| Title | Industrial Symbiosis in Insect Production-A Sustainable Eco-Efficient and Circular Business Model |
|---|---|
| ID_Doc | 7164 |
| Authors | PhI, CPV; Walraven, M; Bézagu, M; Lefranc, M; Ray, C |
| Title | Industrial Symbiosis in Insect Production-A Sustainable Eco-Efficient and Circular Business Model |
| Year | 2020 |
| Published | Sustainability, 12, 24 |
| Abstract | Insect meal (IM) is a source of high-quality protein for aquafeed while insect oil (IO) is a source of fatty acids used in monogastric feed with identical or better performance than premium fishmeal (FM) or vegetable oils (VOs) respectively. Although insects' ability to feed on agricultural by-products and the entire valorization of insect products (IM, IO, frass) suggest insect production is sustainable, no studies have documented its environmental impact using industrial-scale production data. The present study is the first attributional life cycle assessment (A-LCA) based on data from an industrial-scale facility implementing an innovative symbiosis production model. This A-LCA was used to (i) assess the environmental performance of the symbiosis model vs. a no-symbiosis model and (ii) compare the environmental impacts of IM and IO production vs. their respective alternatives. The results revealed that the symbiosis model introduces a meaningful change in terms of environmental footprint by reducing CO2 emissions by 80% and fossil resources depletion by 83% compared to the no-symbiosis model. The higher sustainability of the IM and IO produced using the symbiosis model was also demonstrated, as CO2 emissions were reduced by at least 55% and 83% when compared to the best FM and VOs alternatives, respectively. |
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