| Title | Developing an environmental assessment framework for an insect farm operating in circular economy: The case study of a Montre |
|---|---|
| ID_Doc | 2955 |
| Authors | Paris, N; Fortin, A; Hotte, N; Zadeh, AR; Jain, S; Hénault-Ethier, L |
| Title | Developing an environmental assessment framework for an insect farm operating in circular economy: The case study of a Montre |
| Year | 2024 |
| Published | |
| Abstract | The concept of a circular food economy, particularly through insect farming using food waste, has gained increasing attention in recent years. This approach holds the potential to reduce the environmental impacts of food production by repurposing food waste as insect feed, while simultaneously offering an alternative source of protein. Although the environmental advantages of insect farming are well established, limited research exists on insect farming in colder regions with cleaner grid electricity, such as Quebec, Canada. In this paper, a framework is developed to evaluate the greenhouse gas emissions of a mealworm farm within a circular economy context. The benefits of circular economy practices are assessed through multiple different feed acquisition scenarios (virgin feed and feed diverted from composting, anaerobic digestion, and landfilling). Furthermore, the benefits of mealworm farming are assessed through a comparative analysis with other sources of protein. The framework consists of five stages: feed acquisition, transformation, heating, transportation, and fertilizer production. The results show that farming mealworms using virgin feed emits +14.94 Kg CO2eq/Kg protein. However, using diverted food waste as feed eliminates the need for conventional waste management and leads to a reduction of greenhouse gas emissions of -1.54, -2.48, and -16.39 Kg CO2eq/Kg protein for food waste diverted from composting, anaerobic digestion, and landfilling, respectively. This study highlights that mealworm farming with virgin feed generates lower greenhouse gas emissions compared to beef and pork and is on par with chicken production. Overall, this study demonstrates the environmental superiority of mealworm farming, whether or not food waste is utilized, in a Canadian context. |
| https://doi.org/10.1016/j.jclepro.2024.142450 |
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