Pembuatan Biobriket dari Limbah Nilam dan Sekam Padi dengan Variasi Perekat Sagu
Keywords:
biobriquette, nilam waste, rice husk, sago binder, biomass energyAbstract
The increasing global energy demand and the depletion of fossil fuel reserves have driven the search for renewable energy alternatives. Biomass-based biobriquettes offer a promising solution, particularly through the utilization of agricultural waste. This study aims to analyze the effect of sago binder variations (5%, 8%, 10%, 12%, and 14%) on the quality of biobriquettes made from a 50:50 mixture of nilam distillation waste and rice husk. Quality parameters tested include moisture content, ash content, volatile matter, and combustion rate, referring to SNI 01-6235-2000 standards. The results showed that increasing sago binder content from 5% to 14% caused an increase in moisture content (7.84% to 8.86%) and volatile matter (29.04% to 36.87%), while ash content decreased significantly (44.46% to 31.85%). The 12% binder variation produced the lowest combustion rate (0.089 g/min), meaning the slowest burning among all variations. The 14% variation achieved the highest combustion temperature (469.0°C). Against the SNI maximum moisture content of 8%, only the 5% variation complied (7.84%), the 8% variation sat exactly at the limit (8.00%), while the 10%, 12%, and 14% variations exceeded it. Ash content of every variation also remained far above the standard. The 12% sago binder composition therefore gave the lowest combustion rate, but cannot yet be declared an optimal formulation because its moisture and ash content still exceed the quality standard.
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