An eco-friendly approach for minimizing pollution of metal from municipal solid waste leachate in India
2017
Awasthi, Abhishek Kumar | Pandey, Akhilesh Kumar | Khan, Jamaluddin
Municipal solid waste (MSW) leachate management has become an important issue worldwide. The present study evaluated the potential of indigenous fungi for biosorption of Cd²⁺ from leachate. Three isolates—Trichoderma harzianum, Aspergillus niger and Aspergillus flavus were selected based on their ability to exclude the Cd²⁺ at the preliminary stage. Among these, Trichoderma harzianum was found to be an excellent fungus for cadmium absorption. The highest biosorption rate for Cd²⁺ was achieved under the conditions: temperature 45 °C (64.87%), pH 6.0 (64.78%) and spore concentration [10⁵ cfu ml⁻¹] (64.41%). The obtained data indicated that the developed fungal consortium is very efficient and effective for cadmium removal (72.41%), thereby demonstrating that it is a promising solution for removing toxic metals from MSW leachate.
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