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Analyse des performances de pompes à chaleur additionnelles à élévation de température importante pour la pasteurisation dans les industries de transformation des jus de fruits et des produits laitiers.

Performance analysis of add-on large-temperature-lift heat pumps for pasteurization in the juice and dairy processing industries.

Numéro : 0505

Auteurs : AYOU D. S., ARPAGAUS C., BERTSCH S. S., CORONAS A.

Résumé

Energy consumption of the pasteurization process is highly important due to the need for liquid product heating (above 70 °C) and subsequent chilling (below 15 °C) after pasteurization. This study theoretically investigates large-temperature-lift heat pumps (LTLHPs) using natural working fluids (R717, R744, NH3/H2O mixture, hydrocarbons) for simultaneous heating and cooling in the pasteurization of juice and liquid milk products. The thermodynamic performance of these work-driven LTLHP cycles is simulated for a range of heating and cooling supply temperatures (70 °C to 150 °C and 0 °C to 10 °C) typical of pasteurization processes in the juice and dairy industries. The simulated performance of the LTLHPs is also compared to a business-as-usual scenario for liquid product pasteurization in the food and beverage industry. Using heat pump cycle designs with large-temperature-lift and high heat sink outlet temperature (above 80 °C) with natural working fluids contributes to developing carbon-neutral food and beverage manufacturing processes.

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Format PDF

Pages : 11

Disponible

  • Prix public

    20 €

  • Prix membre*

    Gratuit

* meilleur tarif applicable selon le type d'adhésion (voir le détail des avantages des adhésions individuelles et collectives)

Détails

  • Titre original : Performance analysis of add-on large-temperature-lift heat pumps for pasteurization in the juice and dairy processing industries.
  • Identifiant de la fiche : 30031419
  • Langues : Anglais
  • Source : Proceedings of the 26th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
  • Date d'édition : 21/08/2023
  • DOI : http://dx.doi.org/10.18462/iir.icr.2023.0505

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