Orujo (olive waste)

Alpeorujo is the solid liquid waste generated by the new two-phase method of olive oil extraction.^[1]

Orujo is called the wet solid waste,^[2] which is generated by the traditional methods of extraction, based on presses, and the continuous three-phase decanting processes. The process generates additionally one stream of olive oil and two streams of wastes, the Orujo and an aqueous waste called alpechín.

^ Alburquerque, J.; Gonzálvez, J.; García, D.; Cegarra, J. (2003). "Agrochemical characterisation of "alperujo", a solid by-product of the two-phase centrifugation method for olive oil extraction". Bioresource Technology. 91 (2). Centro de Edafologı́a y Biologı́a Aplicada del Segura: 195–200. doi:10.1016/S0960-8524(03)00177-9. PMID 14592750.
^ Chrysovalantou, Nasioula. "Evaluation of the three-phase and two- phase olive oil extraction method" (PDF). National Technical University of Athens. Retrieved 6 June 2015.

[1] Alburquerque, J.; Gonzálvez, J.; García, D.; Cegarra, J. (2003). "Agrochemical characterisation of "alperujo", a solid by-product of the two-phase centrifugation method for olive oil extraction". Bioresource Technology. 91 (2). Centro de Edafologı́a y Biologı́a Aplicada del Segura: 195–200. doi:10.1016/S0960-8524(03)00177-9. PMID 14592750.

[2] Chrysovalantou, Nasioula. "Evaluation of the three-phase and two- phase olive oil extraction method" (PDF). National Technical University of Athens. Retrieved 6 June 2015.

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