Abstract
Biomass waste that has not been utilized properly is rice husk and jatropha seed waste, and there is a future need for efficient utilization of these wastes. Rice husk is the outermost part of the rice seed, the rice milling process produced 20% - 30% of the waste as rice husks. Jatropha shell waste is a de-oiled part of jatropha seed after the oil extraction process for biodiesel production, and produced 70% of waste. As biomass, both materials are potential sources of carbon that can be utilized as an alternative energy sources such as bio-briquettes. The method used in this research is experimental method including drying of the biomass material sample, carbonization process, refine and filtration using 40 mesh sieve (420 μm). The composition of the selected charcoal mixture is 80:20 and 50:50, and the addition of the newspaper waste pulp as an adhesive material with variations of 8% and 12% by weight. Characterization is done by using the mass density test, proximate test and calorific value test. After going through pressure printing and drying process, the briquettes with 8% addition of newspaper waste pulp adhesives has the highest heat energy content, equal to 5,650 cal/g.
Published Version
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