COMPARATIVE ANALYSIS OF TYPE 3 AND TYPE 4 CASSAVA PEELING MACHINES
DOI:
https://doi.org/10.4314/njt.364.1477Keywords:
Abrasive, Varieties, Throughput, Processing, Peeler.Abstract
Cassava peeling has become the major problem of cassava processing worldwide. This is attributed to the irregularity in shape, size and thickness across different varieties of cassava tubers. The aim of this research work is to compare the peeling performance of type 3 cassava peeling machine with two (2) abrasive peeling tools and type 4 cassava peeling machine with four (4) abrasive peeling tools. The machines were evaluated at four (4) different speeds; (80rev/min, 90rev/min, 100rev/min, and 110rev/min) with 5HP electric motor. Cassava tubers of average mass of 0.72kg, 0.74kg, 0.76kg, 0.78kg and 0.80kg were used for the experiment. The results of the properties evaluated for type 3 and type 4 peelers at 80 rev/min are; mass of peeled cassava (80% and 86%), mass of cassava peels (16% and 18%), mass of cassava flesh loss (2.06% and 2.16%), mass of unpeeled cassava (0.85% and 0.75%), peeling efficiency (85% and 90%), mechanical damage (0.046kg/kg and 0.065kg/kg), throughput capacity (1141kg/h and 1262kg/h) respectively. The performance of type 4 peeler was generally better than type 3 peeler with regards to properties evaluated, except for the percentage flesh loss and mechanical damage which were better with type 3 peeler.
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