Decolorization and Degradation of Textile Dyes by Stenotrophomonas maltophilia RSV-2

Rajeswari K^1, , Subashkumar R² and Vijayaraman K³

¹Research and Development Centre, Bharathiar University, Coimbatore

²PG & Research Department of Biotechnology, Kongunadu Arts and Science College, Coimbatore

³KSG College of Arts and science, Coimbatore

Cite this paper:
Rajeswari K, Subashkumar R and Vijayaraman K. Decolorization and Degradation of Textile Dyes by Stenotrophomonas maltophilia RSV-2. International Journal of Environmental Bioremediation & Biodegradation. 2013; 1(2):60-65. doi: 10.12691/ijebb-1-2-5

Abstract

Dyewaste effluent samples were collected from textile dyeing unit as well as CETP located in Tirupur. Strains having decolorizing ability of various textile reactive dyes were obtained from primary and secondary screening methods. Stenotrophomonas maltophilia RSV-2 strain could degrade the mixed dyes up to 2100 ppm with in 67 hrs and 58 % decolorization was obtained through acclimatization study. The strain was identified based on biochemical and 16S ribosomal RNA gene sequence study. Optimization of yeast extract composition, pH, temperature, salinity and biomass composition was determined. Decolorization performance of individual dyes using two different substrates was also studied.

Keywords:
decolorization dyewaste effluent Stenotrophomonas maltophilia textile dyes

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