Optimization of Carbonization Temperature and Energy Performance Characterization of Orange Peel Waste-Derived Biobriquettes for Sustainable Energy Applications

Irving Josafat Alexander; Timotius Agung Soripada; Gloria Sirait; Ramlan Silaban

doi:10.33541/edumatsains.v11i2.8368

Authors

Irving Josafat Alexander Universitas HKBP Nommensen Medan
Timotius Agung Soripada Universitas Riau
Gloria Sirait Universitas HKBP Nommensen Pematangsiantar
Ramlan Silaban Universitas Negeri Medan

DOI:

https://doi.org/10.33541/edumatsains.v11i2.8368

Keywords:

optimization, Carbonization Temperature, Energy Performance, Orange Peel Biobriquettes, Sustainable Energy Application

Abstract

The increasing demand for sustainable energy and the growing accumulation of organic waste have encouraged the development of renewable biomass-based fuels. Orange peel waste is an abundant agricultural by-product rich in lignocellulosic compounds, making it a promising feedstock for biobriquette production. This study aimed to optimize carbonization temperature and evaluate the energy performance characteristics of orange peel waste-derived biobriquettes for sustainable energy applications. An experimental laboratory approach was employed using four carbonization temperatures: 300°C, 400°C, 500°C, and 600°C. The resulting biochar was processed into biobriquettes and characterized based on moisture content, ash content, volatile matter, fixed carbon content, density, combustion rate, and calorific value. Data were analyzed using one-way analysis of variance (ANOVA) followed by Tukey’s HSD test at a 95% confidence level. The results indicated that carbonization temperature significantly affected all measured parameters (p < 0.05). Increasing carbonization temperature reduced moisture content from 8.72% to 4.26% and volatile matter from 31.45% to 18.62%, while increasing fixed carbon content from 54.71% to 69.59% and calorific value from 19.21 MJ/kg to 27.41 MJ/kg. The highest-quality biobriquettes were obtained at a carbonization temperature of 600°C, exhibiting the lowest moisture content, highest fixed carbon content, and greatest calorific value. These findings demonstrate that orange peel waste can be effectively converted into high-quality biobriquettes and that carbonization temperature is a critical factor in enhancing fuel performance. The study highlights the potential of orange peel waste-derived biobriquettes as an environmentally friendly and sustainable alternative energy source while supporting waste valorization and circular economy practices.

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