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All Journal Reaktor JURNAL KIMIA SAINS DAN APLIKASI JURNAL TEKNOLOGI LINGKUNGAN Jurnal Teknik Kimia Journal of Natural Sciences and Mathematics Research Briliant: Jurnal Riset dan Konseptual Journal of Research and Technology IJEMS (Indonesian Journal of Environmental Management and Sustainability) Civil and Environmental Science Journal (CIVENSE) Chemistry Indonesian Journal of Chemical Research Jurnal Crystal : Publikasi Penelitian Kimia dan Terapannya Jurnal Inovasi Teknik Kimia ASEAN Journal of Community Engagement G-Tech : Jurnal Teknologi Terapan Nusantara Science and Technology Proceedings International Journal of Eco-Innovation in Science and Engineering (IJEISE) Envirous Sinergi Polmed : Jurnal Ilmiah Teknik Mesin Ranah Research : Journal of Multidisciplinary Research and Development Serambi Engineering JURNAL REKAYASA KIMIA & LINGKUNGAN
Ketut Sumada
Chemical Engineering Department, Faculty Of Engineering And Science, Universitas Pembangunan Nasional “Veteran” Jawa Timur
Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Transportation Other

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Journal : Serambi Engineering

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Pengolahan Limbah Yeast Mud Menjadi Pupuk Organik Padat Menggunakan Metode Composting Aerob Amelia Putri Kusherawati; Clareta Rahmawati Maudy; Ketut Sumada; Caecilia Pujiastuti; Srie Muljani
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Bioethanol is one of the alternative materials that can reduce dependence on non-renewable fuel oil. The process of making bioethanol produces by-products in the form of waste. Yeast mud is solid waste from the initial precipitation process of ethanol production. Yeast mud contains organic carbon of 39.33%, total nitrogen as nitrogen compounds of 1.76%, and a C/N ratio of 22. The organic carbon content contained in yeast mud exceeds the 2018 SNI value of a maximum of 32%. This study aims to determine the time needed to produce solid organic fertilizer in accordance with the Indonesian National Standard. The parameters used to determine the quality of solid organic fertilizer produced are C-Organic content, Nitrogen content, and C/N ratio. The method used in this research is aerobic composting with variations in the mass of yeast mud waste (1 kg; 2kg; 3 kg; 4 kg; and 5 kg) and variations in composting time (3; 4; 5; 6; 7 days), as well as an aeration rate of 1.5 l/min. The results showed that the C-Organic content that met the maximum SNI standard of 32% was obtained under the condition of a mass of yeast mud waste of 1 kg with a time of 5 days with a C-Organic content of 31.45% and a mass of yeast mud waste of 2 kg with a time of 7 days with a C-Organic content of 31.96%.
Pemanfaatan Limbah Mikroorganisme Anaerob Proses Biogas Menjadi Pupuk Organik Padat Erda Roriza Putri Redina; Niken Febrila Awardani; Ketut Sumada
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The production process of biogas, which utilizes anaerobic biological processes, not only results in biogas but also produces slurry in the form of microorganism waste over time. The increasing number of anaerobic microorganism processes presents challenges that make it inadvisable to directly dispose of this anaerobic microorganism waste into the environment, as it has the potential to be a pollutant. Environmental management efforts can involve utilizing this waste to create solid organic fertilizer. This is due to the fact that the waste contains essential nutrients for plants, including nitrogen (N), carbon (C), phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), copper (Cu), and zinc (Zn). Despite the presence of both macromolecular and micromolecular organic matter, the C-organic content of anaerobic microorganism waste exceeds the minimum standard for solid organic fertilizer C/N ratio of 25, with a value of 49.62. A variety of techniques may be employed to reduce the C-organic content of anaerobic microorganism waste, including aerobic composting. The objective of this research is to ascertain the C-organic (C) and nitrogen (N) content in the solid organic fertilizer produced and to gain insight into the influence of air flow rate (oxygen) (liters/minute) and composting time (days) on the quality of the solid organic fertilizer produced. The findings of the study indicate that an increase in composting time results in a reduction in the C/N ratio, with a stabilization observed during a seven-day composting period, exhibiting a C/N ratio value of 18.05. An increase in the air flow rate results in a notable reduction in the C/N ratio. The greatest reduction, amounting to 65.85%, was observed when an air flow rate of 8.5 L/minute was employed.
Co-Authors Adinda Rimarsya Bahita Ahmad Adzani, Mayla Fayzza Aisyah Alifatul Zahidah Rohmah Alifah Nur Aini Fajrin Amelia Putri Kusherawati Anarchie, Thafie Ghilas Anggelina, Efline Anggoro, Achmad Rahditya Viman Anggraeni, Verendria Putri Caesar Anggun, Brendayani Arianti, Rahma Dea Rerindra Arief S, Purwanto Bambang Wahyudi Wahyudi Berliana Ayu Emilia Candra Dewi Caecilia - Pujiastuti Caecilia Pudjiastuti Caecilia Pujiastuti Caecilia Pujiastuti Caecilia Pujiastuti Caecilia Pujiastuti Chaerani, Novika Cahya Cindy Saskia Damayanti Clareta Rahmawati Maudy Delfian Lutfiananda Dewi, Dwi Kirana Ika Candra Dimas Agus Andriansyah Dwi Hery Astuti Dyah Suci Perwitasari Effendi, Anggi Aulia Putri Erda Roriza Putri Redina Erwan Adi Saputro Fahturrozak, Ahmad Farhan Azka Nashuha Hamzah, Maditya Amirul Jaenuri, Abdul Rahman Khadafi Kindriari Nurma Wahyusi Laila, Indah Nur Meriana Armidianti Meriska Diva Nadia Putri Amrulloh Meutia Familya Monica, Clarissa Putri Muhimatur Rosida Nailah Rosikah, Nasywa Ni Ketut Sari Niken Febrila Awardani Noni Aulia Nove Kartika Noviardyanti, Fara Zabrina Palaguna, Kadek Aditya Pamoedji, Yemima Natalia Eka Kristiyanti Pingky Fantika Wulandari Pradana, Alfian Rizki Priambodo, Melandy Dwi Pujiastuti, Caecilia Pujiastuti, Caecilia Pujiastuti, Caecilia Pujiastuti, Caecilia Pujiastuti, Caecilia Pujiastuti, Caecilia - Putri, Dinar Ismilla Rahmawati, Belinda Tri Setya Rahmawati, Fajar Nanda Raka Selaksa Charisma Muchammad Ramadhan, Mochamad Rafli Retno dewati Retno Dewati Reza Salsabilla Kafy S Suprihatin Safira, Lutfia Rima Saudhia Aulizya Niswatul Khusna Selvia Sofi Yanti Setiani, Astri Silviana Ariana Sintha Soraya Santi Sri Muljani Sri Muljani SRIE MULJANI Suprianti, Lilik Suprihatin Suprihatin Susilowati Tiur Lina Tri Andini Agustin Verbiawan, Erza Anggara Vica Brilliany Sanjaya Vidyantari, Lyra Widya P, Vika Widyaningrum, Nilam Putri Yogaswara, Rachmad Ramadhan Yuriko Tiara Yustina Ngatilah Yustina Ngatilah Zain, Tama Rahmandha