Robust optimization of sustainable food supply chain network considering food waste valorization and supply uncertainty

易腐性 持续性 食物垃圾 供应链 环境经济学 业务 稳健优化 供应链网络
作者
Ramesh Krishnan,K. Arshinder,Renu Agarwal
出处
期刊:Computers & Industrial Engineering [Elsevier BV]
卷期号:171: 108499-108499 被引量:7
标识
DOI:10.1016/j.cie.2022.108499
摘要

• A multi objective MILP model is proposed to optimise the perishable FSC network. • Economic, environmental and social dimensions of sustainability are modelled. • Waste recovery plant for valorising food waste is modelled as one of the entities. • Proposed model is applied to the real case of processed mango fruit supply chain. • Robust optimisation approach is used to capture the impact of supply uncertainty. Increasing pressure from customer expectations to government regulation for sustainable food products warrants research in the sustainable food supply chain (FSC). One-third of the food produced is wasted, despite the potential to valorize food wastes. Additionally, the uncertainty associated with the supply of food products has a significant impact on the FSC decisions, steering the need for robust and sustainable models. Lastly, the issue of food perishability is missing in most optimization models. In line with the gaps identified, this study presents an integrated robust multi-objective optimization model for designing the FSC network considering all three dimensions of sustainability (economic, social and environment), whilst including FSC perishability, food waste valorization and supply uncertainty simultaneously. The proposed model is applied to a real-time case of the Indian mango pulp supply chain and yields several insights for transforming the FSC towards sustainability. This study shows the impact of focusing only on one dimension of sustainability on the other dimensions and the trade-offs among sustainability dimensions which would help the decision-maker select an appropriate non-dominated solution that aligns with the organization's sustainability goals.
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