Valorization of spent coffee ground with wheat or miscanthus straw: Yield improvement by the combined conversion to mushrooms and biomethane

Awedem Wobiwo, Florent;Ercoli Balbuena, Jorge-Luis;Nicolay, Thomas;Larondelle, Yvan;Gerin, Patrick
(2018) Energy for Sustainable Development : the journal of the international energy initiative — Vol. 45, p. 171-179 (2018)

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Abstract
Highlights • Spent coffee ground was valorized by fungal digestion (FD) and anaerobic digestion. • FD dissipated 20% of the substrate COD, to recover 5% as edible carpophores. • Anaerobic digestion (AD) recovered 50% of substrate COD as biomethane (CH4). • FD decreased the amount of organic matter available but maintained its digestibility. • Cascade conversion by FD + AD offered a best economic conversion of the substrate.
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Awedem Wobiwo, F., Ercoli Balbuena, J.-L., Nicolay, T., Larondelle, Y., & Gerin, P. (2018). Valorization of spent coffee ground with wheat or miscanthus straw: Yield improvement by the combined conversion to mushrooms and biomethane. Energy for Sustainable Development : the journal of the international energy initiative, 45, 171-179. https://doi.org/10.1016/j.esd.2018.06.012 (Original work published 2018)