Analysis of the Performance of Moisture Reduction Rate in a Horizontal Mill Type Coffee Dryer Using a Suction Blower

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Published: Jun 1, 2024
DOI: https://doi.org/10.24853/sintek.18.1.38-43
Keywords:
Coffee Dryer Suction Blower Coffee Bean Drying Moisture Content Post-Harvest

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Karnova Yanel
Institut Teknologi Padang
Surya Hendra
Institut Teknologi Padang
Rozi Saferi
Institut Teknologi Padang
Sulaiman Sulaiman
Institut Teknologi Padang

Abstract

Coffee, originating in the 9th century Ethiopia and later expanding across North Africa and tropical regions globally, remains a crucial commodity. Indonesia, recognized for its robust coffee industry, ranks third worldwide in production, contributing 8% of the global supply. However, the drying process poses challenges to Indonesian farmers due to traditional methods and variable weather conditions. This research aims to evaluate a coffee dryer utilizing forced convection with a suction blower to optimize drying parameters for coffee beans. The study employs a horizontal mill dryer with a heated drum for drying experiments. Results demonstrate that the dryer effectively reduces the moisture content of post-harvest coffee cherries to 2%. In the initial test, 20 kg of coffee dried over 7.5 hours at 75℃ decreased from 61.66% to 5.3% moisture, while a subsequent test with 17 kg dried over 4 hours reduced from 36% to 2% moisture content. The findings conclude that the suction blower-equipped dryer meets Indonesian National Standards (SNI), achieving the requisite 12% moisture content for post-harvest coffee.

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How to Cite
[1]
K. Yanel, S. Hendra, R. Saferi, and S. Sulaiman, “Analysis of the Performance of Moisture Reduction Rate in a Horizontal Mill Type Coffee Dryer Using a Suction Blower”, sintek. jurnal. ilm. teknik. mesin, vol. 18, no. 1, pp. 38–43, Jun. 2024.
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Vol. 18 No. 1 (2024): SINTEK JURNAL
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Articles

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Author Biography

Karnova Yanel, Institut Teknologi Padang

Dosen di jurusan DIII teknik Mesin

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