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Aabstract

Research Article

Sargassum Fusiforme Extract for Heavy Metal Removal from Waste Solution

Da Young Kang, Young Wook Jo

Correspondence Address :

Young Wook Jo
Department of Biotechnology
College of Engineering, Yonsei University
Seoul 03722, Republic of Korea
Laboratory of Pharmaceuticals
BIOSTANDARD, Seoul 04631
Republic of Korea
Tel: 821025852150
Email: carpediemwj@gmail.com

Received on: May 26, 2018, Accepted on: June 18, 2018, Published on: June 26, 2018

Citation: Da Young Kang, Young Wook Jo (2018). Sargassum Fusiforme Extract for Heavy Metal Removal from Waste Solution

Copyright: 2018 Young Wook Jo, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Abstract

Biosorption is a suitable heavy metal remediation technique for the treatment of aqueous effluents of large volume and low pollutant concentration. However, today industrial applications need the selection of efficient low-cost biosorbents. The aim of this work is to investigate brown alga such as Sargassum fusiforme (SF) especially habituated in JEJU island in Republic of KOREA as a low-cost biosorbent, for the fixation of metallic ions, namely Cu2+, Zn2+, Pb2+, Ni2+, Cd2+ and Hg2+, in a batch reactor. Biosorption kinetics and isotherms have been performed at pH 5.5. For all of the studied metallic ions, the equilibrium time is about 450 min and a tendency based on the initial sorption rate has been established: Hg2+ > Zn2+ > Ni2+ > Cu2+ > Cd2+ > Pb2+. The adsorption equilibrium data are well described by the Langmuir equation. The sequence of the maximum adsorption capacity is Pb2+ ≈ Cu2+ ≫ Ag2+ ≈ Ni2+ > Cd2+ > Zn2+ and values are ranged between 1.78 and 0.71 mmol g-1. These results indicate that the SF biomass is a suitable biosorbent for the removal of heavy metals from wastewater and can be tested in a dynamic process. The selected pilot process involves a hybrid membrane process: a continuous stirred tank reactor is coupled with a microfiltration immersed membrane, in order to confine the SF particles. A mass balance model is used to describe the adsorption process and the breakthrough curves are correctly modelled. Based on these results, it is demonstrated that SF is an interesting biomaterial for the treatment of water contaminated heavy metals.

GCEPT

Aabstract

Sargassum Fusiforme Extract for Heavy Metal Removal from Waste Solution

Abstract

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