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May 24, 2026Bioresource Technology0 citationsOpen Access

Technical, environmental, and economic assessment of anaerobic digestion of pre-treated municipal organic waste for energy production and reuse of liquid digestate

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ABAlice BoarinoFDF. DemichelisAEAndrea Ertani

Key Points

  • This research investigates the effects of different pre-treatments on biogas production and the environmental and economic aspects of anaerobic digestion.
  • Evaluated physical and enzymatic pre-treatments on municipal organic waste.
  • Conducted hydrodynamic cavitation to enhance scalability of anaerobic digestion at pilot scale.
  • Performed life cycle assessment (LCA) and economic analysis of digestate reuse.
  • Physical and enzymatic pre-treatments increased biogas and methane yields significantly.
  • The digestate liquid fraction supported L. sativum growth as effectively as mineral fertilizers.
  • Economic analysis revealed that physical pre-treatment was the most cost-effective method.

Abstract

• Physical and enzymatic pre-treatments of OFMSW increased biogas and methane yields. • Hydrodynamic cavitation allowed greater scalability of AD at the pilot scale. • Digestate liquid fraction was as efficient as mineral control in L. sativum growth. • LCA highlighted nutrient addition to digestate as the main environmental hotspot. • Economic analysis identified the physical pre-treatment as the most cost-effective.

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Cite This Study

Boarino et al. (2026) studied this question.

synapsesocial.com/papers/6a12969d48a0ea1665673918https://doi.org/10.1016/j.biortech.2026.134957
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