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September 5, 2025EnergiesOpen Access

Food Waste Bioconversion Features Depending on the Regime of Anaerobic Digestion

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Authors

MCMarta CieślikALAndrzej LewickiWCWojciech Czekała

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Overview

This study compares mesophilic and thermophilic anaerobic digestion for food waste, revealing key methane yield differences.

Key Points

  • Peak methane yields were observed with thermophilic anaerobic digestion, producing 0.63–5.48% more methane than mesophilic processes.
  • Anaerobic digestion process stability decreased at organic loading rates of 3.0 and 4.0 for thermophilic and mesophilic reactors, respectively.
  • Daily measurements indicated significant changes in volatile fatty acids and pH during the stability and collapse phases of digestion.
  • While thermophilic systems yielded higher methane, they were more vulnerable to destabilization from intermediate metabolite buildup.

Cite This Study

Cieślik et al. (2025) studied this question.

synapsesocial.com/papers/68c238d2b210217d64778e5bhttps://doi.org/10.3390/en18174567
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