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Journal : Reaktor

The performance of a pilot-scale anaerobic hybrid bioreactor on palm oil mill effluent treatment Adrianto Ahmad; Bahruddin Bahruddin; David Andrio; Amir Hamzah
Reaktor Volume 19 No. 3 September 2019
Publisher : Dept. of Chemical Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (355.244 KB) | DOI: 10.14710/reaktor.19.3.111-116

Abstract

Contemporarily, Indonesia and Malaysia are the largest contributors of crude palm oil (CPO) in the world by up to 40%, and 37.3%, respectively. Furthermore, its production value this year reached 19.7 million tons, where each generates 2.5 m3 of wastewater. Meanwhile, of all the provinces in Indonesia specifically, Riau is the largest supplier for exports by up to 38%, generated from 225 palm oil mills, where a total of 6.3 million tons resulting in the generation of about 15.75 million m3 of wastewater, with organic content between the range of 30,000-60,000 mg COD/l. In addition, one of the uses of this wastewater includes anaerobic processes, with the double benefit of reducing COD concentrations, subsequently applying it as fertilizer, and also in the production of methane gas, as an alternative source of energy. The purpose of this study, therefore, is to observe the effect of bioreactor volume, scale-up on the performance of anaerobic hybrid bioreactors, in the treatment of mill effluents. The technology examined in this study was the anaerobic hybrid bioreactor with the dimensions of length 22 m, width 10 m, and depth 1.5 m, and a total volume of 330 m3, which is impermeable to oxygen, and a 250 m3 effective working volume. This was built and operated at a hydraulic retention time of 1 day, in the Palm Oil Mill of Riau, and the results showed the environmental conditions to range from a pH of 7.2 to 8.0, with temperatures from 320C to 350C, acetic acid of 774 mg/l to 1,180 mg/l, and alkalinity of 2,149 mg/l up to 2,400 mg/l. Furthermore, the performance of these reactors are shown by the highest COD removal efficiency of 77.8%, and a biogas test for the propensity of being applied as an alternative energy source obtained a methane gas concentration of 54%. Keywords: anaerobic, bioreactor, biogas, wastewater, performance, palm oil mill effluent
Co-Authors Achmad Noerkhaerin Putra Adillah, Muhammad Iqbal Adinda Ryvania Abrir Adrianto Ahmad Adrianto Ahmad Agustinus Lamhot Viraro Aini, Keke Nur Alfi Aulia Rahman Amarullah Amarullah Amir Hamzah Andhini Getha Kusuma Anggraini, Melina Dwi Annisa Nur’alifa Anysha Lankari Halim Aprilya, Sondang Ita Aryo Sasmita Aurelia, Keyla Azzah Fizda Bagus Anugrah Bahruddin Basopi, Hasbi Cahyani, Anugrah Christiani Widia BR Karo Daniel Ilham Wahyudi Davidson Davidson Dessy Natalia DESSY NATALIA Dewi Fitria Dikki Awanda Dzaki Furqoon Edward HS Eko Hendi Saputra, Eko Hendi Elvi Yenie, Elvi Ester Melinda Evelyn Evelyn EVELYN EVELYN Fachry Abda El Rahman Fatra, Waman Ferdy Ashari Syawal Fikri Julian Fri Murdiya, Fri Gusti Rahayu Hadi Purnama Putra, Hadi Purnama Hari Rionaldo Hasmad Setyadi Ikhwanul Ikhsan Indra Hidayatul Mubarah Intan Sri Rahmi, Intan Sri Ivnaini Andesgur Jecky Asmura Keke Nur Aini Kesni savitri Kesni Savitri Khalidazia Putri Kiki Ramadanti Kiki Ramadanti Laksono Trisnantoro Lilya Irsianti Fadlilah Lita Darmayanti M Caesar Grendi M Kamal Syah Mahardika, Dewa Ayu Divia Pradhaswari Marisa Handajani Marisa Handajani Maulani, Annisa Maulidya, Syukri May Kristina Maya Ratna Sari Medio Novindra Putra Bayu Mindriany Syafila Mora Rahmayuanda Muhamad Ghifar Alharis Muhamad Gifari Muhammad Al- Hafizd Muhammad Azmi Muhammad Faisal Dharma Muhammad Mardhiansyah Muhammad Reza nadeak, Parade Naomi Ebinasari BR Sembiring Natalina, Riani Nazaris, Nazsha Nayyazsha Nazaris, Nazsha Nayyazsha Niko Ronaldo P. S Novalina Annisa Yudistira Nurul Annisa Pagattari, Hirda Nopma Parlaungan Hasibuan Prayoga Wiguna Priyambada, Gunadi Putri, Gustriana R. Rindu Permatasari Rahmadini Setianingsih Ramadhan, Gentha Ramida Elisa Kristiani Simanjuntak Reno Susanto Retna Julita Retno Dwi Pangastuti Rika Kristin Riri Shania Risma Nopita Risma Nopita Rizaldi Riski Irawan Rudhi Andreas Komang, Rudhi Andreas Sanny Amir Arasy Saputra, Muhammad Ramadhan Sari, Sunitha Shella Zahrawani Shifa Rayni Efendi Shinta Elystia Shinta Nurdiyanti Sinta Sinta Sisri Wantri Sanjaya Manalu Siti Aisyah Sukma Sri Rezeki Muria Sunitha Sari SUSANTO, RENO Syamsiar, Syamsiar Syarfi Daud tania, Nindy Topan Herianto Trio Yudha Putra Ulfah Nurulita Ulva Seprizal Waman Fatra Wanda Suwarno Yohanes Yohanes Z Zulfansyah Zafira, Nesa Zuchra Helwani Zuchra Helwani, Zuchra