This research study The purpose is to study and compare the chemical properties of the compressed fuel rods from vetiver grass and nepia. Using a wet dough, glue, solder at a ratio of 1:1. bring a stick is compressed by heat or cold extrusion. By hydraulic air compressor, then studying the properties of fuel according to ASTM: heat quantity value quantity value and moisture ash. The heat quantity of fuels from grasses, vetiver and nepia. 5893 is equal to.28 and 5540.11 calories/gram, respectively. The value of the compressed fuel moisture sticks from vetiver grass and nepia. Is equal to 4.78% and 5.56%, respectively. The quantity of ash from the fuel rods of soft grass, nepia and vetiver. Is equal to 8.75% and 11.91%, respectively. The heat quantity value is higher than the wood or firewood, 3934 calories/gram. Moisture that has a lower value wood or firewood, which has a value of approximately 10.0-18.0% and the ash quantity value is greater than wood or firewood, which has a value of 3.9% less moisture will make it easy to ignite the fuel rods of soft, high-heat quantity value. Best value low ash fuel caught fire as well. From a comparison of two types of fuel. Moisture and low ash quantity compared with compressed fuel rods from vetiver.
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