Abstract
Removal of Mixed Azo Dyes by a Moderately Alkaliphilic Bacterial Strain Isolated from Textile Effluent Contaminated Site
Highlights
Our biosphere is under constant threat from continuing environmental pollution
The results obtained from the present study showed that the isolated moderately alkaliphilic bacterial strain could decolourize the textile azo dyes (DB MR and DY SG) under aerobic conditions
Since the levels of wastes produced are increasing with the rise in the water pollutants that are often difficult and costly to treat, we can conclude that the usage of dye degrading bacteria to degrade dyes and reduce their toxicity is a cheaper, more efficient, environmentally friendly and less expensive method and may serve as a good alternative for dye removal from industrial wastewaters
Summary
Our biosphere is under constant threat from continuing environmental pollution. Impact on its atmosphere, hydrosphere and lithosphere by anthropogenic activities on air, water and land have a negative influence over biotic and abiotic components of the natural ecosystems. Textile wastewater is one of the most polluted of the wastewaters due to the lag large variety of dyes and chemical additions contained in it, which complicates further treatment of the textile wastewater. Azo dyes are mostly used in textile industry due to their extensive variety of colour shades and brilliant colours but they are recalcitrant xenobiotics. They are a common classification of dyes, accounting for between 60 - 80% of all dyes. This class of dyes gives off bold colours in a variety of hues [1]
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