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BioEnergy Research

, Volume 9, Issue 4, pp 1070–1086 | Cite as

An Olive Tree Pruning Biorefinery for Co-Producing High Value-Added Bioproducts and Biofuels: Economic and Energy Efficiency Analysis

  • J. M. Romero-García
  • A. Sanchez
  • G. Rendón-Acosta
  • J. C. Martínez-Patiño
  • E. Ruiz
  • G. Magaña
  • E. Castro
Article

Abstract

This work presents a conceptual design of an integrated biorefinery using olive tree pruning as feedstock. The biorefinery combines a state-of-the-art thermochemical technology for producing high value-added antioxidants with an energy self-sufficient biochemical platform for lignocellulosic ethanol production. These plants are integrated by exchanging energy and feedstock. The process and design parameters employed in the plant designs are based on the authors’ own lab and pilot-scale data. The paper discusses the economic dilemma of using this feedstock for producing high value-added products in small amounts versus producing large amounts of low-profit biofuels. The feasibility of this production strategy at medium scale is demonstrated via a techno-economic analysis based on total production cost for each co-product. Each plant is energy integrated, and the energy performance of the bioethanol plant is assessed by calculating the end-use-energy ratio. Both analyses are parameterized with respect to plant capacity (100–1500 t dry weight (dw)/day) and raw material price (20–100 €/ton dry weight).

Keywords

Olive tree pruning Integrated biorefinery Natural antioxidants Bioethanol Techno-economic analysis Conceptual design 

Notes

Acknowledgments

The authors wish to express their gratitude for partial financial support from Consejería de Economía, Innovación y Ciencia (Junta de Andalucía), Proyecto de Investigación de Excelencia AGR-6103, including JMRG scholarship, Campus de Excelencia Internacional Agroalimentario (ceiA3), and Banco Santander S.A. (“Becas Iberoamérica. Jóvenes Profesores e Investigadores, 2014. Santander Universidades”). Partial financial support is also acknowledged from the Mexican Council of Science and Technology (CONACYT), Bioenergy Thematic Network (“Red Temática de Bioenergía”), grant 260457, and the Energy Sustainability Fund 2014-05 (CONACYT-SENER), Mexican Bioenergy Innovation Centre, Bioalcohols Cluster (249564). Special thanks are due to Antonio Lama-Muñoz and Subproductos Vegetales del Mediterráneo, S.L. (Ctra. Isla Menor, s/n CP 41014 Bellavista, Seville, Spain) for their collaboration and advice. The feedback from the reviewers is also deeply appreciated.

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • J. M. Romero-García
    • 1
  • A. Sanchez
    • 2
  • G. Rendón-Acosta
    • 2
  • J. C. Martínez-Patiño
    • 1
  • E. Ruiz
    • 1
  • G. Magaña
    • 2
  • E. Castro
    • 1
  1. 1.Department of Chemical, Environmental and Materials Engineering, Agrifood Campus of International Excellence (ceiA3)Universidad de JaénJaénSpain
  2. 2.Centro de Investigación y de Estudios Avanzados (CINVESTAV)Unidad Guadalajara de Ingeniería AvanzadaZapopanMexico

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