Exploring the Industrial Symbiosis Potential of Plant Factories during the Initial Establishment Phase

Heino Pesch () and Louis Louw
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Heino Pesch: Department of Industrial Engineering, Faculty of Engineering, Stellenbosch University, Stellenbosch 7600, South Africa
Louis Louw: Department of Industrial Engineering, Faculty of Engineering, Stellenbosch University, Stellenbosch 7600, South Africa

Sustainability, 2023, vol. 15, issue 2, 1-30

Abstract: Plant factories can be described as structures that facilitate the indoor cultivation of crops and are typically considered to be closed-loop (isolated) systems which are situated within the urban environment. This paper explores the extent to which external industries can be integrated with plant factories by defining an open-loop (integrated) plant factory system boundary. A multi-criteria decision-support process was developed and included the use of a mixed-indicator assessment method and the use of fuzzy Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) to account for the uncertainty associated with indicator-based assessment methods. The assessment of theoretical industrial symbiosis scenarios showed that the fuzzy TOPSIS ranking provided a clearer hierarchy of optimal scenarios, when compared to using the indicator rankings. The novelty of the paper included the clear illustration of the points of integration between plant factories and external industries, which can be used to identify alternative integration scenarios in the future. Furthermore, this paper provided detailed descriptions and motivations of the indicator scoring of theoretical industrial symbiosis scenarios so that the early phase assessment method can be used beyond the scope of this paper and can be expanded with more well-defined indicators in the future.

Keywords: urban agriculture; plant factory; industrial symbiosis; multi-criteria; decision-making; mixed indicators (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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