Kemuel Silak

Universitas Sains dan Teknologi Jayapura

Jusuf Haurissa

Universitas Sains dan Teknologi Jayapura

Marthina Mini

Universitas Sains dan Teknologi Jayapura

DOI: https://doi.org/10.19184/rotor.v18i2.60794 

ABSTRACT 

The purpose of this study is to analyze the effect of varying water volumes in the mixture of Areca palm wood charcoal briquettes to determine the optimal formulation in briquette production. The process began with carbonizing Areca palm wood at 550°C, grinding the resulting charcoal to a 100-mesh size, and mixing it with tapioca flour adhesive at a composition of 80% charcoal to 20% tapioca, with the addition of hot water. The mixture was then molded and pressed into briquettes, followed by drying to reduce moisture content before testing. The tests conducted included measurements of moisture content and combustion rate. The experimental method used was a laboratory experiment with three variations of hot water volume at 100°C: 600 ml, 800 ml, and 1000 ml. The material composition consisted of 800 grams of Areca palm wood charcoal and 200 grams of tapioca flour, with a 100-mesh particle size and a compression pressure of 100 kgf/cm². The independent variable in this study was water volume, the dependent variable was the combustion rate (thermal conduction heat transfer), and the constant variables were the briquette compression and cube dimensions (3 cm). The results showed that the briquette with 600 ml of water achieved the best performance, with a maximum ignition temperature of 648.12°C and a burning duration of 1 hour 42 minutes and 3 seconds.

Keywords: Areca palm wood, tapioca flour, combustion rate, calorific value, moisture content

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