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Research Paper | Mechanical Engineering | Indonesia | Volume 7 Issue 12, December 2018

The Effect of Density and Hardness at the Rate of Burning Coconut Shell Briquettes and Water Hyacinth

Artian Sirun ^[2] | Herotje Siwi | Markus K. Umboh

Abstract: The purpose of this study was to determine the characteristics of briquettes produced, including water content, volatile substance content, combustion rate, density, hardness, and to find the appropriate comparison from a mixture of water hyacinth and coconut shell with variations in tapioca adhesive levels. The mass ratio between water hyacinth and coconut shell in this study is 1 0: 0 1: 0.25 0.75; 0.5: 0.5; 0.75: 0.25 with a variation of tapioca adhesive content of 4 % of the weight of the raw material. From the results of this study it was found that the ideal composition of briquettes was obtained in a mixture of water hyacinth and coconut shell at a ratio of 0.25: 0.75 with 4 % tapioca adhesive content with 4.95 % moisture content. volatile substance content 10.363 %, density value 0.613 gr / cm, combustion rate 0.826 g / minute and hardness 0.716 HL

Keywords: Water hyacinth, shell, volatile, tapioca, coconut shell

Edition: Volume 7 Issue 12, December 2018,

Pages: 161 - 164