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Selective Catalytic Hydrogenation of Vegetable Oils over Copper-Based Catalysts Supported on Amorphous Silica

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Listed:
  • Umberto Pasqual Laverdura

    (Dipartimento di Tecnologie Energetiche e Fonti Rinnovabili, ENEA Centro di ricerche Casaccia, Via Anguillarese 391, Santa Maria di Galeria, 00123 Roma, Italy)

  • Leucio Rossi

    (Department of Physical and Chemical Sciences, University of L’Aquila, Via Vetoio Snc, 67100 L’Aquila, Italy)

  • Claire Courson

    (Institute of Chemistry and Processes for Energy, Environment and Health, University of Strasbourg, ECPM, 25 Rue Becquerel, CEDEX 2, 67087 Strasbourg, France)

  • Antonio Zarli

    (NextChem S.p.A., Via di Vannina, 88/94, 00156 Roma, Italy)

  • Katia Gallucci

    (Department of Industrial and Information Engineering and Economics, University of L’Aquila, Piazzale E. Pontieri 1–Loc. Monteluco di Roio, 67100 L’Aquila, Italy)

Abstract

This work aims to study the selective catalytic hydrogenation of vegetable oils to maximize oleic acid content and expand the range of non-edible uses. Oleic acid (C18:1) is suitable for use as a biodegradable lubricant and is a building block in producing polymers and plastics from renewable resources. The challenge is the synthesis of heterogeneous catalysts, allowing for a maximum yield of C18:1 and low formation of the corresponding saturated acid (stearic acid). New copper-based catalysts on silica were synthesized via two synthesis methods: hydrolysis precipitation and ammonia-evaporation. Experimental tests were carried out at a lab scale operating in a semi-batch mode. The best conversion reached 90% for C18:3 and 80% for C18:2 HP Cu-silica catalyst results, the best candidate for an industrial case study. Good results were obtained in the selectivities of oleic acid production and cis/trans isomers ratio. The modified return on the investment of the designed hydrogenation plant provides the revenues of the capital costs in less than one year.

Suggested Citation

  • Umberto Pasqual Laverdura & Leucio Rossi & Claire Courson & Antonio Zarli & Katia Gallucci, 2023. "Selective Catalytic Hydrogenation of Vegetable Oils over Copper-Based Catalysts Supported on Amorphous Silica," Energies, MDPI, vol. 16(20), pages 1-27, October.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:20:p:7201-:d:1265107
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    References listed on IDEAS

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    1. Mark E. Davis, 2002. "Ordered porous materials for emerging applications," Nature, Nature, vol. 417(6891), pages 813-821, June.
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