Ecology, Environment and Conservation Paper

Vol 23, Issue 1, 2017; Page No.(433-440)

ISOLATION OF MICROBES FOR REMEDIATION OF TEXTILE DYE INDUSTRY EFFLUENT

Shiny Guruce A., S. Rajanarayanan†, K. Jegatheesan and B. Gopal Samy

Abstract

Textile industry effluent is known to contain strong colour, a highly fluctuating pH, significant Chemical oxygen demand, Biochemical oxygen demand and Total dissolved solids. On account of these natures, degradation or decolourization of textile waste water becomes a major problem in wastewater treatment as synthetic dye is the major pollutant in textile waste water. The principle aim of this study is to isolate dye degrading actinomycetes from textile industry effluent, to characterize the obtained isolates and to screen them for TBG and RBB dye degradation. Experiments included collection of soil samples; actinomycetes isolation by serial dilution and spread plate technique on ISP2 medium; characterization for their physiological, microscopic and biochemical properties; and screening for TBG and RBB dye degradation. Soil samples collected around textile dye industry at Tiruppur, Tamil Nadu was used for isolation. Isolates obtained were identified on the basis of their physiological, morphological and biochemical properties as Streptomyces species. Being home-grown in nature, the isolated Streptomyces sp. presented significant ability to degrade TBG and RBB dyes. However precise identification requires further studies including molecular characterization.

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