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Tunnel dryer and pneumatic dryer performance evaluation to improve small-scale cassava processing in Tanzania

Precoppe Marcelo, Chapuis Arnaud, Müller Joachim, Abass Adebayo. 2017. Tunnel dryer and pneumatic dryer performance evaluation to improve small-scale cassava processing in Tanzania. Journal of Food Process Engineering, 40 (1):e12274, 10 p.

Journal article ; Article de revue à facteur d'impact
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Quartile : Q2, Sujet : FOOD SCIENCE & TECHNOLOGY / Quartile : Q2, Sujet : ENGINEERING, CHEMICAL

Abstract : In sub-Saharan Africa, cassava is grown by smallholder farmers and is the principal source of calories for the local population. However, the short shelf life of cassava associated with poor infrastructure in the region results in significant postharvest losses. The expansion of small-scale cassava processing could reduce these losses, but the availability of drying equipment suitable for use in such operations is limited. The objective of this research was to contribute to the development of cassava dryers suitable for use by smallholder farmers. A tunnel dryer and a pneumatic dryer being operated in Tanzania were evaluated using mass and energy balance analysis. It was found that the energy efficiency of the tunnel dryer was 29% and of the pneumatic dryer 46%. For the tunnel dryer, most of the heat losses were through unsaturated exhaust air, while for the pneumatic dryer, most losses were through radiation and convection. (Résumé d'auteur)

Mots-clés Agrovoc : Manioc, Séchage à l'air, Séchoir, Performance du matériel, Évaluation, Bilan énergétique, Transfert de masse, Teneur en matière sèche, Petite entreprise, Petite exploitation agricole

Mots-clés géographiques Agrovoc : République-Unie de Tanzanie

Classification Agris : N20 - Agricultural machinery and equipment
Q02 - Food processing and preservation
E80 - Home economics and crafts

Champ stratégique Cirad : Axe 3 (2014-2018) - Alimentation durable

Auteurs et affiliations

  • Precoppe Marcelo, IITA (TZA)
  • Chapuis Arnaud, CIRAD-PERSYST-UMR Qualisud (THA)
  • Müller Joachim, Universitaet Hohenheim (DEU)
  • Abass Adebayo, IITA (TZA)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/577595/)

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