Textile effluent treatment by Bacillus species isolated from processed food


N.Murugalatha*, A. Mohankumar, A. Sankaravadivoo and C. Rajesh

Colour removal of industrial effluent has been a major concern in waste water treatment, especially for the waste water that originates from textile and dye stuff plant with a continuous discharge of great quantity of remaining dyes to the environment. The efficient treatment of the effluent is an eco- friendly method for the treatment of textile effluent. Bacillus species was isolated from the processed food-pickles and were characterized by means of biochemical reactions. Spore formers, non spore formers and their supernatant were used for the treatment. Effluent collected from the textile was diluted to 10, 50 and 90%, were subjected to biological treatment. The level of degradation rate was increased to 87.7 to 93.3% on dilution at 50 and 90% respectively when spore formers were used. The culture supernatant was able to degrade the dye at a rate of 34% with crude effluent and 98 with 90% of diluted effluent. Probably the metabolites produced by the organism were involved in the dye degradation process.

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