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All Journal Reaktor JURNAL HUTAN LESTARI Eksergi: Chemical Engineering Journal Abdimas Umtas : Jurnal Pengabdian kepada Masyarakat Hexatech: Jurnal Ilmiah Teknik Journal of Industrial Community Empowerment Jurnal Teknik Kimia dan Lingkungan Jurnal Teknologi Lingkungan Communication in Food Science and Technology
Fahni, Yunita
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Performance Test of Biogas Production from Tapioca Wastewater: Effect of HRT and Immobilized Media Sanjaya, Andri; Arhab, jabir Shoji; Salsabila, Dwinda; Damayanti, Damayanti; Fahni, Yunita; Deviany, Deviany; Agustryani, Putri; Auriyani, Wika Atro; Saputri, Desi Riana
Eksergi Vol 23 No 1 (2026)
Publisher : Prodi Teknik Kimia UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/eksergi.v23i1.16197

Abstract

Tapioca starch industry wastewater contains high concentrations of organic matter, offering potential for renewable energy generation via biogas production. This study evaluates the effects of hydraulic retention time (HRT) variation and Lampung natural zeolite as an immobilization medium on biogas production in an anaerobic reactor. Two reactor configurations were compared: one with zeolite as the microbial immobilization medium and a control reactor without any immobilization media. Zeolite improved the sCOD degradation efficiency up to 93% compared to the non-immobilized reactor. VFA conversion to methane remained more stable with zeolite, producing up to 520 mL of biogas at a 10-day HRT, with an average biogas yield of 61.97 mL/g dry substrate, much higher than 4.15 mL/g in the non-immobilized reactor. This research confirms the effectiveness of Lampung natural zeolite for enhancing microbial retention, accelerating methanogenesis, and improving overall anaerobic reactor performance. These results have substantial implications for developing efficient, sustainable, and environmentally friendly treatment technologies for tapioca starch wastewater, offering simultaneous solutions for pollution control and renewable energy generation.
Co-Authors Agustina, Berliana Putri Agustryani, Putri Ahmad, Ihsan Maulana Aja Avriana Said Amelia, Devita Andiani, Balqis Putri Andri Sanjaya Arhab, Jabir Shoji Asfari Ahmad, Raden Fattah Asmarani, Wulan Atro Auriyani, Wika Auriani, Wika Atro Auriyani, Wika Atro Christian Surya Atmaja, Michael Damayanti Damayanti Dennis Farina Nury Deviany Deviany, Deviany Fadhilah, Syalsa Fajar, Mutiara Feerzet Achmad Ikhlas, Fikri Rahmatul Khoryfatul Munawaroh Ladien, Ahmad Fatrijan Listyadevi, Yuniar Luthfia Mahardika, Melbi Mawaddah, Nurul Muhammad Triyogo Adiwibowo Novita, Ella Nyoman Wiswa Kananda, I Prayoga, Ageng Kaka Putra, Muhammad Alparidi Pamungkas Reni Yuniarti Riana Saputri, Desi Rifqi Sufra Rizki Safitra, Edwin Safitra, Edwin Rizki Salsabila, Dwinda Saputri, Desi Riana Surya Ningrum, Riska Variyana, Yeni Yusupandi, Fauzi Zega, Fidel Abdiman