A Multi-Objective, Hub-and-Spoke Supply Chain Design Model For Densified Biomass
In this paper we propose a model to design the supply chain for densified biomass. Rail is typically used for long-haul, high-volume shipment of densified biomass. This is the reason why a hub-and-spoke network structure is used to model this supply chain. The model is formulated as a multi-objective, mixed-integer programing problem under economic, environmental, and social criteria. The goal is to identify the feasibility of meeting the Renewable Fuel Standard (RFS) by using biomass for production of cellulosic ethanol. The focus in not just on the costs associated with meeting these standards, but also exploring the social and environmental benefits that biomass production and processing offers by creating new jobs and reducing greenhouse gas (GHG) emissions. We develop an augmented ?-constraint method to find the exact Pareto solution to this optimization problem. We develop a case study using data from the Mid-West. The model identifies the number, capacity and location of biorefineries needed to make use of the biomass available in the region. The model estimates the delivery cost of cellulosic ethanol under different scenario, the number new jobs created and the GHG emission reductions in the supply chain.
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- Conference: IIE Annual Conference & EXPO 2014,Montreal , Canda,05/31/2014,06/03/2014
- Research Org:
- Idaho National Laboratory (INL)
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- Country of Publication:
- United States
- 09 BIOMASS FUELS Augmented e-constraint method; Densified biomass; Hub-and-spoke; Multi-objective; Rail transportation
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