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Bioresour Technol. 2017 Dec;245(Pt A):106-115. doi: 10.1016/j.biortech.2017.08.117. Epub 2017 Aug 20.

Co-ensiling of straw with sugar beet leaves increases the methane yield from straw.

Author information

1
Danish Technological Institute, Agro Food Park 15, DK-8200 Aarhus N, Denmark.
2
University of Southern Denmark, Department of Chemical Engineering, Biotechnology and Environmental Technology, Campusvej 55, DK-5230 Odense M, Denmark.
3
University of Southern Denmark, Department of Chemical Engineering, Biotechnology and Environmental Technology, Campusvej 55, DK-5230 Odense M, Denmark. Electronic address: jmt@kbm.sdu.dk.

Abstract

This study examined the effect of co-ensiling of wheat straw and sugar beet leaves on the biochemical methane potential (BMP) by both lab-scale and pilot-scale co-ensiling. BMP was increased by co-ensiling, and the increase ranged from 19 to 34% after 9months of co-ensiling in lab-scale and from 18 to 32% after 6months of co-ensiling in pilot-scale. No effluent run-off was found through pilot-scale co-ensiling and there was a mass loss of only 0.1%. The study demonstrates that co-ensiling of straw and green biomass has potential as biological pretreatment and for avoiding effluent run-off from pure beet leave silage.

KEYWORDS:

Anaerobic digestion; Biochemical methane potential; Biodegradability; Biogas; Biological pretreatment; Silage

PMID:
28892679
DOI:
10.1016/j.biortech.2017.08.117
[Indexed for MEDLINE]

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