Bioremediation of Heavy Metals in Liquid Media Through Fungi Isolated from Contaminated Sources
- 25 January 2011
- journal article
- research article
- Published by Springer Science and Business Media LLC in Indian Journal of Microbiology
- Vol. 51 (4), 482-487
- https://doi.org/10.1007/s12088-011-0110-9
Abstract
Wastewater particularly from electroplating, paint, leather, metal and tanning industries contain enormous amount of heavy metals. Microorganisms including fungi have been reported to exclude heavy metals from wastewater through bioaccumulation and biosorption at low cost and in eco-friendly way. An attempt was, therefore, made to isolate fungi from sites contaminated with heavy metals for higher tolerance and removal of heavy metals from wastewater. Seventy-six fungal isolates tolerant to heavy metals like Pb, Cd, Cr and Ni were isolated from sewage, sludge and industrial effluents containing heavy metals. Four fungi (Phanerochaete chrysosporium, Aspegillus awamori, Aspergillus flavus, Trichoderma viride) also were included in this study. The majority of the fungal isolates were able to tolerate up to 400 ppm concentration of Pb, Cd, Cr and Ni. The most heavy metal tolerant fungi were studied for removal of heavy metals from liquid media at 50 ppm concentration. Results indicated removal of substantial amount of heavy metals by some of the fungi. With respect to Pb, Cd, Cr and Ni, maximum uptake of 59.67, 16.25, 0.55, and 0.55 mg/g was observed by fungi Pb3 (Aspergillus terreus), Trichoderma viride, Cr8 (Trichoderma longibrachiatum), and isolate Ni27 (A. niger) respectively. This indicated the potential of these fungi as biosorbent for removal of heavy metals from wastewater and industrial effluents containing higher concentration of heavy metals.Keywords
This publication has 22 references indexed in Scilit:
- Kinetic studies for the biosorption of lead and copper ions by Penicillium simplicissimum immobilized within loofa spongeJournal of Hazardous Materials, 2008
- Biosorption of chromium and nickel by heavy metal resistant fungal and bacterial isolatesJournal of Hazardous Materials, 2007
- Biosorption characteristics of Aspergillus flavus biomass for removal of Pb(II) and Cu(II) ions from an aqueous solutionBioresource Technology, 2006
- Biosorption of Combined Industrial Effluents using Phanerochaete ChrysosporiumInternational Journal of Chemical Reactor Engineering, 2006
- Metal bioremediation through growing cellsEnvironment International, 2004
- Ca-alginate as a support for Pb(II) and Zn(II) biosorption with immobilized Phanerochaete chrysosporiumCarbohydrate Polymers, 2003
- Studies on chromium(VI) adsorption–desorption using immobilized fungal biomassBioresource Technology, 2003
- Bioaccumulation of copper(ii) and nickel(ii) by the non-adapted and adapted growing CANDIDA SP.Water Research, 2001
- The removal of Pb(II) by Phanerochaete chrysosporiumWater Research, 2000
- Biobleaching of Pulp and Paper Mill Effluents by Phanerochaete chrysosporiumJournal of Chemical Technology & Biotechnology, 1992