawadi Abdullah, M. Azmuddin Abdullah*

Keywords:

Batch Adsorption, Heavy Metal, Oil Palm Empty Fruit Bunch, Physical Pretreatment

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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