Abstract
From the results of in vitro studies carried out on wastewater from a stabilization pond it can be concluded that pH values close to 9, as a single factor, do not play any essential role in the die-off of fecal coliform bacteria. The percentage of elmination that occurs in pond water inoculated with 1.1×1010 cells of E. coli mL−1 where the pH is maintained at 8.2 (original pH) is 99.997%, a much greater reduction than that observed (94.1%) in distilled water inoculated with the same concentration of E. coli and where pH is increased up to 9.
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Fernández, A., Tejedor, C. & Chordi, A. Influence of pH on the elimination of fecal coliform bacteria in waste stabilization ponds. Water Air Soil Pollut 63, 317–320 (1992). https://doi.org/10.1007/BF00475498
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DOI: https://doi.org/10.1007/BF00475498