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Journal : Indonesian Green Technology Journal

Bioethanol Production from Oil Palm Empty Fruit Bunches Using R5I3 Isolate Immobilized on Sodium Alginate Beads Ida Bagus Wayan, Gunam; Yanti Sinurat, Dame; Wartini, Ni Made
Indonesian Green Technology Journal Vol. 14 No. 1 (2025)
Publisher : Sekolah Pascasarjana, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.igtj.2025.014.01.04

Abstract

Indonesia is the world's largest palm oil producer, contributing 59% of the total global production. The decreasing availability of fossil fuels contrasts with the increasing energy demand due to population growth. The development of bioethanol as an alternative energy source is expected to replace fossil fuels while contributing to environmental sustainability. Oil palm empty fruit bunches (OPEFB) are abundant industrial waste which is a potential raw material for bioethanol production. This study aims to analyze two different R5I3 cell treatments and fermentation time on bioethanol production from OPEFB and to determine the type of cell and fermentation time that produces the highest bioethanol content. The experiment was conducted using a Randomized Block Design with two factors: cell treatment types (free and immobilized cells) and fermentation time (24, 48, 72, and 96 hours). The results showed that cell treatment types significantly affected reducing sugar content, pH, total dissolved solids, and ethanol concentration. Fermentation time influenced reducing sugar content, total dissolved solids, and ethanol concentration but had no significant effect on pH. The treatment of immobilized R5I3 cells with a fermentation time of 72 hours produced bioethanol with the highest ethanol content of 1.02% (v/v).
Co-Authors A. A. P. A. Suryawan W Aldi Oktavian Alfridus Sandro Dacosta Perdisen Aman Julianto Amenra Ramzi Naz Amna Hartiati Anak Agung Made Dewi Anggreni Aprilianti, Bunga Ardhinata Antares Arfira Khofifah Bambang Admadi Harsojuwono Bimby Issassam Devi, Putu Nandya Sri DEWA AYU ANOM YUARINI Dewi, Ni Putu Satya Kencana Dr.Ir. Yunianta, DEA Erina Novandri Elsa Erna Sri Rahayu Ezra Agitian Ezra Elkana Karo Sekali Febriyawati Cahyanty Nugraha G.P. Ganda Putra G.P. Ganda Putra Gede Gora Adrista Gst Ayu Kd Frety Yudharini Gusti Ayu Gayatri Amasdenia Sukarno Gusti Ayu Mas Alstonia Parnawan I Dewa Gde Mayun Permana I Gede Esti Widiantara I Gusti Ayu Purnamawati I Gusti Gde Satria Anggakara Putra I Gusti Ngurah Agung Paranatha I Gusti Ngurah Pratama Putra I Gusti Ngurah Pungki Wiraguna I Kadek Aditya Prasatya I Kadek Agus Nuada I Ketut Gede Putra Adiyasa I Komang Budha Astawa I Komang Wiria Santiyoga I Made Adi Parimartha I Made Anom Sutrisna Wijaya I Made Dwipayana I Made Sugiastawa I Made Sugitha I Made Supartha Utama I Nyoman Bangbang Primaryadi I Putu Suparthana I W.G. SEDANA YOGA I Wayan Arnata I Wayan Eggy Perdana Putra I Wayan Mika Pratama I Wayan Putra Adiyasa I.W.G.S. Yoga Ida Ayu Ary Widnyani Ida Ayu Dwi Giriantari Ida Ayu Putu Arik Cahayanti Ida Bagus Alit Arcana Ida Bagus Ananta Wibawa Ida Bagus Wayan Gunam Ida Bagus Wayan, Gunam Ida Bagus Yogaswara Ika Martoquito Lumbanraja Irena Savitri Kadek Ngurah Ghandhi Danu Subagan Kesia Teodora Br Ginting Komang Adi Darmawan Lintang Mandan Madani Luh Putu Ayu Evitasari Cesarini Luh Putu Trisna Darmayanti Luh Putu Wrasiati Lutfi Suhendra Made Gabhina Aryayustama Made Gde Wisnu Merta Made Hary Sayoga Made Meigasari, Made Made Puspa Aridona Made Wahyu Nadaiswara Putra Ni Gst Ayu Kade Ratih Permata Sari Ni Kadek Eka Wati Ni Kadek Maya Isadora Ni Kadek Sinarwati Ni Kadek Wiji Astuti Ni Ketut Wiradnyani Ni Made Dewi Indriyani Ni Made Ratih Despianti Ni Made Ria Oka Antari Ni Nyoman Budiasih Ni Putu Diah JuliantariD Ni Putu Eny Sulistyadewi Ni Putu Noviantari Ni Putu Puspadi Aristyanti Ni Putu Suwariani Ni Wayan Wisaniyasa Novia Esterulina Purba NYOMAN SEMADI ANTARA Pande Komang Suparyana Permana, I. D.G. Mayun Poppy Diana Sari Pranayasa, Wayan Angga Prayoga, Dewa Gede Eka Purnama Yanti, Gusti Ayu Kade Diana Purnami, Ni Gusti Ayu Kade Sintya Ari Putu Timur Ina Rahel Br Ginting Rian Lamhot Parasian Hutabarat Rukmi Sari Hartati Rurini Retnowati Sadyasmara, Cokorda Anom Bayu Sagung Ayu Bulan Julia Saraswati Sang Ayu Sri Eka Oktari Sarah Chairunnisa Sasha Patrisia SATRIYAS ILYAS Sixtania Ijo Magho Sri Mulyani Sri Mulyani Suwariani, Ni Putu Suwarini, Ni Putu Tiara Noviyani Tri Susanto Vonny Tanone Widnyani, Ida Ayu Putu Ary Yanti Sinurat, Dame Yemima Maria Lasma Roha Sitompul Yohannes Eko Putra Simanullang Zainul Fikri