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Isolation of fungi for delignification of Pulp and Paper mill effluent


Author : Lokeshwari.N, G.Srinikethan, S.G.Joshi, Shasikala. Inamdar , Srikanth. B, Bashirahmed and Sushma.L

Pages : 124-128
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Abstract

Biodegradation of industrial Lignin by a fungal isolate identified as Aspergillus flavus, white rot fungi which was isolated from Pulp and Paper effluent was studied in batch flask system with industrial effluent. The flasks were operated at temperature 32°C at 200 rpm for eight days in continuous mode. The average overall pH, Temperature, DO, C.O.D, T.D.S, T.S.S, Lignin, were up to 4.56, 32oC, 4.2mg/l, 104mg/l, 6000 mg/l, 4000mg/l, 575.5mg/l, respectively after treatment. The Aspergillus flavus sp was the most effective in the biodegradation of Lignin of pulp industry for 94% at 480nm and of chemical oxygen demand levels for 45% after 8 days of incubation. The optimal conditions found were 4 pH and 32oC temperature for lignin degradation

Keywords: Lignin, Aspergillus flavus, Screening, Optimal conditions

Article published in the Proceedings of National Conference on ‘Women in Science & Engineering’ (NCWSE 2013), SDMCET Dharwad

 

 

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