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Pesquisa Operacional

versão impressa ISSN 0101-7438versão On-line ISSN 1678-5142


BA, Birome Holo; PRINS, Christian  e  PRODHON, Caroline. A GENERIC TACTICAL PLANNING MODEL TO SUPPLY A BIOREFINERY WITH BIOMASS. Pesqui. Oper. [online]. 2018, vol.38, n.1, pp.1-30. ISSN 0101-7438.

The supply chains which bring biomass to biorefineries play a critical role in biofuel production. Optimization models can help decision makers to design more efficient chains and minimize the cost of biomass delivered to the refineries. This article based on a French national research project on biomass logistics considers one refinery, able to process several crops and several parts of the same crop, over a one-year horizon divided into days or weeks. A network model and a data model are first developed to let the decision maker describe the supply chain structure and its data, without affecting the underlying mathematical model. The latter is a mixed integer linear program which combines for the first time various features, either original or tackled separately in the literature. Knowing the refinery demands, it determines the activity levels in the network (amounts harvested, baled, transported, stored, etc.) and the required equipment, in order to minimize a total cost including harvesting costs, transport costs and storage costs. Numerical evaluations based on real data show that the proposed model can optimize large supply chains in reasonable running times.

Palavras-chave : biomass; supply chain; modeling; optimization; mixed integer linear programming.

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