<![CDATA[Green coconut shell and husk (GCSH) waste is still an unused material and causes environmental problems, so innovation to turn it into something of value-added material is very necessary. This research aimed to optimize the utilization of GCSH waste and jatropha seeds by examining and providing information regarding the characteristics of biobriquettes produced from GCSH waste with the addition of jatropha seeds as adhesive. Production of biobriquettes were performed in two ways: conventionally (without burning) and by pyrolysis (with burning). The GCSH waste was reduced in size to 5x5 cm. Subsequently, it was dried under the hot sun until the water content reached 20% and pyrolysis was carried out at temperatures of 380, 430 and 480C for 3.5 hours. The pyrolysis product (charcoal) was crushed and sieved until a size of 60 mesh. The added concentrations of jatropha seed adhesive were 15%, 20%, and 25%. Briquettes were molded at a pressure of 110 kg/cm and dried at a temperature of 105C. Optimum biobriquette characteristics were achieved by pyrolysis temperature of 430C and the addition of 25% adhesive.]]>
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