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Effect of sulfamethazine on anaerobic digestion of manure mediated by biochar

Yangkai Zhang, Liu Cao, Haibin Fu, Min Zhang*, Jun Meng*, Jalal T. Althakafy, Hala M. Abo-Dief, Salah M. El-Bahy, Yushun Zhang, Huanhuan Wei, Ben Bin Xu, Zhanhu Guo

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    22 Citations (Scopus)
    17 Downloads (Pure)

    Abstract

    Antibiotic contamination from animal production and wastewater treatment process will release antibiotic resistant genes to the environment and potentially threaten human health. Meanwhile, the residual antibiotic in manure could have inactive impacts on anaerobic digestion (AD). This study explores the effect of sulfamethazine on manure AD mediated by biochar. The results show that biochar weakens the adverse effects of sulfamethazine on AD by adsorption sulfamethazine during the initial stage (0-3 days) of AD and promoting the growth of hydrolytic bacteria (especially Firmicutes and Bacteroidetes) and methanogens (especially Methanothrix and Methanosarcina). Besides, the presence of biochar improves the biogas production capacity of AD and promotes microbial diversity and community richness. Thus, the addition of biochar greatly reduces sulfamethazine and is testified to be a desirable strategy to mitigate the inhibition of sulfamethazine on AD.
    Original languageEnglish
    Article number135567
    Number of pages11
    JournalChemosphere
    Volume306
    Early online date2 Jul 2022
    DOIs
    Publication statusPublished - 1 Nov 2022

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 3 - Good Health and Well-being
      SDG 3 Good Health and Well-being
    2. SDG 6 - Clean Water and Sanitation
      SDG 6 Clean Water and Sanitation

    Keywords

    • Biochar
    • Anaerobic digestion
    • Microbial diversity
    • Antibiotic

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