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Supply Chain Analysis and Process Evaluation for Advancing Sustainable Material Recovery from Post-Consumer Waste
Citation:
Ruiz-Mercado, G., A. Sampat, AND V. Zavala. Supply Chain Analysis and Process Evaluation for Advancing Sustainable Material Recovery from Post-Consumer Waste. AIChE Annual Meeting, Pittsburgh, PA, October 28 - November 02, 2018.
Impact/Purpose:
This poster presentation and abstract describe a supply chain framework to analyze different technology deployment and incentive strategies for the conversion of post-livestock organic waste to value-added products and nutrient recovery. The proposed framework allows stakeholders to conduct systematic studies on the effect of multiple objectives for decision-making as needed for SHC Decision Science and Support Tools project.
Description:
This work presents a supply chain design framework to conduct simultaneous economic and environmental analysis of post-livestock organic material to value-added products under different government incentive scenarios . In addition, this contribution describes a process evaluation from a sustainability perspective by applying some GREENSCOPE indicators to the recovery technologies as a gate-to-gate sustainable objective function in which the four GREENSCOPE target areas (i.e., efficiency, energy, economics, and environment) are evaluated. The material management and process evaluation frameworks are applied to a case study for dairy farms in the State of Wisconsin (U.S.). The analysis reveals the best strategy to manage waste is to synergize the deployment of technologies that conduct simultaneous recovery of liquefied biomethane and nutrients. The selection of a suitable supply chain configuration for advancing the sustainable management of post-consumer waste is a complex decision-making process that is highly dependent on the spatial locations of the waste and technology placement, management technology, the destination of products, geographical prioritization, and on local economic (market) and policy conditions. In addition, providing a process performance evaluation is an essential first step towards a holistic sustainability analysis, with social, economic, and environmental implications.