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All Journal Reaktor Jurnal Sains Dan Teknologi Lingkungan Jurnal Sains & Teknologi Lingkungan Specta Journal of Technology Indonesian Journal of Multidisciplinary Science Asian Journal of Social and Humanities
Gabriel Andari Kristanto
Fakultas Teknik, Universitas Indonesia, Indonesia
Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Public Health Social Sciences

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Journal : Indonesian Journal of Multidisciplinary Science

 1 
Landfill design based on methane gas emission estimates at Jatibarang Final Disposal Site (TPA) in Semarang City using LandGEM 3.03 and its potential utilization as an energy source Sukma, Bayu; Kristanto, Gabriel Andari; Dahlan, Astryd Viandila
Indonesian Journal of Multidisciplinary Science Vol. 4 No. 5 (2025): Indonesian Journal of Multidisciplinary Science
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/ijoms.v4i5.1092

Abstract

This study aims to analyze the landfill design based on the estimated methane gas emissions at the Jatibarang Landfill, Semarang City, using the Landfill Gas Emissions Model (LandGEM) software version 3.03 and evaluate its potential utilization as an energy source. The study uses a quantitative approach utilizing mathematical modeling to estimate the estimated gas emissions from the landfill. The results show that the potential for electrical energy that can be generated from landfills is high enough to be recommended for management using the concept of Waste to Energy (WTE) into electrical energy. The recommendation that will be discussed is the management of methanogas emissions by being used as electrical energy, emphasizing infrastructure improvements for optimal energy production and reducing greenhouse gas emissions. This study could also incorporate real-time monitoring of gas emissions and energy production to better understand the dynamics of waste decomposition and the benefits of electricity generated from waste could foster community support for PLTSa initiatives.
The contribution of waste management to GHG emission reduction in urban areas (Case study of Jongkong Landfill, Bangka Tengah Regency, Bangka Belitung Islands Province) Della, Sevia; Kristanto, Gabriel Andari; Dahlan, Astryd Viandila
Indonesian Journal of Multidisciplinary Science Vol. 4 No. 5 (2025): Indonesian Journal of Multidisciplinary Science
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/ijoms.v4i5.1093

Abstract

This study aims to evaluate the potential of various waste management scenarios to reduce greenhouse gas (GHG) emissions in urban settings, focusing on the Jongkong landfill in Bangka Tengah Regency, Indonesia. The methodology involved collecting data on waste generation, composition, and current practices from municipal records, categorizing municipal solid waste (MSW) into organic, plastic, and other waste types. Four waste management scenario scenarios were modeled: the Business as Usual (BAU) scenario, which reflected current disposal practices, a Biological Scenario that processed organic waste through anaerobic decomposition to produce biogas, and a thermal scenario that utilized pyrolysis for plastic waste to recover energy. The combined scenario showed the best emission efficiency with the lowest net emission value, which is 10,436.22 kg CO2 eq per year, compared to other scenarios. The biological scenario showed a better net emission than the existing one (17,467,402.15 kg CO2/year), supported by the application of anaerobic digestion (AD) which helps reduce emissions. The thermal scenario also showed good performance by generating net emissions of 2,645,866.25 kg CO2-eq/year, driven by the contribution of pyralysis and the reduction of emissions from open burning and indiscriminate disposal. This study not only enhances understanding of GHG emission reduction strategies but also contributes to the development of tailored waste management policies that can be implemented in similar urban contexts. This novel approach highlights the synergistic benefits of combined waste treatment technologies, offering actionable insights for policymakers and contributing localized data to enhance sustainable waste management practices in Indonesia.
Estimation of Greenhouse Gas (GHG) emissions in waste management in Pekanbaru City, Indonesia Hilal, Zia Ru`ya; Kristanto, Gabriel Andari; Dahlan, Astryd Viandila
Indonesian Journal of Multidisciplinary Science Vol. 4 No. 5 (2025): Indonesian Journal of Multidisciplinary Science
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/ijoms.v4i5.1094

Abstract

Municipal waste production in Indonesia is rapidly increasing due to population growth and economic development, contributing significantly to greenhouse gas (GHG) emissions. This research aims to develop effective waste management scenarios for Pekanbaru City, focusing on reducing GHG emissions through integrated treatment methods. Employing a comprehensive methodology, the study estimates GHG emissions from various waste management practices, including biological, thermal, and mixed methods. The research utilizes a basic model to calculate emissions based on activity data and emission factors, exploring current practices and innovative strategies like Black Soldier Fly (BSF) larvae for organic waste treatment. Findings reveal that the Mix scenario, which combines multiple waste management processes, results in the most significant reduction of GHG emissions, achieving a net emission of 112,985.89 tons of CO?-eq/year, compared to the existing scenario with 637,864.33 tons of CO?-eq/year. The study identifies key emission hotspots, emphasizing the need for improved management of organic waste through composting and recycling. The implications of this research highlight the importance of adopting integrated waste management strategies to mitigate GHG emissions effectively. The findings provide actionable insights for policymakers, promoting sustainable practices aligned with the 3R hierarchy (reduce, reuse, recycle) and supporting targeted interventions that can enhance environmental sustainability in urban settings.
Co-Authors Ariessyawtra Raindra Lamurvie Aristiati Ratna Aristiati Ratna Banaget, Cut Keumala Dahlan, Astryd Viandila Danumihardja, Irma Gusniani Della, Sevia Djoko M Hartono Dwi Rahayu Evy Novita Hilal, Zia Ru`ya Irma Gusniani Jachrizal Sumabrata Siti Kurnia Astuti Siti Kurnia Astuti, Siti Kurnia Sukma, Bayu Syaiful Amin Syifa Aulia Rahmah William Koven