Abstract
Bioremediation is used to remove toxic environmental waste to nontoxic waste from polluted environment. Bioremediation is the waste management technique with help of isolated microbial stains to neutralize the pollutants from contaminated sites. The primary objective of this study is to find the metal tolerance and biosorption capacity of two microbes isolated that is, Bacillus subtilis and Deinococcus radiouranus in the removal of heavy Metals (Zn, Pb, and Mg). Metal tolerance test was done by using MIC test. The soil sample was taken out from the different intervals of time and analyzed by AAS. Bio-sorption of Bacillus was slightly higher than the bio-sorption of D. radiouranus. Bacillus was able to accumulate 99.39% of Zn, 67.63% of Mg and 99.98% of Pb from the contaminated soil. The Deinococcus was able to accumulate 97.21% of Zn, 79.77% of Mg and 99.9% of Pb from the contaminated soil. Bacillus was more efficient in the removal of Zn and Pb whereas D. radiouranus was more helpful in the removal of Mg but slightly less accumulated Zn and Pb compared to Bacillus.
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