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Totok Wianto
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Journal : International Journal of Renewable Energy Development

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Bio-briquettes from tea fluff biochar: a response surface methodology study on particle size, resin gum-adhesive, and used cooking oil immersion time Suryajaya, Suryajaya; Agustian, Egi; Haryanti, Ninis Hadi; Prasetia, Hafiizh; Rahmah, Siti; Kurniawan, Hendris Hendarsyah; Wianto, Totok; Ramadhoni, Benni F; Manik, Tetti Novalina; Annisa, Nova; Rezamela, Erdiansyah; Sulaswatty, Anny
International Journal of Renewable Energy Development Vol 14, No 5 (2025): September 2025
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2025.60877

Abstract

Fluff tea is the residual solid waste generated in the green tea industry and holds the potential for development as a solid fuel in bio-briquettes. This study transformed fluff tea into bio-briquettes utilizing biochar produced through slow pyrolysis. The study aimed to optimize bio-briquettes production from fluff tea using the Response Surface Methodology (RSM) approach through proximate analysis. The cylindrical bio-briquettes were produced using biochar particle sizes of 850, 500, and 150 μm, resin gum adhesive concentrations of 10%, 15%, and 20%, and immersion times in cooking oil of 0, 3, and 6 minutes. The results showed that the overall response by the p-value was <0.05, and the lack of fit was insignificant (p-value >0.05). The findings indicated that the calorific value of tea fluff rose from 4,482.56 cal/g to 6,374.98 cal/g after conversion to biochar. The optimum conditions for producing tea fluff bio-briquettes were a particle size of 850 μm, adhesive concentration of 11%, and immersion time of 5 minutes. The bio-briquettes exhibited a moisture content of 3.53%, ash content of 5.65%, volatile matter of 14.75%, fixed carbon of 76.14%, calorific value of 7,796.37 cal/g, combustion rate of 0.11 g/min, density of 1.22 g/cm3, and compressive strength of 35.57 N/cm2. Most tea fluff briquettes' properties had met Indonesia's briquettes standard. The production of bio-briquettes from tea fluff waste is a viable alternative fuel for both industrial and domestic applications.
Co-Authors Abdul Gafur Abdulah Hamdi Abdulah Hamdi Agung Nugroho Ahmad Rusadi Arrahimi - Universitas Lambung Mangkurat) Ahmad Rusadi Arrahimi - Universitas Lambung Mangkurat) Akhmad Faisal Akhmad Faisal Ana Ulfah Andy Mizwar Anny Sulaswatty, Anny Apriana, Susi Azizah, Laela Azwari, Ayu Riana Sari Azwari, Ayu RianaSari Darminto . Darminto Darminto Dewi Amelia Widiyastuti Dodon Turianto Nugrahadi Egi Agustian Erdiansyah Rezamela, Erdiansyah Erlina Natasya Kurniasari Fahrudin, Arfan E Fitriana, Iin Noor Gunawan Gunawan Gunawan Gunawan Gusti Atika Urfa Gusti Rusmayadi Hafiizh Prasetia, Hafiizh Hendris Hendarsyah Kurniawan, Hendris Hendarsyah Heri Budi Santoso Husna, Wardatul Husnul Madihah, Husnul Idiannor Mahyudin Intan Fitrianti, Intan Ishaq Ishaq Ishaq Ishaq Janah, Raihul Karmaili, Karmaili Kartika, Listiana Khoerul Anwar Khoerul Anwar Liling Triyasmono Manik, Tetti Novalina Maya Safitri Meta Widyayanti Meta Widyayanti Minarto, Ori Muhaemina, Maulanie Muhammad Ikhwan Rizki Muhammad Itqan Mazdadi MUHAMMAD NUGROHO, MUHAMMAD Muhammad Rif&#039;an Abdi Muhammad Saukani Muhammad Solih Afif Muthia Elma Nabila, Nisrina Najmi, M. Ikhwan Nasrulloh, Amar V Nasrulloh, Amar Vijai Ninis Hadi Haryanti, Ninis Hadi Nova Annisa, Nova Nurma Sari Nurma Sari, Nurma Oktafiansyah, Rahmad Ori Minarto Ori Minarto Ori Minarto Pahmiansyah Pahmiansyah Pahmiansyah, Pahmiansyah Rachman, Rezky Rachmadhany Raihul Janah Raisa Kusuma Dewi Raisa Kusuma Dewi Ramadhoni, Benni F Reida, Rina Rina Reida Saragih, Triando Hamonangan Saukani, Muhammad Seftina, Rahmi Sembiring, Rinawati Simon Sadok Siregar, Simon Sadok Sri Cahyo Wahyono Suarso, Eka Sudarningsih Sudarningsih Sudarningsih Sudarningsih Sudarningsih Sudarningsih Sudarningsih Sudarningsih Sudarningsih Sudarningsih Sudarningsih Sudarningsih Sudarningsih Sudarningsih Suminar Pratapa Sunardi Sunardi Sunardi, Ph.D., Sunardi Suryajaya Suryajaya, Suryajaya Utami Irawati Utomo, Edy Setyo Wahyono, Sri C Wardatul Husna Widya Utama Widya Utama