Functionality, Usability, and Acceptability Assessment of the Manual Coconut Charcoal Briquette Molder

Venson B. Sarita and Ivan L. Dujali
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Venson B. Sarita: Faculty of Computing, Engineering, and Technology, Davao Oriental State University, Philippines Innovation Office- Davao Oriental State University, Philippines
Ivan L. Dujali: Faculty Agriculture and Life Sciences, Davao Oriental State University, Philippines

International Journal of Research and Scientific Innovation, 2025, vol. 12, issue 2, 142-147

Abstract: This study focuses on the development and assessment of a prototype manual coconut charcoal briquette molder. Designed to efficiently utilize coconut by-products and other waste materials, the prototype addresses the pressing need for accessible and cost-effective briquette production technology in rural and resource-limited areas. Constructed from stainless steel, the molder features a cylindrical canister, a rotating lever, a metal frame, an ejector, and a presser. Functionality, usability, and acceptability were evaluated through user feedback, yielding mean scores of 4.56, 4.68, and 4.57, respectively, all categorized as “Very High.†Experimental results on the burning time of briquettes produced with varying levels of cornstarch binder indicated a significant difference between treatments (Ï = 0.008). Treatment 4, containing 25 grams of cornstarch, exhibited the longest burning time (mean = 68.60 minutes). These findings highlight the prototype’s potential as a practical solution for sustainable waste management and renewable energy production.

Date: 2025
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