Comparative assessment of single-stage and two-stage anaerobic digestion for the treatment of thin stillage.

@article{Nasr2012ComparativeAO,
  title={Comparative assessment of single-stage and two-stage anaerobic digestion for the treatment of thin stillage.},
  author={Noha Nasr and Elsayed Elbeshbishy and Hisham M Hafez and George Nakhla and Mohamed H El Naggar},
  journal={Bioresource technology},
  year={2012},
  volume={111},
  pages={122-6}
}
A comparative evaluation of single-stage and two-stage anaerobic digestion processes for biomethane and biohydrogen production using thin stillage was performed to assess the impact of separating the acidogenic and methanogenic stages on anaerobic digestion. Thin stillage, the main by-product from ethanol production, was characterized by high total chemical oxygen demand (TCOD) of 122 g/L and total volatile fatty acids (TVFAs) of 12 g/L. A maximum methane yield of 0.33 L CH(4)/gCOD(added) (STP… CONTINUE READING

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