Removal of pollutants from pulp and paper mill effluent by anaerobic and aerobic treatment in pilot-scale bioreactor
by Pratibha Singh, Deepa Katiyar, Meera Gupta, Anoop Singh
International Journal of Environment and Waste Management (IJEWM), Vol. 7, No. 3/4, 2011

Abstract: Pilot-scale anaerobic and aerobic treatment in a two-step bioreactor was performed for the removal of pollutants from pulp and paper mill effluent. After seven days of anaerobic treatment, colour (45%), lignin (60%), COD (26%) and adsorbable organic halogen (AOX) (20%) were reduced. The anaerobically treated effluent was then treated in a bioreactor in the presence of a fungal strain (Aspergillus fumigatus) or a bacterial strain (Pseudomonas ovalis). The results of this study indicated a reduction in colour (76% and 56%), lignin (78% and 68%), COD (85% and 78%) and AOX (70% and 82%) by Aspergillus fumigatus and Pseudomonas ovalis respectively.

Online publication date: Sat, 24-Jan-2015

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