Technical Performance and Economic Potential of the Locally Developed Pulping Machine for Dried Coffee Cherries

Author(s)	Engr. Kurt Chester A Baddo, Engr. Joel M Alcaraz, Engr. Andy M Mayo
Country	Philippines
Abstract	This study evaluated a locally fabricated drum-type coffee pulping machine designed for dried Robusta cherries in Luna, Apayao, Philippines. The machine’s performance was tested at four drum speeds (701–1100 rpm) using a Completely Randomized Design. Results showed optimal performance at 901–1000 rpm (T2), achieving 92.60% pulping recovery, 97.34% efficiency, and 41.55 kg/hr input capacity, with minimal losses. Economic analysis revealed a payback period of 212 days, a benefit-cost ratio of 1.1, and a 170.28% return on investment, confirming viability. Recommendations include operational optimizations and noise reduction modifications.
Keywords	Dried Coffee Cherries, Coffee Parchment, Robusta, Drum type
Field	Engineering
Published In	Volume 7, Issue 3, May-June 2025
Published On	2025-05-10

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