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  • 标题:Valorization of Agricultural Waste: Theoretical Estimation and Experimental Biomethane Yield from Cashew Nut Hulls
  • 本地全文:下载
  • 作者:Mahamadi Nikiema ; Marius K. Somda ; Joseph B. Sawadogo
  • 期刊名称:Journal of Sustainable Bioenergy Systems
  • 印刷版ISSN:2165-400X
  • 电子版ISSN:2165-4018
  • 出版年度:2020
  • 卷号:10
  • 期号:04
  • 页码:113-130
  • DOI:10.4236/jsbs.2020.104009
  • 语种:English
  • 出版社:Scientific Research Publishing
  • 摘要:Biomethane potential production from cashew nut hulls, an agricultural waste, was carried out using old and fresh hulls as substrates. Samples were taken from old hulls (around 8 years old) and fresh hulls produced in cashew scale transformation units at Bobo Dioulasso/Burkina Faso. Physicochemical parameters showed that cashew hulls can be a good candidate for anaerobic digestion. But high acidity, total phenols and lignin tenor could be a constraint for anaerobic bacteria. Theoretical biochemical methane potential showed high value of 666.937 CH4 L. (Kg VS)-1 and 526.206 CH4 L. (Kg VS)-1 for crushed fresh and powdered old hulls, respectively. Experimental biochemical methane potential showed significantly low potential of 1.982 CH4 L. (Kg VM)-1 and 46.840 CH4 L. (Kg VM)-1 for fresh and hold hulls, respectively. Pretreatment for optimization, chemical composition and co-digestion system must be expected for a better anaerobic digestion performance.
  • 关键词:Agricultural Waste;Cashew Shells;Anaerobic Digestion;Bio-Energy;Burkina Faso
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