Visualization supported corporate decision making for life cycle sustainability assessment – Illustrated using a case study for selecting a sustainable packaging system for self-leveling compounds
2021
Müller, Daniel Philipp | Hiete, Michael
Product life cycle assessment (LCA) and sustainability assessment have proven as powerful methods to identify sustainability hotspots and support decision making. In practice, corporate decision support is often hampered by the complexity resulting from the three sustainability dimensions and inherent uncertainties. In this study, a novel a posteriori visualization is presented, based on the concept of satisficing or similarly sustainable alternatives integrating scenarios to account for different use options. This allows the decision makers (DMs) including management-relevant information in their decision while selecting a satisficing alternative. The presented approach supports consensus building among DMs with differing weighting preferences for the three pillars of sustainability as common in life cycle sustainability assessment (LCSA) and leads to a consensus in product selection for relevant scenarios. This also supports the selection of more robust alternatives under a variety of use cases compared to the common focus on best performing alternatives for a particular use case.For illustration, a case study of a self-leveling compound (mortar) manufacturer interested in selecting a sustainable packaging system for a variety of different use cases is presented. Paper bags, flexible intermediate bulk container, one-way cardboard container and a pumping truck, all used with different machinery, are evaluated under several scenarios. Using first-hand field data, this case study shows how the proposed visualization supports consensus building among DMs. The case study shows that in 87% of all scenarios the use of the 25 kg paper bag in combination with a mixing drum and cart resulted as a satisficing sustainable alternative.
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