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has been cited by the following article:

• TITLE: Valorization of Agricultural Waste: Theoretical Estimation and Experimental Biomethane Yield from Cashew Nut Hulls

  AUTHORS: Mahamadi Nikiema, Marius K. Somda, Joseph B. Sawadogo, Dayéri Dianou, Alfred S. Traoré, Aboubakar S. Ouattara

  KEYWORDS: Agricultural Waste, Cashew Shells, Anaerobic Digestion, Bio-Energy, Burkina Faso

  JOURNAL NAME: Journal of Sustainable Bioenergy Systems, Vol.10 No.4, December 17, 2020

  ABSTRACT: 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.