Applied Energy 211 (2018) 28–40 Contents lists available at ScienceDirect Applied Energy journal homepage: www.elsevier.com/locate/apenergy An evaluation of anaerobic co-digestion implementation on New York State dairy farms using an environmental and economic life-cycle framework a,b c,e c,e d c,e,f J.G. Usack , L. Gerber Van Doren , R. Posmanik , R.A. Labatut , J.W. Tester , a,b,f, L.T. Angenent University of Tübingen, Center for Applied Geosciences, Tübingen, Baden-Württemberg 72074, Germany Cornell University, Department of Biological and Environmental Engineering, Ithaca, NY 14853, USA Cornell University, School of Chemical and Biomolecular Engineering, Ithaca, NY 14853, USA Pontiﬁcal Catholic University of Chile, Department of Hydraulic and Environmental Engineering, Santiago 7820436, Chile Cornell Energy Institute, Cornell University, Ithaca, NY 14853, USA Atkinson Center for a Sustainable Future, Cornell University, Ithaca, NY 14853, USA HIGHLIGHTS GR APHICAL A BSTRACT The life-cycle performance of 10 co- digestion substrates were compared. AD performance is sensitive to co- substrate properties and management strategy. High loading rates are economically favorable yet increase farm-level emissions. Co-digestion lowers total environ- mental impacts compared to manure- only digestion. Economic proﬁtability of the AD system is driven primarily by gate-fee revenue. ARTICLE I NFO ABSTRACT Keywords: Anaerobic digestion systems on dairy farms
Applied Energy – Elsevier
Published: Feb 1, 2018
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