Pemanfaatan Limbah Penyulingan Minyak Nilam Dan Sekam Padi Dalam Pembuatan Biobriket Sebagai Bahan Bakar Alternatif Dengan Dominan Limbah Nilam

Vincent Putra Tandiapa; Alfred Noufie Mekel; Artian Sirun; Tineke Saroinsong

doi:10.52158/jamere.v6i2.1666

Authors

Vincent Putra Tandiapa Politeknik Negeri Manado
Alfred Noufie Mekel Politeknik Negeri Manado
Artian Sirun Politeknik Negeri Manado
Tineke Saroinsong Politeknik Negeri Manado https://orcid.org/0000-0001-5460-1416

DOI:

https://doi.org/10.52158/jamere.v6i2.1666

Keywords:

Bio-briquettes, Patchouli distillation waste, Rice husk, Proximate analysis, Burning rate

Abstract

Patchouli (Pogostemon cablin) oil distillation waste and rice husk are abundant but underutilized agricultural and agro-industrial residues in Talawaan, North Sulawesi, Indonesia. This study evaluates the fuel characteristics of biobriquettes prepared from patchouli distillation waste and rice husk at three composition ratios (20:80, 30:70, and 40:60, rice husk to patchouli waste by weight) using tapioca starch as a binder. Proximate parameters, including moisture content, ash content, and volatile matter, were determined at an accredited testing laboratory (Balai Standardisasi dan Pelayanan Jasa Industri, BSPJI, Manado) following SNI 01-6235-2000, while fixed carbon content was calculated by difference and burning rate was measured as the ratio of mass loss to combustion time. Results show that increasing the rice husk proportion decreased moisture content from 19.59% to 14.39% and volatile matter from 43.65% to 38.38%, while ash content increased from 26.73% to 34.44%, likely due to the high silica content of rice husk. The burning rate was comparable for the 20% and 30% rice husk compositions (0.602 and 0.605 g/min, respectively) but decreased at 40% rice husk (0.484 g/min). None of the three compositions met the SNI 01-6235-2000 limits for moisture and ash content (maximum 8% each), although the 30:70 composition performed best overall among the tested variations. These findings complement a companion study on the hydraulic press machine developed for this feedstock blend and provide baseline fuel-quality data for further process optimization.

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