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Anaerobic co-digestion of grass and forbs – Influence of cattle manure or grass based inoculum Organic Eprints
Cong, W.-F.; Moset, V.; Feng, L.; Møller, H.B.; Eriksen, J..
Anaerobic co-digestion of agricultural by-products or wastes with complementarity characteristics is commonly used to enhance methane yield. This study firstly explores the possibility of co-digesting grass and forb species (white clover, chicory and plantain) differing in nutrient composition in enhancing methane yield. This was examined with two inocula (a cattle manure-based inoculum and a grass-based inoculum) in a batch assay. Results showed that co-digesting grass and forbs synergistically enhanced methane yield potential on average by 31 L kg−1 volatile solids (+11%) and reduced lag phase time by 0.8 day in the grass-based inoculum, but not in the cattle manure-based inoculum. Mixtures containing plantain showed more consistent synergistic effect...
Tipo: Journal paper Palavras-chave: Crop combinations and interactions; Nutrient turnover.
Ano: 2018 URL: http://orgprints.org/34980/1/1-s2.0-S0961953418302320-main.pdf
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