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Nigerian Journal of Technology

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Comparative analysis of type 1 and type 2 cassava peeling machines

C. Nathan, U. J. Udosen

Abstract


A comparative analysis of type 1 and type 2 cassava peeling machines with nail lengths of 26mm and 20mm were investigated in order to improve peeling techniques of cassava tubers. The machines were evaluated at four (4) different speeds; (80rev/min, 90rev/min, 100rev/min, and 110rev/min), with 750HP petrol engine. Cassava tubers were graded into average weights of 0.81kg, 0.72kg, 0.64kg, 0.55kg, 0.50kg. The results of the properties evaluated for type1 and type 2 peelers are: Weight of peeled cassava (85% and 78%) at 80rev/min respectively, Weight of cassava peels (16% and 15.66%) at 80rev/min respectively, Weight of cassava flesh loss (0.7% and 3.26%) at 80rev/min respectively, weight of unpeeled cassava (0.7% and 3.26%) at 80rev/min respectively, Peeling efficiency (88% and 82%) at 80rev/min respectively, Mechanical damage (0.0084kg and 0.040kg) at 80rev/min respectively, Throughput capacity (1041kg/h and 1149kg/h) at 110rev/min respectively, The results of the properties evaluated for type 1 peeler were better than type 2 peeler.

Key words: Nails, Weight, Cassava, Peelers, Flesh loss.




http://dx.doi.org/10.4314/njt.v36i2.21
AJOL African Journals Online