Abstract
Briquettes are one way to increase the economic value of biomass. Blotong and bagasse are two biomass wastes that can pollute the environment if stored for an extended period of time. This study aimed to determine the effect of torrefaction time on the heating value of briquettes, moisture content, and the number of organic carbons. Blotong and bagasse microwave torrefaction uses 1000 watts of power and time intervals of 20, 30, 40, 50, and 60 minutes. When the best take for torrefaction between blotong and bagasse with molasses is compared, the result is 1:1:4. Based on the analysis results, the best briquettes produced have a water content of 2.1 percent, a calorific value of 5475.8 cal/gram, and an organic carbon content of 64.75 percent at a time variable of 60 minutes. These results indicate that variations in the torrefaction process time can affect the characteristics of the resulting briquettes. Based on the results obtained, the longer the torrefaction time, the lower the water content in the briquettes. Likewise, the calorific value and carbon content are also getting higher.
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