Acidogenesis of dairy wastewater at various pH levels.

  title={Acidogenesis of dairy wastewater at various pH levels.},
  author={Huoran Yu and Herbert H. P. Fang},
  journal={Water science and technology : a journal of the International Association on Water Pollution Research},
  volume={45 10},
Continuous experiments were conducted to study the influence of pH in the range 4.0-6.5 on the acidification of dairy wastewater at 37 degrees C with 12 hours of hydraulic retention in an upflow reactor. Results showed that degradation of dairy pollutants increased with pH from pH 4.0 to 5.5. At pH 5.5, 95% of carbohydrate, 82% of protein and 41% of lipid were degraded. Based on chemical oxygen demand (COD), 48.4% of dairy pollutants were converted into volatile fatty acids and alcohols in the… CONTINUE READING


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