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Investigating the effect of different loading densities on selected properties of dried coffee using a GHE dryer CIGR Journal
Menya, Emmanuel; Komakech, A. J..
Despite coffee being one of the leading cash crops in Uganda contributing 20%-30% of the total export earnings, it is mainly dried on bare earth surfaces hence its drastic decline in quality.  A possible alternative solution is utilization of the greenhouse effect (GHE) solar dryer.  This research was aimed at investigating the effect of different loading densities on selected properties of dried coffee using a GHE dryer that was designed and constructed at Makerere University Agricultural Research Institute Kabanyolo (MUARIK).  The research involved determining the drying time for the loading densities of 5, 10 and 20 kg m-2 as well as analyzing the coffee quality at the end of the drying period.  Three experimental runs were set up in the months of June...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Post harvest technologies solar drying greenhouse effect; Solar dryer; Loading densities; Coffee quality; Drying time; Performance; Uganda.
Ano: 2013 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/2270
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Solar drying of jack fruit almonds REA
Queiroz,Alexandre J. de M; Dantas,Hermeval J; Figueirêdo,Rossana M. F. de; Melo,Karla dos S.
Dryers heated by solar energy have been constructed and used in drying whole and half jack fruit almonds. The samples were dried during the day in direct sun and in the conventional solar dryer prepared for this purpose. Another piece of equipment was built for reception and accumulation of sun energy in a body of water, which was used as a heat source for night drying. The drying with the sun energy was compared with artificial drying. The jack fruit almonds were dried whole, half, with pellicle and without it. The storage of solar energy in water was technically viable for use in night drying. The drying by combining solar dryers in the day and night periods were completed in approximately 35 hours, and were equivalent to artificial drying between 40ºC...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Artocarpus heterophyllus; Solar dryer; Agricultural residues.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162011000600012
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