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Description: This work is devoted to the experimental study of banana drying energy consumption. A prototype drier with a capacity of 120 kg fresh products, meeting the needs of a producer, was designed and built. The system was then used to undertake an experimental study on energy consumption of banana drying, taking into account the influence of the aerodynamic settings within the drying enclosure. The results showed that the final sought water content, approximately 20%, dry basis, is obtained in 35 hours when drying is made at 608C without recirculation of air the power consumption was 83 kWh. The power consumption. was lower (only 30 kWh) if drying at lower temperatures (408C) was combined to air recirculation during the process. The combination of the aerodynamic settings would therefore make it possible to practically divide the energy drying consummation by three this against a relatively longer operation time (65 hours). This result brings an interesting indicator on the energy constraints related to this type of processing for banana conservation, a strongly perishable product with great importance for the economy of Subsaharan African countries in. particular.

Keywords: drying, banana, kinetics, electric drier, energy consumption.
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Citation: Talla, André et Yves Jannot. 2011. à‰tude expérimentale de la consommation énergétique du séchage de la banane dans un séchoir électrique prototype. Canadian Biosystems Engineering 53 : 3.293.35.
Volume: 53
Issue: 3
Pages 3.29 - 3.35
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Date: 2012-05-18
Technical field: technical_fields_app4
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Session name: Food and bioprocess engineering

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Coverage: Cameroon
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