Life cycle assessment (LCA) and exergetic life cycle assessment (ELCA) of the production of biodiesel from used cooking oil (UCO)

The paper assesses the life cycle of biodiesel from used cooking oil (UCO). Such life cycle involves 4 stages: 1) collection, 2) pre-treatment, 3) delivery and 4) transesterification of UCO. Generally, UCO is collected from restaurants, food industries and recycling centres by authorised companies. Then, UCO is pre-treated to remove solid particles and water to increase its quality. After that, it is charged in cistern trucks and delivered to the biodiesel facility to be then transesterified with methanol to biodiesel.

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