January 2022
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This chapter focuses on the eco-design of a low-impact environmental recovery plant to value brewery by-products for aquaculture feed ingredients. A Life Cycle Assessment methodology was used from the preliminary design steps for decision making considering different passive energy saving measures as well as material alternatives in order to reduce the impacts of the building. As a result, energy savings of 30% were achieved during operation phase. Moreover, LCA revealed that material production phase (A1–A3) yielded largest impacts in every category, ranging from 54% to 70%, followed by energy consumption during use phase (B6), which represented from 9% to 25% of the life cycle impacts depending on the environmental category. The impact of materials was analysed in depth in order to reduce as much as possible environmental impacts. A reduction higher than 20% was achieved in GWP, AP, ADP, OPC, and POCP while 5% in EP.