In the global push for sustainability, the efficient use of resources is paramount. A recent study from the University of Palermo [38.1°N,13.4°E] provides an innovative framework for transforming biomass-based energy supply chains (BSCs) into models of sustainability and circularity. By integrating advanced decision-making tools with life cycle thinking, the research offers actionable solutions to reduce waste, enhance resource efficiency, and minimise environmental impacts.
The Challenge: Making Biomass Truly Sustainable
Biomass energy is often heralded as a renewable solution, but inefficiencies in its supply chains can undermine its sustainability. Waste generation, resource depletion, and social inequities are common challenges. Addressing these requires not only optimising individual processes but also rethinking entire systems to align with the principles of the circular economy.
The Solution: A Comprehensive Assessment Tool
The researchers developed a tool combining Life Cycle Thinking (LCT) and Multi-Criteria Decision-Making (MCDM) methodologies. This tool evaluates 49 key indicators across environmental, economic, social, and circularity dimensions. By applying this model to a case study of rice straw supply chains in Italy, the study identified pathways to significantly improve sustainability.
Real-World Impacts
Among the five scenarios assessed, the most sustainable involved extending the lifespan of digestate—a by-product of anaerobic digestion. Using digestate as a bio-fertiliser reduced waste and enhanced the economic viability of the supply chain. Conversely, alternatives like capturing CO₂ for microalgae cultivation, while innovative, proved less sustainable when evaluated holistically.
Important Implications
This research equips policymakers and businesses with a tool to make data-driven decisions that balance environmental benefits, economic gains, and social equity. The principles and strategies outlined are not just applicable to biomass but offer insights for supply chains across industries. As the world moves towards a greener future, integrating such comprehensive tools into decision-making could ensure that renewable solutions truly live up to their promise.
Source
Sustainability and circularity assessment of biomass-based energy supply chain, Heliyon Energy, 2024-10-15
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