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BIODEGRADATION OF TEXTILE DYES BY Anabaena flos-aqual

Keywords: biodegradation , textile dyes , cianobacteria

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Abstract:

The pollution caused by dumping of toxic waste into the environment has resulted in impairment of essential natural resources such as water. With population growth and industries, the generation of waste increases substantially. Specifically, about 3,000 were commercial dyes to be carcinogenic and have no longer been manufactured, but in third world countries such as Brazil, some of these dyes high commercial value, are still in use. This study aimed to evaluate the possibility of biodegradation of dyes technical Drim CL 2 R Yellow and Blue Drim CL R. We tested the ability of degradation of these dyes by the cyanobacteria blue-green algae Anabaena flos-aqual. For this, their effectiveness in the degradation was evaluated in terms of discoloration spectrophotometrically. The blue dye was greater than R Drim CL degradation rate compared to the yellow dye Drim CL 2R. The species Anabaena flos-aqual achieved high degradation efficiency compared to blue dye, revealing a high potential applicability in processes of textile biodegradations in the county of Americana.

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