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Decolorization of Azo Dye by Bacillus mesophilus

	International Journal of Scientific Research and Engineering Development (IJSRED)	Full Text:
	Published Issue : Volume-3 Issue-5
	Year of Publication : 2020
	Unique Identification Number : IJSRED-V3I5P100
	Authors :Hemanth Kumar R, Ugamoorthi R, Dr.Ramarethinam S
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Abstract :

Azo dyes are more harmful and it’s against biodegradation, causing environmental problems. Based on the suitable environmental conditions, microorganisms will convert dyes to non-coloured products or mineralize the solution. In this current study the azo dye reactive red (RED ECO) was selected for decolorization by Bacillus mesophilus. The parameters optimization of dye decolorization was studied under shaking condition. Decolorization rate was monitored by spectrophotometry under different conditions. TheReactive red decolorization by Bacillus was found to be 93% at 250mg/L within 48 hours in shaking condition. The optimum temperature and pH for decolorization was30-35oC and 9.0 respectively. The results suggest that the isolated organism Bacillus mesophilus has the potential activity to degrade the effluents which contains the reactive dyes.