Biosorption of Heavy Metals Using Algae: A Review
S Kanchana 1, J Jeyanthi 2, R Kathiravan 1, and K Suganya 3
1 Department of Civil Engineering, RVS Technical Campus, Coimbatore.
2 Department of Civil Engineering, Government College of Engineering, Srirangam.
3 Department of Civil Engineering, Knowledge Institute of Technology, Salem.
2 Department of Civil Engineering, Government College of Engineering, Srirangam.
3 Department of Civil Engineering, Knowledge Institute of Technology, Salem.
Abstract—Various algal species can be used for removing heavy metals like Cd, Cu, Ni, Pb, and Zn from aqueous solutions successfully. Biological removal of metals is possible by both living and non living algal biomass. Algal biosorption is dependent on various parameters such as pH, biomass concentration, temperature, contact time and initial concentration of metal ion in the solution. The potential metal binding groups present on the cell surface of the algal species are carboxylate, amine, imidazole, phosphate, sulfhydrl, sulphate and hydroxyl. Algae found in large quantities in sea as well as in fresh waters serve as basis for newly developed metal biosorption process, as a very competitive means for the detoxification of metal bearing industrial effluents.
Index Terms—Biosorption, Biosorbent, Algae, Immobilization, Modeling
Cite: S Kanchana, J Jeyanthi, R Kathiravan, and K Suganya, "Biosorption of Heavy Metals Using Algae: A Review," International Journal of Pharma Medicine and Biological Sciences, Vol. 3, No. 2, pp. 1-9, April 2014.
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