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ISSN: 1948-5948

Journal of Microbial & Biochemical Technology
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Research Article

Removal of Cd (II) from Aqueous Solution using Immobilized Rhizomucor Tauricus

K. Kishore Kumar1*, M. Krishna Prasad2, G. V. S. Sarma3, Ch. V. R. Murthy3

1Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Hyderabad, India-500 046

2Department of Chemical Engineering, GMR Institute of Technology, Rajam, Srikakulam Dist., Andhra Pradesh, India

3Department of Chemical Engineering, University College of Engineering (A), Andhra University, Visakhapatnam-530003, India

*Corresponding Author:
Dr. K. Kishore Kumar
Post Doctoral Fellow (Dr. Kothari Post Doc Fellow)
1Department of Plant Sciences, School of Life Sciences
University of Hyderabad
Hyderabad, India-500 046
E-mail : [email protected]

Received Date: December 20, 2009; Accepted Date: December 28, 2009; Published Date: December 28, 2009

Citation: Kumar KK, Prasad MK, Sarma GVS, Murthy CVR (2009) Removal of Cd (II) from Aqueous Solution Using Immobilized Rhizomucor Tauricus. J Microbial Biochem Technol 1:015-021. doi: 10.4172/1948-5948.1000004

Copyright: © 2009 Kumar KK, 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

An industrial waste fungus Rhizomucor tauricus mycelial biomass was entrapped into alginate gel liquid curing method in the presence of Ca (II) ions. The Biosorption of cadmium (II) by the entrapped live biomass and dead powdered fungal biomass has been studied in a batch system. The binding capacity of immobilized live fungal biomass was very high comparative to dead powdered fungal biomass. The effect of initial metal concentration, pH, temperature and L/S ratio on cadmium removal has been investigated. The maximum experimental biosorption capacities for entrapped live and dead powdered fungal of Rhizomucor tauricus were found to be 79.9 ? 2.2 mg Cd (II) L-1, 57.29 ? 3.4 mg Cd (II) g-1 respectively. The kinetics of cadmium biosorption was slow; approximately 75% of Biosorption takes place in 2 hours. The biosorption equilibrium data were well described by Freundlich adsorption isotherm. The FTIR results revealed that the functional groups -OH and -NH2 involved in the biosorption process.

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