Decolorization of azo dyes (Direct Blue 151 and Direct Red 31) by moderately alkaliphilic bacterial consortium

Add time:07/14/2019    Source:sciencedirect.com

Removal of synthetic dyes is one of the main challenges before releasing the wastes discharged by textile industries. Biodegradation of azo dyes by alkaliphilic bacterial consortium is one of the environmental-friendly methods used for the removal of dyes from textile effluents. Hence, this study presents isolation of a bacterial consortium from soil samples of saline environment and its use for the decolorization of azo dyes, Direct Blue 151 (DB 151) and Direct Red 31 (DR 31). The decolorization of azo dyes was studied at various concentrations (100–300 mg/L). The bacterial consortium, when subjected to an application of 200 mg/L of the dyes, decolorized DB 151 and DR 31 by 97.57% and 95.25% respectively, within 5 days. The growth of the bacterial consortium was optimized with pH, temperature, and carbon and nitrogen sources; and decolorization of azo dyes was analyzed. In this study, the decolorization efficiency of mixed dyes was improved with yeast extract and sucrose, which were used as nitrogen and carbon sources, respectively. Such an alkaliphilic bacterial consortium can be used in the removal of azo dyes from contaminated saline environment.

We also recommend Trading Suppliers and Manufacturers of Direct Red 31 (cas 5001-72-9). Pls Click Website Link as below: cas 5001-72-9 suppliers

Prev:Development of an ultra fast liquid chromatography–tandem mass spectrometry method for simultaneous determination of Cefazedone (cas 56187-47-4) and etimicin in beagle dog plasma: Application to the pharmacokinetic study of the combination of Cefazedone (cas 56187-47-4) and etimicin injections
Next:Optical application of Er-doped ZnO nanoparticles for photodegradation of direct red - 31 dye)