Effects of Glycerol and Diameter of Holes in Breaker Plate on Performance of Screw Mixer for Nanocomposites-Reference-Cited by-同舟云学术

Effects of Glycerol and Diameter of Holes in Breaker Plate on Performance of Screw Mixer for Nanocomposites

Published:2017-12-01 Issue:4 Volume:21 Page:15-26
ISSN:2449-5999
Container-title:Agricultural Engineering
language:en
Short-container-title:

Author:

Fadeyibi A.¹,Osunde Z.D.²,Yisa M.G.¹

Affiliation:

1. Department of Food, Agricultural and Biological Engineering , Kwara State University , Malate, Nigeria

2. Department of Agricultural and Biosystems Engineering , Landmark University , Omuaran

Abstract

Abstract A breaker plate of a screw mixer is an efficient mixing device for use in homogenizing nanocomposites. This research was undertaken to investigate the effects of glycerol and diameter of holes in a breaker plate on performance of a screw mixer for nanocomposites. Samples of the nanocomposites were formulated by blending 1000 g cassava starch, 45-55% glycerol and 2% magnetite nanoparticles; and used to evaluate the performance of a locally developed screw mixer at 5 mm and 7 mm diameters of holes in its breaker plate. The effects of glycerol and diameter of holes in the breaker plate on mixing index, amount of unmixed nanocomposites and output/1000g were evaluated as performance indices for 1 hour. Empirical models were determined for predicting the performance of the mixer within the designed criteria. The results showed that the output/1000g and the mixing index increased with higher glycerol and diameter of holes in the breaker plate. However, the amount of unmixed nanocomposites decreases with a higher diameter of holes in the breaker plate (p<0.05). The maximum output/1000g and mixing index lies between 5 mm diameter of holes in the breaker plate and 55% glycerol concentration with an approximate desirability of 0.60. The empirical models developed were fit (R2=0.89, p<0.05); and there were no significant differences between actual and predicted values. The results suggest application of 5 mm diameter of holes in the breaker plate for homogenizing nanocomposites for optimum performance.

Publisher

Walter de Gruyter GmbH

Subject

Agricultural and Biological Sciences (miscellaneous),Environmental Engineering

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