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The Electrification of Conventional Industrial Processes: The Use of Mechanical Vapor Compression in an EtOH–Water Distillation Tower

Author

Listed:
  • Andrea Liberale Rispoli

    (Department of Chemical Engineering Materials Environment, “Sapienza” University of Rome, via Eudossiana 18, 00184 Rome, Italy)

  • Giacomo Rispoli

    (MyRechemical S.p.A., via di Vannina 88, 00156 Rome, Italy)

  • Nicola Verdone

    (Department of Chemical Engineering Materials Environment, “Sapienza” University of Rome, via Eudossiana 18, 00184 Rome, Italy)

  • Annarita Salladini

    (MyRechemical S.p.A., via di Vannina 88, 00156 Rome, Italy)

  • Emanuela Agostini

    (MyRechemical S.p.A., via di Vannina 88, 00156 Rome, Italy)

  • Mirko Boccacci

    (MyRechemical S.p.A., via di Vannina 88, 00156 Rome, Italy)

  • Maria Paola Parisi

    (Department of Chemical Engineering Materials Environment, “Sapienza” University of Rome, via Eudossiana 18, 00184 Rome, Italy)

  • Barbara Mazzarotta

    (Department of Chemical Engineering Materials Environment, “Sapienza” University of Rome, via Eudossiana 18, 00184 Rome, Italy)

  • Giorgio Vilardi

    (Department of Chemical Engineering Materials Environment, “Sapienza” University of Rome, via Eudossiana 18, 00184 Rome, Italy)

Abstract

The aim of this study is to analyze the exergetic, environmental, and economic impact of the electrification of a bio-refinery plant, considering the application of Mechanical Vapor Compression (MVC) to a conventional water–ethanol distillation column in the context of bioethanol production. The process was implemented in AspenPlus ® and Aspen Exchange Design and Rating (EDR) simulation environments, where a sensitivity analysis was also carried out, considering four scenarios characterized by different compressions’ operative conditions, and including a Coefficient of Performance ( CoP ) analysis of the proposed solution with MVC. Exergetic and economic analyses were performed, and the relevant impacts on Operative Expenditure (OpEx) and Capital Expenditure (CapEx) were analyzed. Comparing the base case scenario with the proposed solution, a reduction of operative costs of around 63% was achieved. Finally, an environmental analysis was carried out, showing a remarkable reduction in the carbon footprint of the unit, with a carbon dioxide emission reduction of almost 80% for the MVC solution, in line with RED target requirements.

Suggested Citation

  • Andrea Liberale Rispoli & Giacomo Rispoli & Nicola Verdone & Annarita Salladini & Emanuela Agostini & Mirko Boccacci & Maria Paola Parisi & Barbara Mazzarotta & Giorgio Vilardi, 2021. "The Electrification of Conventional Industrial Processes: The Use of Mechanical Vapor Compression in an EtOH–Water Distillation Tower," Energies, MDPI, vol. 14(21), pages 1-18, November.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:21:p:7267-:d:671375
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    References listed on IDEAS

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    1. Cui, Chengtian & Long, Nguyen Van Duc & Sun, Jinsheng & Lee, Moonyong, 2020. "Electrical-driven self-heat recuperative pressure-swing azeotropic distillation to minimize process cost and CO2 emission: Process electrification and simultaneous optimization," Energy, Elsevier, vol. 195(C).
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    5. Elin Svensson & Matteo Morandin & Simon Harvey & Stavros Papadokonstantakis, 2020. "Studying the Role of System Aggregation in Energy Targeting: A Case Study of a Swedish Oil Refinery," Energies, MDPI, vol. 13(4), pages 1-28, February.
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    Cited by:

    1. Antonio Trinca & Valentina Segneri & Thanasis Mpouras & Nelson Libardi & Giorgio Vilardi, 2022. "Recovery of Solid Waste in Industrial and Environmental Processes," Energies, MDPI, vol. 15(19), pages 1-5, October.
    2. Cui, Chengtian & Qi, Meng & Zhang, Xiaodong & Sun, Jinsheng & Li, Qing & Kiss, Anton A. & Wong, David Shan-Hill & Masuku, Cornelius M. & Lee, Moonyong, 2024. "Electrification of distillation for decarbonization: An overview and perspective," Renewable and Sustainable Energy Reviews, Elsevier, vol. 199(C).

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