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All Journal Eksergi: Chemical Engineering Journal KOVALEN: Jurnal Riset Kimia JC-T (Journal Cis-Trans): Jurnal Kimia dan Terapannya Chemistry Indonesian Journal of Chemical Research FLUIDA JKPK (Jurnal Kimia dan Pendidikan Kimia) Jurnal Sains dan Teknologi Reaksi International Journal of Applied Technology Research Jurnal Difusi Industrial Research Workshop and National Seminar Journal Serambi Engineering (JSE) Journal of Green Science and Technology
Paramitha, Tifa
Politeknik Negeri Bandung
Aerospace Engineering Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Transportation Other

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Journal : Eksergi: Chemical Engineering Journal

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Utilization of Coconut Shell and Coffee Grounds as Briquettes Using the Carbonization Method Adhitasari, Alfiana; Manfaati, Rintis; Paramitha, Tifa; Zahwa, Keisya Adellia; Setiawan, Kiranna Shalmadevy; Yusuf, Yusmardhany
Eksergi Vol 22 No 3 (2025)
Publisher : Prodi Teknik Kimia UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/eksergi.v22i3.15128

Abstract

Biomass-based briquettes offer a renewable energy alternative that can help reduce CO₂ emissions. Coconut shells and coffee grounds are promising waste materials due to their high calorific value. This study aimed to optimize the composition and carbonization time in producing briquettes from these two materials. The briquettes were prepared following SNI 01-6235-2000 and export briquette standards. The process included drying, carbonization at 300 °C for 60, 90, 120, 150, and 180 minutes, sieving, mixing, molding, and drying. Coconut shells and coffee grounds were mixed at weight ratios of 9:1, 8:2, 7:3, 6:4, and 5:5 with a total of 46.5 grams and 8.5 grams of adhesive. Briquette quality was evaluated based on moisture content, ash content, volatile matter, density, calorific value, and fixed carbon. The 9:1 composition yielded the highest calorific value of 6,472 cal/g, while a carbonization time of 90 minutes produced the best calorific value of 6,504 cal/g. The results show that a high proportion of coconut shells with limited coffee grounds and optimal carbonization time can produce briquettes with high energy potential, suitable for use as an alternative fuel.
Co-Authors -, Alfiana Adhitasari Agustin, Delliana Aji, Restu Alatif, Ikhsan Akmal Alfiana Adhitasari Amelia Nur Aliah Andrijanto, Eko Anggraini, Yuki Martha Arijan Vevayose Tarigan Aulia, Bunga Azzahra, Rafila Chika Azzahra, Tarisha Aulia Bambang Soeswanto binti Jamaluddin, Jamarosliza Dwi Irmawati, Dwi Elizabeth, Lidya Endang Kusumawati Endang Kusumawati Gamaliel Tanaka Hariyadi, Tri Herawati Budiastuti Heru Hermawan Hidayatulloh, Irwan Irianto, Indra Jayanti, Retno Dwi Kharisma, Luthfiana Kurnia, Dianty Rosirda Dewi Lestari Herlianti Putri Luviana, Angely Malik, Dava Maulana Manfaati, Rintis Muhammad Misbahussalam Muhari, Emma Hermawati Mukhtar Ghozali Ngatin, Agustinus Nidaulhusna, Anisa Nirmala Utami Nurbaits, Alisya Nurhasanah, Santy Nurul Annisa Nurulgina, Rahma Permatasari, Rahma Puspa Putri, Angelina Rachmawati, Anissa Nurul Rahma Ardelia Raissa Rahmawati, Sri Puji Ramadhan, Muhammad Zikri Ramadhani, Laily lsna Retno Indarti Reynaldi, Randi Rivaldo Rofie Fauzi Budiman Rizky Setianto Robby Sudarman Rusdianasari Rusdianasari Sabinna Azahra Sulaeman Salsabila, Iva Najwa Salsabila, Salwa Ainaya Salsabila, Shafira Salsabilla, Iva Najwa Sari, Radianti Novita Setiawan, Kiranna Shalmadevy Setyaningrum, Sinta Shafira Yulianthina Sihombing, Rony Sihombing, Rony Pasonang Suryadi, Joko Taufiqurohim, Teguh Teguh Aditya Nugraha Tika Paramitha Tika Paramitha Tri Reksa Saputra Trirahayu, Dhyna Analyes Unung Leoanggraini Utami, Khoirunnisa Wardana Putra, Adzikri Yusuf, Yusmardhany Zahwa, Keisya Adellia