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July 30, 2026EnergiesOpen Access

The Influence of Biochar Pretreatment on Cell Immobilisation and Biochar Augmentation During Anaerobic Digestion of Cellulose

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Authors

MAMunira AlateeqiVDValerie DupontLFLouise Fletcher

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Overview

Randomized trial investigates biochar pretreatment effects on methane production in anaerobic digestion, indicating its significant role in optimizing performance.

Key Points

  • This study aims to determine how biochar pretreatment impacts its performance in enhancing methane production during anaerobic digestion.
  • Pre-treated biochar from different feedstocks was applied in BMP tests at 0.25% (w/v).
  • Steam autoclaving was used for pretreatment to improve biochar's physicochemical characteristics.
  • Cell immobilisation experiments assessed microbial attachment on autoclaved biochars.
  • Autoclaved softwood biochar achieved the highest methane yield of 382.2 mL CH4 g−1 VS, increasing by 18.3% compared to non-pretreated SW550.
  • Autoclaved rice husk biochar markedly inhibited methane production.
  • Enhanced porosity and hydrophilicity of biochar facilitated better microbial colonisation and biofilm formation.

Cite This Study

Alateeqi et al. (2026) studied this question.

synapsesocial.com/papers/6a6af51160e2b924d3ea0be8https://doi.org/10.3390/en19153553
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