Supply Chain Design of Used-Cooking Oil for Biofuel: A Case Study in Special Region of Yogyakarta
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Abstract
Biofuels have been seen as alternative fuels in response to the scarcity of fossil fuel sources. Biodiesel can be produced from industrial and municipal waste, such as used cooking oil as a substitute for fossil fuels. Indonesia's high cooking oil consumption provides an excellent opportunity for biofuel production. Due to the increased potential and availability of used cooking oil in the culinary industry, biofuel production from used cooking oils seems promising, particularly in areas where the culinary industry is dominant, such as in the Special Region of Yogyakarta, Indonesia. Supported by a pilot plant of biofuel production from used cooking oil, it implies the potential to upscale the production toward an industrial scale. Hence, supporting the production efficient and effective supply chain to support production is necessary. Since the sources of used cooling oil are scattered, designing the supply chain is challenging. The present paper proposes an optimized supply chain design to support biofuel production from the used cooking oils, including location, quantity, capacity, and material allocation. The Special Region of Yogyakarta was taken as a studied case. The Mixed Integer Linear Programming (MILP) model was developed and solved by a CPLEX optimizer. Results show that the potential depots are located in Danurejan, Depok, Jetis, Pengasih, and Playen, with four collection tanks, two small tanks with a capacity of 660 L/day in Danurejan and one medium tank in Depok-Sleman Progo with a capacity of 940 L/day. The total cost of the optimized supply chain is estimated to be IDR 3,047,280 /day for waste collection, transportation, vehicle, and biofuel plant costs.
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This work is licensed under a Creative Commons Attribution 4.0 International License.

This work is licensed under a Creative Commons Attribution 4.0 International License.
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