Bioremediation Potential of Five Distinctive Microorganisms to Municipality Waste Effluent

Kumar, Ashok; Bisht, B. S.; Joshi, V. D.
February 2011
IUP Journal of Life Sciences;Feb2011, Vol. 5 Issue 1, p69
Academic Journal
The study was carried out to compare the potential of E. coli, Bacillus spp., Pseudomonas spp., Xanthomonas spp. and Streptomyces spp. by observing different water quality parameters over a time period of 30 days of each test. Chemical Oxygen Demand (COD) was observed to be as much as three times of Biological Oxygen Demand (BOD) in raw effluent. Maximum BOD and COD reduction was by Pseudomonas spp. (79% and 72%) and minimum by Bacillus spp. (45%). BOD and COD reductions were found to be 70%, 65%; 60%, 57%; and 59%, 55% by E. coli, Xanthomonas spp. and Streptomyces spp. respectively. The reduction in nitrate and phosphate was observed as 75% and 68% by Pseudomonas spp., 67% and 55% by E. coli, 65% and 62% by Xanthomonas spp., and 62% and 57% by Streptomyces spp. The least reduction was recorded in the case of Bacillus spp. The study concluded that Pseudomonas spp. was the most potential bioremediating agent.


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