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Title: An attempt to develop seaweed-based treatment technology for the remediation of complex metal-bearing laboratory wastewaters
Authors: Vijayaraghavan, K. 
Joshi, U.M.
Kamala-Kannan, S.
Keywords: Bioremediation
Wastewater treatment
Water quality
Issue Date: Oct-2012
Citation: Vijayaraghavan, K., Joshi, U.M., Kamala-Kannan, S. (2012-10). An attempt to develop seaweed-based treatment technology for the remediation of complex metal-bearing laboratory wastewaters. Ecological Engineering 47 : 278-283. ScholarBank@NUS Repository.
Abstract: Biosorption is a well established remediation technology for heavy metal ions; however, little is known about their practical applications. Effluents generated in research laboratories are creating severe treatment problems for various organizations, owing to their complex nature. This article utilizes the well-defined biosorption technology for the treatment of complex synthetic laboratory wastewaters. Three seaweeds, Sargassum, Ulva and Turbinaria were employed to remediate wastewater found to comprise of eight different heavy metal ions (Cu(II), Co(II), Cd(II), Cr(III), Ni(II), Mn(II), Pb(II) and Zn(II)) at 0.016. M total concentration. Among the seaweeds, Turbinaria conoides performed well in both batch and continuous-mode of operation with total uptake capacities of 3.20 and 3.01. mmol/g, respectively. This article also discusses mechanism of seaweeds biosorption along with the practical problems associated with biosorption process in real applications, including process design, cost, biosorbent availability, mode of operation, quality of the final effluent and ultimate disposal of biosorbent. © 2012 Elsevier B.V.
Source Title: Ecological Engineering
ISSN: 09258574
DOI: 10.1016/j.ecoleng.2012.07.003
Appears in Collections:Staff Publications

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