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Journal : Natural Science: Journal of Science and Technology

PEMANFAATAN LIMBAH SERBUK GERGAJI UNTUK PRODUKSI BIOETANOL MENGGUNAKAN SEL RAGI IMOBIL SECARA BERULANG Novianti, Novianti; Mappiratu, Mappiratu; Musafira, Musafira
Natural Science: Journal of Science and Technology Vol 2, No 3 (2013): Volume 2 Number 3 (December 2013)
Publisher : Univ. Tadulako

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Abstract

Study about the Utilization of sawdust waste as a subtrat in Bioethanol production by using repeated-immobilized yeast cells has been done. The aim of this research was to determine the best ratio of sulfuric acid to sawdust and to determine the optimum hydrolysis time, its in order to get the highest sugars content and alkohol content, and also to know the activity of the immobilized yeast cell for in alkohol production by repeated-use of immobilized cell. It was done by applying  9 levels of sulfuric acid (50%) ratio to sawdust (v/b) {i.e. 2 : 1 (A), 3 : 1 (B), 4 : 1 (C), 5 : 1 (D), 6 : 1 (E), 7 : 1 (F), 8 : 1 (G), 9 : 1 (H) and 10 : 1 (I)}, and 5 levels of hydrolysis time (i.e. 0,5; 1;  1,5;  2; and 2,5) . The result showed that the best ratio of sulfuric acid to sawdust was 5 : 1 (v/b), it could produce the sugars content for about 43,52%. While the best hydrolysis time was 2 hours and it could gave 43,72% of sugars content, when the fermentation proceses was done in 72 hours. The activity of immobilized yeast cell was decreased in repeated-used system, and there was no alcohol can  produced in the fourth time of immobilized yeast cell used.
Co-Authors Abda Abda Abdillah, T. Rafli Abdullah Akhyar Nasution Achmad Chusairi Adi Nugroho Susanto Putro Adrian Adrian Agung Winarno Ahmad Baidawi Akbar Kurnia Putra Alwi Alwi Ambarwati, Lilis Anang Ansyori Anantarini, Ni Putu Dea Andi Indardaya, Andi Andra Novitasari Andriani , Dina Putri Andriani, Noval Anggraeni, Sheny Anita Anita Anwar Anwar APRIANISA, TRI Arifudin arifudin Arita Martini Armytha, Shifana Tri Arviani, Venni Ashabul Kahpi Asih, Situ ASMARIYAH, ASMARIYAH Asmaul Husna Asri asri Ayu Jani Puspitasari Bahri, Serli Basri Basri Budi Ardianto Cut Morina Zubainur Darma, Widia Daryati, Daryati Dedi Mizwar Tarihoran Dedy Armiady Deni Maryani Deni Maryani Denny Prabawa, Aditya Devi Kristina Hutagalung Dhiaurrahmi, Dhiaurrahmi Dian Ariestadi Dina Agusmawati Dini Wulandari Eko Suwarno Emilia Utomo, Emilia Erawan, Putu Eka Ersya, Deramadana Erwin Erwin Erwina Erwina evendi, evendi Fadhilah Zuhroh Fadila, Nurul Faizar Farid Faizaturrahmi, Faizaturrahmi Fajriah Fakhirah, Atikah Faradish, Rido Dian Farida, Gina Farisi, Mochammad Fatiyani, Fatiyani Fatma Zuhra Fauzi Fauzi Febrianita, Tresa Feri Firmansyah, Feri Fitri Ramadhaniati, Fitri Fitria, Laili Fittriyanti, Fittriyanti Fricticarani, Ade Haeriah Haeriah, Haeriah Hamka Hamka, Hamka Handito, Rama Hari Susanto Nugroho Harianti Harianti Hatmono, Prihadi Dwi Hayati, Inna Kamilah Hernita Bella Chantika himalaya, dara Husnidar, Husnidar Ichwanto, M. Aris Ika Dyah Kurniati Ilham, Iromi Ina T, Nur Ismunandar Isnandar Karim Suryadi Kholib, Abdul Kodiran Kodiran Kristamuliana, Kristamuliana Kurniati, Neng LEFIANI, NADIA Lestari, Myrna Lukman Hakim Lutfiah, Jihan M. Husen, M. Machmud Sugandi Mappiratu Mappiratu Marjianto Marjianto Marsudi Marsudi Masdin Masdin Mas’ali, Maniati Maulani, Ira Maulida, Husna Mega Maharani, Nur Ira Menung, Maria Miftahul Jannah Mirunnisa, Mirunnisa Mohammad Musthofa Al Ansyorie MR, M. Husen Mugiyo Mugiyo, Mugiyo Muhamad Parhan Muhammad Akmansyah Muhammad Aris Ichwanto Muhammad Idris Muhammad Rahmatullah, Muhammad Muhammad Reza MUHAMMAD RIZAL Muharramsyah, Rambang Munifah Munifah, Munifah Munir, Abd Murtiadi Awaluddin Musafira Musafira Muslihin Muslihin Mustafa, Refaniga Mustakim Mustakim Mustari Mustari Mustofa Umar Nabila Septyasari Nadia Aulia Nadhirah Nadila, Nadila Naldi Gantika Nisrina Rasyida Noerharyanti, Noerharyanti Novalia Novalia Novitawati Novitawati Nur, Ice Laila Nurdin Nurdin Nuri, Bulan Nurrahmawati, Yulia nurul latifah Nusman, Ariwinarti Oki Dermawan Panjaitan, Annisah Dian Utami Pasha, Vanhar Camal Paulus Kunto Baskoro Pebrianto, Dony Yusra Perdana, Mirwan Surya Pertiwi, Ian Prasetia, Addin Prasetyo, Lery Pratama, Lorenci Chakti Pratiwi, Fadhila Ratu Purnama, Hukma Ratu Putranto, Dwiyono Putri S, Clarita Ayu Putri, Rezi Dwi Putry Hendriyani Qashlim, A. Akhmad Qolbiyah, Aini Qurani, Nurul rachmawati, Ramya Rahayu Repindowaty Harahap Rahima Rahima Rahma Rahma Rahma, Haifa Auliya Rahmah, Husni Rahmawati, Lusy Rahmawati, Rahmawati Rahmi Rahmi Rahmi Wahyuni, Rahmi Rambe, Azhar Ramitang RATNA SETYANINGSIH Reihan, Muchamad Rina Rina Rintia, Rintia Rizal, Erliani Rohenah, Rohenah Rokhmah, Asnalia Safarati, Nanda Safira, Shaila Safitri, Friantiani Sambhojjhanga, Virya Passaddhi Sari, Putri Permata Sartini Sartini Satira, Ulva SEFTIA, BELA ARISNA Sholikah, Inka Pratiwi Sigit, Rahmawati Novia Sijal, Mutakallim Silaban, Christianly Yely Siska Desta Roza Siti Hajar Siti Hardiyanti Siti Hasanah Siti Khaulah, Siti Khaulah Sitti Muthmainnah Sitti Mutmainnah Sjaf, Muhammad Fadhil Afif Azhar Sri Suryoko Suci Rahmawati Sugiharti, Rosi Kurnia Sujiono Sujiono, Sujiono Sukarti Sukarti Supri Antari, Komang Trisna Karang Supriatna, Mamat Suriyati ., Suriyati Surya, Jaka Sutrisna, Eka Suwati, Suwati Suyatno, Tri Suyoko, Dwi Setyo Syamsu Nujum Syarifudin Syarifudin Tanzil, Sri Wahyuni Taqiyah, Raihana Hisan Taufiqurrohman Syahuri Tausiah, Azizah Tempo, Jesika Irena Gabela Udit, Indah Ardhita Ulfiana , Umaya Ulli Kadaria Vernita, Ninda Wahyudi Wahyudi Wardania, Sarina Wayudi, Mauliana Widya wati Wihardiyani, Wihardiyani Wijayanti Wijayanti Winda Winda Wiranata, Oky Chandra Wulan, Ayuning Wulansuci, Ghina Yahdi Kusnadi, Yahdi Yanti, Shelly Devi Yasnani Yasnani, Yasnani Yora Saki, Vernonia Yudhistira, Chrisnanda Iqbal Yulyani, Linda