Abstract
Experiments were carried out to isolate Hexavalent chromium reducing bacterial cultures (Staphylococcus aureus, Escherichia coli and Pseudomonas aeruginosa) from the sludge of leather industry collected from Ranipet industrial area and its ability to reduce hexavalent chromium to trivalent chromium was performed. Different parameters such as inoculum volume, optimum temperature, medium, and pH were studied for efficient reduction of chromium (VI) by using the isolated organisms. The isolates were tested for the tolerance to different heavy metals; the three isolates were subjected to antibiotic sensitivity test and Minimum Inhibitory Concentration test.
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