Optimization of Composite Briquette Made From Sawdust/Rice Husk Using Starch and Clay Binder



Briquettes, Energy, Residue, Composite, Binders, Optimization, Calorific value


In this study, the physical properties and optimization of briquettes made from rice husk and sawdust were carried out. The bio-waste material of homogeneous particle sizes of 0.5mm and two binders of 90:10 percentage compositions which were sun-dried, prepared and compressed for the production of the briquettes. Energy valuation of the briquettes was carried out using a bomb Calorimeter. Response surface methodology was implored in the optimization of the energy values from rice husk/sawdust composite briquettes with clay and starch as binders, after which a composite briquette made from mahogany sawdust/rice husk was produced using the optimal condition values of 15% binder starch, 28% rice husk and 9Mpa compaction pressure. The results indicated that composite briquettes of mahogany sawdust and rice husk produced using starch gave the maximum energy value of 5.69kcal/g whereas those made with clay gave the least calorific value of 3.35kcal/g. This indicates that briquette from a composite of Mahogany sawdust/rice husk is, as a result, more appropriate for starting and retaining the fire for cooking and other domestic heating.


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Author Biography

Jeremiah Chukwuneke, Nnamdi Azikiwe University

Mechanical Engineering/LEcturer




How to Cite

Chukwuneke, J., Umeji, A., Obika, E., & Fakiyesi, O. (2021). Optimization of Composite Briquette Made From Sawdust/Rice Husk Using Starch and Clay Binder. International Journal of Integrated Engineering, 13(4), 208–216. Retrieved from https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/5944