Optimization Studies on the Biodegradation of Textile Dye Congo red using Fungal Strains
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 1
Abstract
Dyes are extensively used in the textile industry because of their wide variety of color shades, ease of application and minimal energy consumption. The discharges of dyes into the environment is aesthetically displeasing, impede light penetration, damage the quality of the receiving streams and may be toxic to treatment processes, to food chain organisms and to aquatic life. In this study fungal strain like Aspergillus flavus and Aspergillus niger were used to degrade Congo red textile dyes. Physico-chemical parameters were optimized for the decolorization process by changing one parameter at a time. For A.flavus and A.niger, the optimum temperature, pH, carbon source, nitrogen source and inoculum volume were found to be 31°C, pH 8, 1% maltose, 1% yeast extract, and 2% inoculums respectively. Extent of decolorization recorded by A.niger under optimal conditions was found to be 93.21%, Aflavus was found to be 88.23% .The study has confirmed the potential of the above fungi in the decolorization of Congo red and opened scope for future analysis of their performance in the treatment of textile effluent.
Authors and Affiliations
S. K. Mohan, C. Arunkumar, R. Perumal, S. Venkatesaprabhu, T. Kavithanjali
Keywords
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