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All Journal Buletin Peternakan Jurnal Rekayasa Proses International Journal of Renewable Energy Development Teknotan: Jurnal Industri Teknologi Pertanian Jurnal Keteknikan Pertanian Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Journal of Engineering and Technological Sciences agriTECH Indonesian Journal of Science and Technology Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Rekayasa Proses INTERNATIONAL JOURNAL OF NURSING AND MIDWIFERY SCIENCE (IJNMS) Jurnal Pengabdian Kepada Masyarakat (JPKM) Tabikpun Jurnal Agricultural Biosystem Engineering Journal of Scientific Research, Education, and Technology Aceh International Journal of Science and Technology Education, Language, and Arts: Jurnal Pengabdian Kepada Masyarakat International Journal of Sociology and Law Jurnal Rekayasa Proses
Agus Haryanto
Jurusan Teknik Pertanian, Fakultas Pertanian, Universitas Lampung Jl Soemantri Brojonegoro No. 1 Kampus Gedong Meneng, 35145 Bandar Lampung
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Journal : Jurnal Rekayasa Proses

 1 
Pengaruh komposisi subtrat dari campuran kotoran sapi dan rumput gajah (Pennisetum purpureum) terhadap produktivitas biogas pada digester semi kontinu Agus Haryanto; Rivan Okfrianas; Winda Rahmawati
Jurnal Rekayasa Proses Vol 13 No 1 (2019): Volume 13, Number 1, 2019
Publisher : Jurnal Rekayasa Proses

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jrekpros.41125

Abstract

This study aims to determine the effect of substrate composition on biogas production from a mixture of cow dung and elephant grass using semi-continuous digester. Fresh cow dung and elephant grass were obtained from Department of Animal Husbandry, Faculty of Agriculture, University of Lampung. Elephant grass was knife-chopped, crushed using a blender and then mixed with cow dung at a total solid (TS) ratio between elephant grass and cow dung varies from 35:65 (P1), 40:60 (P2), 45:55 (P3), and 50:50 (P4). This mixture was then diluted with tap water until its TS content reach 5% and was used as substrate. Four semi-continuous digesters (labeled as P1 to P4) having a capacity of 36 L and working volume of 28 L were initially loaded with 22 L of diluted fresh cow dung (dilution ratio of 1:1) as a starter (source of bacteria) and were left until stable condition. When the biogas was produced, the prepared substrate was added daily into the respective digester at a loading rate of 500 mL.d-1. Parameters to be observed included daily temperature and pH of the substrate, daily biogas production, TS and VS content, and biogas quality. The results showed that the digester worked at average pH of 6.9 and the daily temperature 26.3 to 29.7°C. The total biogas production for 60 days was 608.4, 676.8, 600.0, and 613.3 L, respectively for P1, P2, P3, and P4. Biogas yield after the substrate achieving the designed composition was 254 (P1), 260 (P2), 261 (P3), and 271 L.m-3 of the substrate (P4). The addition of elephant grass up to 50% could maintain high production of biogas.
Co-Authors Afrian, Chandra Agata Desinta Yoanma Aldi Saputra Alim Fadila Rahman Amieria Citra Gita Amieria Citra Gita Anak Agung Gede Sugianthara Bagus Saputra Budianto Lanya Budianto Lanya Christine Wulandari David SS Marpaung Dermiyati Dermiyati dewi Agustina Iryani Dewi Agustina Iryani Dewi Agustina Iryani Dewi Agustina Iryani, Dewi Agustina Disca Anggi Pratiwi Dwi Cahyani Dwi Cahyani Dwi Dian Novita Dwi Haryono Dyah Isworo Eka Noer Soe'mah Eka Noer Soe'mah Eka Oktaviani Elhamida Rezkia Amien Elhamida Rezkia Amien Eza Yolan Yuswansyah Febryan Kusuma Wisnu Febryanto, Indra Gumay Gita, Amiera Citra Gusri Akhyar Ibrahim Hizami Ch Anwar Indah Kusmindarti Indra Gumay Febryano Irma Thya Rani Irwan Sukri Banuwa Jacky Michael Pah Jamalam Lumbanraja Jiho Yoo Karina Gracia Agatha Tambunan Khoiril Anam Kusuma Adhianto Liman Liman Lisman Suryanegara Lutfi Wahyuni Mareli Telaumbanua Melya Riniarti Mirwan Saputro Mochamad Zakky Muhamad Inu Fauzan Muhammad Agus Windra Muhammad Amin Muhammad Haviz Muhtarudin muhtarudin Mulyani, Yessi Murdapa, Fauzan Nomi Setyowati Nur Soemah, Eka Oktafri Oktafri Ovita Yozana Puspita Yuliandari Rahmi Adi Bazenet Raizummi Fil’aini Rani, Irma Tya Ristanti Ristanti Rivan Okfrianas Rizky Wahyuni Rizza Wijaya Sandi Asmara Sangdo Kim Savinda Afista Seldi Prayoga Shilvia Vera Sinaga Shintawati Shintawati Shintawati, Shintawati Sigit Prabawa Sihyun Lee Sisi Agustin Siti Asfiatul Mukaromah Siti Mutiara Ridjayanti Siti Suharyatun Sri Hidayati Sri Rahayoe Sri Waluyo Sugeng Triyono Suharyadi Suharyadi Tamrin Tamrin Tamrin, Tamrin Titin Yulianti Tri Wahyu Saputra Tri Wahyu Saputra Tri Yulianto Tri Yulianto Ucok Hasiholan Udin Hasanudin Udin Hasanudin Udin Hasanudin Udin Hasanudin Ully Silviana Viffit Desiyana Wahyu Hidayat Wahyu Ratnaningsih Warji Warji Winda Rahmawati Winda Rahmawati Winda Rahmawati Winda Rahmawati Winda Rahmawati Winnugroho Wiratman, Manfaluthy Hakim, Tiara Aninditha, Aru W. Sudoyo, Joedo Prihartono Wulan Sari Zelzha Arinnesia Varanita