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Evaluation of biogas production from different biomass wastes with/without hydrothermal pretreatment

Author

Listed:
  • Qiao, Wei
  • Yan, Xiuyi
  • Ye, Junhui
  • Sun, Yifei
  • Wang, Wei
  • Zhang, Zhongzhi

Abstract

Municipal biomass waste is regarded as new available energy source, although it could cause serious environmental pollution. Generally, biogas recovery by anaerobic digestion was seen as an ideal way to treat biomass waste. Different types of biomass waste have different biogas production potential. In this paper, cow manure, pig manure, municipal sewage sludge, fruit/vegetable waste, and food waste were chosen as typical municipal biomass waste. In addition, hydrothermal pretreatment was used to accelerate digestion and increase biogas production. Biochemical methane potential (BMP) test was used to evaluate biogas production for raw biomass and hydrothermal treated waste. Raw materials of fruit/vegetable and food waste show higher methane production than that of cow manure, pig manure, and municipal sewage sludge. After hydrothermal pretreatment at typical condition (170 °C at 1 h), the biogas production of pig manure, cow manure, fruit/vegetable waste, and municipal sewage sludge increased by 7.8, 13.3, 18.5, and 67.8% respectively. While, for treated food waste, the biogas decrease by 3.4%. The methane yield of pig manure, fruit/vegetable waste, and municipal sewage sludge increased by 14.6, 16.1, and 65.8%, respectively. While, for treated cow manure and food waste, the methane decrease by 6.9% and 7.5%.

Suggested Citation

  • Qiao, Wei & Yan, Xiuyi & Ye, Junhui & Sun, Yifei & Wang, Wei & Zhang, Zhongzhi, 2011. "Evaluation of biogas production from different biomass wastes with/without hydrothermal pretreatment," Renewable Energy, Elsevier, vol. 36(12), pages 3313-3318.
    • Handle: RePEc:eee:renene:v:36:y:2011:i:12:p:3313-3318
    DOI: 10.1016/j.renene.2011.05.002
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