DOI: https://doi.org/10.14710/presipitasi.v22i2.380-392

The Potential of Spent Bleaching Earth In Charcoal Briquettes as Energy Source

Enda Rasilta Tarigan  -  Politeknik Teknologi Kimia Industri Medan, Indonesia
*Meutia Mirnandaulia  -  Politeknik Teknologi Kimia Industri Medan, Indonesia
Mustakim Mustakim  -  Universiti Malaysia Pahang Al-Sutan Abdullah, Malaysia
Anna Angela Sitinjak  -  Politeknik Teknologi Kimia Industri Medan, Indonesia
Darry Christine Silowaty Purba  -  Politeknik Teknologi Kimia Industri Medan, Indonesia
Justaman Arifin Karo-Karo  -  Politeknik Teknologi Kimia Industri Medan, Indonesia
Meriahni Silalahi  -  Politeknik Teknologi Kimia Industri Medan, Indonesia
Li Idi'il Fitri  -  Politeknik Teknologi Kimia Industri Medan, Indonesia
Dedy Anwar  -  Institut Teknologi Del, Indonesia

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Abstract

Eco-friendly alternative fuels encourage the use of waste biomass as a material for making briquettes. This study aimed to develop briquettes from rice husk biomass and peat moss and add spent leaching earth (SBE). SBE is a hazardous and toxic waste increasingly piling up in landfills. The research method involved carbonizing rice husks and peat moss, mixing them with SBE, molding with a 200 kg/cm2 Hydraulic Press, and drying. The resulting briquettes had an average water content of 5.86% and an ash content of 2.18%, which meet the SNI No. 01/6235/2000 standard. Morphological analysis revealed that the briquettes were round but exhibited non-homogeneous aggregation. The highest calorific value was found in C4 briquettes of 5030.17 cal/gr. The composition of C4 was 40% rice husk charcoal (4.8 g), 45% peat (5.4 g), and 15% SBE (1.8 g), with SBE dried for seven days. The addition of peat increased the calorific value of the briquettes. Based on scanning electron microscopy (SEM)/ energy-dispersive X-ray (EDX) analysis, the carbon content in the C4 briquettes reached 72.2%. This study shows that the combination of rice husk charcoal, SBE, and peat provides a renewable energy source and contributes to the reduction of environmental waste, thereby promoting sustainability.

 

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Keywords: Charcoal briquettes; spent bleaching earth; peat moss; rice husks; alternative energy
Funding: Politeknik Teknologi Kimia Industri medan

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Section: Original Research Article
Language : EN
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