Modeling Mushrooms’ Carbon Dioxide Emission and Heat Exchange Rates for Synergistic Cultivation with Leafy Greens

Marc-Antoine Meilleur (), Diane Bastien and Danielle Monfet
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Marc-Antoine Meilleur: Department of Mechanical Engineering, École de Technologie Supérieure, Montreal, QC H3C 1K3, Canada
Diane Bastien: Department of Technology and Innovation, University of Southern Denmark, 5230 Odense M, Denmark
Danielle Monfet: Department of Construction Engineering, École de Technologie Supérieure, Montreal, QC H3C 1K3, Canada

Sustainability, 2023, vol. 15, issue 24, 1-14

Abstract: The cultivation of mushrooms in controlled environments generates a significant amount of CO 2 as a by-product. This presents opportunities for carbon dioxide (CO 2 ) enrichment in leafy green production. This study aimed to develop a model for CO 2 emission and heat exchange rates that can be used to support the synergistic cultivation of mushrooms and leafy greens. This was achieved by aggregating data from literature with experimental data gathered in two different testing spaces. The average CO 2 emission and heat exchange rates for shiitake incubated at 21 °C were determined and a CO 2 emission rate model for mixed substrate in incubation was developed based on indoor temperature variations. The results indicated that oyster mushrooms have a notable CO 2 enrichment potential, twice that of shiitake in the incubation stage and five times more in fructification. Additionally, oyster mushrooms released a significant amount of heat during incubation. In contrast, shiitake mushrooms with their minimal heat exchange rate during incubation could offer an energy-efficient option for synergistic cultivation with leafy greens in environments where cooling is required year-round. Moreover, it was observed that the CO 2 emission rate of a full-scale incubation chamber is strongly correlated with indoor temperature. These findings offer valuable information for modeling the CO 2 emission and heat exchange rates of mushroom and leafy green farms.

Keywords: mushroom CO 2 emission rate; mushroom heat exchange; CO 2 enrichment; circular economy; sustainable agriculture (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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