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All Journal International Journal of Renewable Energy Development Jurnal Migasian
Idris, Siti Shawalliah
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Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Engineering Environmental Science

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Sustainable Green Charcoal Briquette from Food Waste via Microwave Pyrolysis Technique: Influence of Type and Concentration of Binders on Chemical and Physical Characteristics Idris, Siti Shawalliah; Zailan, Muhammad Izwadi; Azron, Nabihah; Abd Rahman, Norazah
International Journal of Renewable Energy Development Vol 10, No 3 (2021): August 2021
Publisher : Center of Biomass & Renewable Energy, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijred.2021.33101

Abstract

Turning the food waste into a fuel source such as charcoal briquette was one of the alternatives in managing the food wastes disposal. In this present work, food waste was converted into charcoal by microwave irradiation technique. Application of binders such as potato starch and carboxymethyl cellulose (CMC) at ratios of 5%,10% and 15% for briquetting purpose were investigated in terms of its chemical and physical characteristics. Result showed that the briquette formed using the starch as the binder performed better in combustion quality than that of carboxymethylcellulose (CMC). A good quality of charcoal briquette has capability to withstand impact during packaging, handling, and transportation. Standard physical characteristic that was tested for briquette includes moisture content, compressive strength, and impact resistance. Calorific value of briquette was studied to analyse energy content in the briquette. The study showed that food waste charcoal has calorific value comparable to that of the commercial charcoal. However, the addition of binders showed some reduction in the energy content, with more reduction when CMC is added. In terms of combustion characteristic, the addition of binders does not alter the combustion profile in comparison to the raw food waste charcoal’s profile. The ignition and burnout temperatures of the food waste charcoal briquette showed a better performance with and without binders as compared to the commercial charcoal.  In terms of physical characteristics, CMC has showed as an excellent binder with highest shatter index value. Overall, in terms of chemical properties, addition of 10% starch showed a better performance, while addition of 10% CMC showed a better performance in terms of physical characteristics. This finding is beneficial for briquette industry in the development of green product using biomass, but further research is essential before production of briquette take place.
The Effect of 80 Mesh Palm Kernel Shell Briquetting Pressure on the Mechanical Properties of Briquettes with the Addition of LDPE Plastic Dalimunthe, Yusraida Khairani; Satiawati, Listiana; Widiyatni, Harin; Dahani, Wiwik; Idris, Siti Shawalliah
Jurnal Migasian Vol 9 No 2 (2025): Jurnal Migasian
Publisher : LPPM Institut Teknologi Petroleum Balongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36601/jm.v9i2.374

Abstract

Kelangkaan bahan bakar masih menjadi persoalan serius, baik di tingkat nasional maupun global. Salah satu upaya yang dapat dilakukan untuk mengurangi permasalahan tersebut adalah memanfaatkan biomassa sebagai bahan bakar alternatif dalam bentuk briket. Penelitian ini dilakukan untuk mengetahui bagaimana variasi tekanan pembriketan (30 N/m², 50 N/m², dan 70 N/m²) memengaruhi sifat mekanik tekan briket yang dibuat dari limbah cangkang kelapa sawit (CKS) dan limbah plastik LDPE dengan menggunakan metode yang mengukur hubungan antara tekanan (tegangan) dan regangan yaitu stress-strain analysis. Hasil percobaan menunjukkan bahwa tekanan 70 N/m² menghasilkan nilai densitas paling tinggi, yaitu 790,156 kg/m³, sedangkan tekanan 30 N/m² menghasilkan densitas terendah, yakni 703,381 kg/m³. Nilai modulus elastisitas terbesar juga diperoleh pada briket dengan tekanan 70 N/m² sebesar 50 MPa, sementara nilai terendah 20 MPa ditemukan pada tekanan 50 N/m². Pada uji kuat tekan, tekanan 70 N/m² menghasilkan nilai kekuatan tekan maksimum sebesar 4,450 MPa, sedangkan nilai terendah sebesar 2,947 MPa diperoleh dari briket dengan tekanan 30 N/m². Secara keseluruhan, kombinasi sifat mekanik terbaik baik modulus elastisitas maupun kuat tekan dicapai pada briket yang dipadatkan menggunakan tekanan 70 N/m².
Co-Authors Abd Rahman, Norazah Azron, Nabihah Dalimunthe, Yusraida Khairani Harin Widiyatni Listiana Satiawati, Listiana wiwik dahani, wiwik Zailan, Muhammad Izwadi