Economic sustainability of biogas production from animal manure: a regional circular economy model

Devrim Murat Yazan, Davide Cafagna, Luca Fraccascia, Martijn Mes, Pierpaolo Pontrandolfo and Henk Zijm

Management Research Review, 2018, vol. 41, issue 5, 605-624

Abstract: Purpose - This paper aims to understand the implementation of a circular economic business where animal manure is used to produce biogas and alternative fertilizer in a regional network of manure suppliers and biogas producers and to reveal the impacts of five variables (manure quantity, transportation distance, manure dry content, manure price and manure discharge price) on the economic sustainability of manure-based biogas supply chains. Design/methodology/approach - An enterprise input-output approach is used to model physical and monetary flows of the manure-based biogas supply chain. Computational experiments are performed on all variables to identify under which conditions the cooperation is beneficial for all actors. Findings - The cooperation is profitable for a large-scale farm (>20,000 t/year) if biogas producer (b) pays farmer (f) to receive its manure (5 €/t) or iffsells manure for free and manure disposal costs are >10 €/t. Cooperation is always profitable forbiffpaysbto supply its manure (5€/t). Ifbreceives manure for free, benefits are always positive ifbis a medium-large-scale plant (>20,000 t/year). For a small-scale plant, benefits are positive if manure dry content (MDC) is ≥12 per cent and transportation distance is ≤10 km. Originality/value - The paper adds value to the biogas production research, as it makes holistic analysis of five variables which might change under different policy and geographical conditions. The investors in biogas production, suppliers and transportation companies can find correspondence to empirical findings for their own site-specific cases.

Keywords: Supply chain; Circular economy; Manure; Business ethics and sustainability; Input-output model; Biogas production; Circular business models; Sustainable bioenergy (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:eme:mrrpps:mrr-02-2018-0053

DOI: 10.1108/MRR-02-2018-0053

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