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Research Article Open access CC BY 3.0

Some Flow Properties of Cassava Mash in Handling

Peter Kolawole, Adebayo Abass, Leo Agbetoye, Simon Ogunlowo, Emmanuel Ozigbo

Journal of Experimental Agriculture International · pp. 1348–1354 · Published 18 Jun 2014

10.9734/AJEA/2014/8596

Abstract

Harvested cassava root cannot be stored for too long, it perishes soon after harvesting, and mass processing into storable products is the best way to extend the shelf life of the root. Arching, caking and segregation are commonly encountered flow problems in the processing. Cassava root processing steps involve peeling, washing, grating, dewatering, pulverizing and sieving. Mash conveying and temporary storage in hoppers were considered for improvement, and these require some basic engineering parameters. The flowability of cassava mash was quantified based on the angle of repose and the mash density at given moisture content of mash. The results indicated that freshly grated mash from TMS 4(2)1425 variety of cassava had angle of repose of 28° at a moisture content of 73% wet basis while the pulverised mash with moisture content 45% wet basis had an angle of repose of 49º. The angle of repose of cassava mash is moisture dependent.

Flowability angle of repose cassava mash hausner ratio carr index

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