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Development of a pilot scale energy efficient flash dryer for cassava flour

dc.contributor.authorAdegbite, S.A.
dc.contributor.authorAsiru, W.B.
dc.contributor.authorSartas, M.
dc.contributor.authorTran, T.
dc.contributor.authorTaborda, L.A.
dc.contributor.authorChapuis, A.
dc.contributor.authorOjide, M.
dc.contributor.authorAbass, A.
dc.date.accessioned2023-05-11T08:54:19Z
dc.date.available2023-05-11T08:54:19Z
dc.date.issued2023-09
dc.identifier.citationAdegbite, S.A., Asiru, W.B., Sartas, M., Tran, T., Taborda, A.L., Chapuis, A., ... & Abass, A. (2023). Development of a pilot scale energy efficient flash dryer for cassava flour. Resources, Environment and Sustainability, 13: 100117, 1-8.
dc.identifier.issn2666-9161
dc.identifier.urihttps://hdl.handle.net/20.500.12478/8168
dc.description.abstractCassava’s transformation into an industrial raw material necessitates new processing techniques that improve quality while lowering processing costs. Drying has been identified as a major bottleneck in the production of high-quality cassava flour (HQCF) and expansion of its industrial application in Sub-Sahara African. This has triggered efforts towards developing an energy-efficient flash dryer for cassava flour/starch production at a small scale. A scaled-up version of the prototype flash dryer installed at the International Center for Tropical Agriculture (CIAT), Cali, Colombia, was built at the Federal Institute of Industrial Research, Oshodi, (FIIRO), Lagos, Nigeria based on numerical modeling.​ Excel tools developed by the CGIAR (RTB) scientists were used to design the components and built using locally sourced materials. The automation system of the flash dryer allows for operational flexibility, increased energy efficiency and reduced cost. It features a longer drying tube (22.5 m), a compact and improved heat exchanger, a larger blower for higher air velocity, and a high air/product ratio, thereby optimizing the drying efficiency. The dryer was evaluated with mechanically dewatered cassava mash (wet cake) dried into high quality cassava flour at air temperature of 180 °C and velocity of 13 m/s. The initial moisture content of the wet cake was 47.06 % wb, which was reduced to 9.6 % wb of dried product. Using a capacity of 298.0 kg of wet cake per hour, an output of 186.34 kg of dried product was achieved, resulting in an energy efficiency of 80.8 % and specific energy consumption of 2570 kJ/kg product of final product and 4560 kJ/kg water of evaporated water. These results revealed that the dryer is efficient and suitable for small-scale enterprises. Its use can reduce the production costs and expand the global market opportunity for cassava flour.
dc.description.sponsorshipCGIAR Trust Fund
dc.format.extent1-8
dc.language.isoen
dc.subjectDryers
dc.subjectEnergy Efficiency
dc.subjectEnergy Consumption
dc.subjectCassava
dc.subjectFlours
dc.titleDevelopment of a pilot scale energy efficient flash dryer for cassava flour
dc.typeJournal Article
cg.contributor.crpRoots, Tubers and Bananas
cg.contributor.affiliationFederal Institute of Industrial Research Oshodi
cg.contributor.affiliationInternational Institute of Tropical Agriculture
cg.contributor.affiliationInternational Center for Tropical Agriculture
cg.contributor.affiliationUniversité de La Réunion
cg.contributor.affiliationCentre de Coopération Internationale en Recherche Agronomique pour le Développement
cg.contributor.affiliationAlex Ekwueme Federal University
cg.coverage.regionAfrica
cg.coverage.regionWest Africa
cg.coverage.countryNigeria
cg.coverage.hubEastern Africa Hub
cg.coverage.hubCentral Africa Hub
cg.researchthemeSocial Science and Agribusiness
cg.identifier.bibtexciteidADEGBITE:2023
cg.authorship.typesCGIAR and developing country institute
cg.iitasubjectAgribusiness
cg.iitasubjectAgronomy
cg.iitasubjectCassava
cg.iitasubjectFood Security
cg.iitasubjectPlant Production
cg.iitasubjectPost-Harvesting Technology
cg.journalResources, Environment and Sustainability
cg.notesOpen Access Article; Published online: 08 Mar 2023
cg.accessibilitystatusOpen Access
cg.reviewstatusPeer Review
cg.usagerightslicenseCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 (CC BY-NC-ND 4.0)
cg.targetaudienceScientists
cg.identifier.doihttps://doi.org/10.1016/j.resenv.2023.100117
cg.iitaauthor.identifierMurat Sartas: 0000-0001-7331-4201
cg.iitaauthor.identifierAdebayo Abass: 0000-0003-1376-3608
cg.futureupdate.requiredNo
cg.identifier.issue: 100117
cg.identifier.volume13


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