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PERFORMANCE AND MICROBIAL COMMUNITY ANALYSIS OF DRY ANAEROBIC CODIGESTION OF RICE STRAW AND COW MANURE WITH

PERFORMANCE AND MICROBIAL COMMUNITY ANALYSIS OF DRY ANAEROBIC CODIGESTION OF RICE STRAW AND COW MANURE WITH

BIBLIOTECA - Trabalhos Acadêmicos
  • 3 horas de carga horária
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  • Última atualização 29/06/2023
  • 1 arquivo para download

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TÍTULO

PERFORMANCE AND MICROBIAL COMMUNITY ANALYSIS OF DRY ANAEROBIC CODIGESTION OF RICE STRAW AND COW MANURE WITH ADDED LIMONITE


DOCUMENTO - ARTIGO CIENTÍFICO 


AUTORES - LIFENG XU, SHUCHUAN PENG, DINGSHUO DONG, CHEN WANG, WENRUNI FAN, YONG CAO, FEN HUNG, JIN WANG, ZHENGBO YUE


RESUMO/ABSTRACT

Dry anaerobic digestion is a promising technology for recovering energy from agricultural waste. The aim of this study was to investigate the effect of limonite on the dry anaerobic co-digestion of rice straw and cow manure. The maximum methane generation rates were found to increase by 30.5 ± 2.2%, 20.5 ± 1.9%, and 18.7 ± 1.8% in the reactors with limonite concentrations of 1%, 5% and 10%, respectively. The methane yield was also improved by the addition of limonite. This effect was attributed to the ability of limonite to enhance the degradation efficiency of soluble organic metabolites. The efficiency of crude protein degradation was 38.1 ± 6.6%–45.9 ± 6.0% with limonite addition, which was significantly higher than the value of 26.2 ± 3.7% in the control. The abundance of microorganisms associated with protein or amino acid decomposition increased with limonite addition. Hydrogen-consuming methanogenesis by Methanofollis was dominant in the reactors.

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Profissionais, estudantes e interessados na cadeia do biogás e, atuantes nas diversas áreas, etapas de projetos ou operação na produção de biogás.

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  • PERFORMANCE AND MICROBIAL COMMUNITY ANALYSIS OF DRY ANAEROBIC CODIGESTION OF RICE STRAW AND COW MANURE WITH ADDED LIMONITE

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PERFORMANCE AND MICROBIAL COMMUNITY ANALYSIS OF DRY ANAEROBIC CODIGESTION OF RICE STRAW AND COW MANURE WITH

  • 3 horas de carga horária
  • 1 aula
  • 1 módulo de conteúdo
  • Última atualização 29/06/2023
  • 1 arquivo para download

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