Multicriteria Definition of Small-Scale Biorefineries Based on a Statistical Classification

Aicha Ait Sair, Kamal Kansou, Franck Michaud and Bernard Cathala
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Aicha Ait Sair: French National Institute for Agriculture, Food, and Environment—INRAE, 44300 Nantes, France
Kamal Kansou: French National Institute for Agriculture, Food, and Environment—INRAE, 44300 Nantes, France
Franck Michaud: Laboratoire Innovation Matériau Bois Habitat Apprentissage (LIMBHA), Ecole Supérieure du Bois, 7 Rue Christian Pauc, 44306 Nantes, France
Bernard Cathala: French National Institute for Agriculture, Food, and Environment—INRAE, 44300 Nantes, France

Sustainability, 2021, vol. 13, issue 13, 1-18

Abstract: Biorefineries have many possible designs and therefore, present varied benefits in regards to sustainable development. Evaluating these biorefineries is central for the domain, and, as small-scale biorefineries (SSB) are commonly opposed to the large ones, specifying the concept of scale of a biorefinery is essential as well. However, there is no consensual definition of the “scale”, and the meaning of the term changes with the context. This paper presents a methodology to specify the concept of scale by grouping various biorefineries processing lignocellulosic biomass according to factors related to feedstock, process, economy and mobility of the facility, without any predetermined pattern. Data from 15 operational biorefineries are analyzed using a multivariate analysis combined with a hierarchical clustering. The classification obtained categorizes biorefineries into four design classes: smallest, small, hybrid and large scale. Small-scale biorefineries are characterized by a small investment cost (less than 2 M€), a low processing capacity (less than 100 t/day) and a low process complexity, while the end-products’ added value is variable. The mobility of the plants is a sufficient, but not necessary, criterion to have a small-scale biorefinery. Finally, the designs of the investigated biorefineries can be explained by two main trade-offs: one between the mobility and the processing capacity-investment cost, and the other between the process complexity and the added value.

Keywords: scale; multicriteria analysis; biorefinery mobility; biorefinery design; lignocellulosic biomass; trade-off (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:gam:jsusta:v:13:y:2021:i:13:p:7310-:d:585389

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