| Title | Optimising sustainability: Circular pathways for Scotch Whisky distillery co-products |
|---|---|
| ID_Doc | 24007 |
| Authors | Duffy, C; Styles, D; Schestak, I; Macgregor, K; Jack, F; Henn, D; Black, K; Iannetta, PPM |
| Title | Optimising sustainability: Circular pathways for Scotch Whisky distillery co-products |
| Year | 2023 |
| Published | |
| Abstract | The use of co-products for animal feed can potentially have a higher greenhouse gas (GHG) emission and water scarcity offset compared to bio-energy (bio-electricity/fuel) production. We cluster 136 Scotch Whisky distill-eries and evaluate the co-product pathways for the production of animal-feed and/or bio-energy at centralised processing facilities. Production of animal feed, and the subsequent displacement of imported animal feed, offered the most significant GHG offset, which was between a factor of c.a. 2.5 to 8 times greater than the bio-electricity/fuel and bio-energy/feed scenarios. This offers significant potential from a global net-zero carbon emissions perspective. However, this comes at a cost to local energy security potential. Bio-electricity produced in the electricity intensive scenarios was 481 GWh per year. This would significantly increase Scotland's bio-energy production and equates to c.a. 5% of Scotland's non-commercial electricity needs. |
| https://doi.org/10.1016/j.jclepro.2023.136436 |
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