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Diethyl Ether as an Oxygenated Additive for Fossil Diesel/Vegetable Oil Blends: Evaluation of Performance and Emission Quality of Triple Blends on a Diesel Engine

Author

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  • Laura Aguado-Deblas

    (Departamento de Química Orgánica, Universidad de Córdoba, Campus de Rabanales, Ed. Marie Curie, 14014 Córdoba, Spain)

  • Jesús Hidalgo-Carrillo

    (Departamento de Química Orgánica, Universidad de Córdoba, Campus de Rabanales, Ed. Marie Curie, 14014 Córdoba, Spain)

  • Felipa M. Bautista

    (Departamento de Química Orgánica, Universidad de Córdoba, Campus de Rabanales, Ed. Marie Curie, 14014 Córdoba, Spain)

  • Diego Luna

    (Departamento de Química Orgánica, Universidad de Córdoba, Campus de Rabanales, Ed. Marie Curie, 14014 Córdoba, Spain)

  • Carlos Luna

    (Departamento de Química Orgánica, Universidad de Córdoba, Campus de Rabanales, Ed. Marie Curie, 14014 Córdoba, Spain)

  • Juan Calero

    (Departamento de Química Orgánica, Universidad de Córdoba, Campus de Rabanales, Ed. Marie Curie, 14014 Córdoba, Spain)

  • Alejandro Posadillo

    (Seneca Green Catalyst S.L., Campus de Rabanales, 14014 Córdoba, Spain)

  • Antonio A. Romero

    (Departamento de Química Orgánica, Universidad de Córdoba, Campus de Rabanales, Ed. Marie Curie, 14014 Córdoba, Spain)

  • Rafael Estevez

    (Departamento de Química Orgánica, Universidad de Córdoba, Campus de Rabanales, Ed. Marie Curie, 14014 Córdoba, Spain)

Abstract

The aim of this work is to analyze the effect of using diethyl ether (DEE) as an oxygenated additive of straight vegetable oils (SVOs) in triple blends with fossil diesel, to be used in current compression ignition (C.I.) engines, in order to implement the current process of replacing fossil fuels with others of a renewable nature. The use of DEE is considered taking into account the favorable properties for blending with SVO and fossil diesel, such as its very low kinematic viscosity, high oxygen content, low autoignition temperature, broad flammability limits (it works as a cold start aid for engines), and very low values of cloud and pour point. Therefore, DEE can be used as a solvent of vegetable oils to reduce the viscosity of the blends and to improve cold flow properties. Besides, DEE is considered renewable, since it can be easily obtained from bioethanol, which is produced from biomass through a dehydration process. The vegetable oils evaluated in the mixtures with DEE were castor oil, which is inedible, and sunflower oil, used as a standard reference for waste cooking oil. In order to meet European petrodiesel standard EN 590, a study of the more relevant rheological properties of biofuels obtained from the DEE/vegetable oil double blends has been performed. The incorporation of fossil diesel to these double blends gives rise to diesel/DEE/vegetable oil triple blends, which exhibited suitable rheological properties to be able to operate in conventional diesel engines. These blends have been tested in a conventional diesel engine, operating as an electricity generator. The efficiency, consumption and smoke emissions in the engine have been measured. The results reveal that a substitution of fossil diesel up to 40% by volume can be achieved, independently of the SVO employed. Moreover, a significant reduction in the emission levels of pollutants and better cold flow properties has been also obtained with all blends tested.

Suggested Citation

  • Laura Aguado-Deblas & Jesús Hidalgo-Carrillo & Felipa M. Bautista & Diego Luna & Carlos Luna & Juan Calero & Alejandro Posadillo & Antonio A. Romero & Rafael Estevez, 2020. "Diethyl Ether as an Oxygenated Additive for Fossil Diesel/Vegetable Oil Blends: Evaluation of Performance and Emission Quality of Triple Blends on a Diesel Engine," Energies, MDPI, vol. 13(7), pages 1-16, March.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:7:p:1542-:d:336845
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    References listed on IDEAS

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    Cited by:

    1. Vladimir Anatolyevich Markov & Bowen Sa & Sergey Nikolaevich Devyanin & Anatoly Anatolyevich Zherdev & Pablo Ramon Vallejo Maldonado & Sergey Anatolyevich Zykov & Aleksandr Dmitrievich Denisov & Hewag, 2021. "Investigation of the Performances of a Diesel Engine Operating on Blended and Emulsified Biofuels from Rapeseed Oil," Energies, MDPI, vol. 14(20), pages 1-28, October.
    2. Laura Aguado-Deblas & Rafael Estevez & Jesús Hidalgo-Carrillo & Felipa M. Bautista & Carlos Luna & Juan Calero & Alejandro Posadillo & Antonio A. Romero & Diego Luna, 2020. "Outlook for Direct Use of Sunflower and Castor Oils as Biofuels in Compression Ignition Diesel Engines, Being Part of Diesel/Ethyl Acetate/Straight Vegetable Oil Triple Blends," Energies, MDPI, vol. 13(18), pages 1-14, September.
    3. Rafael Estevez & Laura Aguado-Deblas & Francisco J. López-Tenllado & Felipa M. Bautista & Antonio A. Romero & Diego Luna, 2024. "Study on the Performance and Emissions of Triple Blends of Diesel/Waste Plastic Oil/Vegetable Oil in a Diesel Engine: Advancing Eco-Friendly Solutions," Energies, MDPI, vol. 17(6), pages 1-17, March.
    4. Rafael Estevez & Laura Aguado-Deblas & Francisco J. López-Tenllado & Carlos Luna & Juan Calero & Antonio A. Romero & Felipa M. Bautista & Diego Luna, 2022. "Biodiesel Is Dead: Long Life to Advanced Biofuels—A Comprehensive Critical Review," Energies, MDPI, vol. 15(9), pages 1-39, April.
    5. Laura Aguado-Deblas & Jesús Hidalgo-Carrillo & Felipa M. Bautista & Carlos Luna & Juan Calero & Alejandro Posadillo & Antonio A. Romero & Diego Luna & Rafael Estévez, 2021. "Evaluation of Dimethyl Carbonate as Alternative Biofuel. Performance and Smoke Emissions of a Diesel Engine Fueled with Diesel/Dimethyl Carbonate/Straight Vegetable Oil Triple Blends," Sustainability, MDPI, vol. 13(4), pages 1-14, February.
    6. Laura Aguado-Deblas & Jesús Hidalgo-Carrillo & Felipa M. Bautista & Carlos Luna & Juan Calero & Alejandro Posadillo & Antonio A. Romero & Diego Luna & Rafael Estévez, 2020. "Biofuels from Diethyl Carbonate and Vegetable Oils for Use in Triple Blends with Diesel Fuel: Effect on Performance and Smoke Emissions of a Diesel Engine," Energies, MDPI, vol. 13(24), pages 1-15, December.
    7. Krzysztof Górski & Ruslans Smigins & Jonas Matijošius & Alfredas Rimkus & Rafał Longwic, 2022. "Physicochemical Properties of Diethyl Ether—Sunflower Oil Blends and Their Impact on Diesel Engine Emissions," Energies, MDPI, vol. 15(11), pages 1-18, June.
    8. Krzysztof Górski & Ruslans Smigins & Jonas Matijošius & Dimitrios Tziourtzioumis, 2023. "Cycle-to-Cycle Variation of the Combustion Process in a Diesel Engine Fueled with Rapeseed Oil—Diethyl Ether Blends," Energies, MDPI, vol. 16(2), pages 1-17, January.
    9. Diego Luna & Rafael Estevez, 2022. "Optimization of Biodiesel and Biofuel Process," Energies, MDPI, vol. 15(16), pages 1-4, August.
    10. Purushothaman Paneerselvam & Gnanamoorthi Venkadesan & Mebin Samuel Panithasan & Gurusamy Alaganathan & Sławomir Wierzbicki & Maciej Mikulski, 2021. "Evaluating the Influence of Cetane Improver Additives on the Outcomes of a Diesel Engine Characteristics Fueled with Peppermint Oil Diesel Blend," Energies, MDPI, vol. 14(10), pages 1-15, May.

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