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All Journal International Journal Of Science, Technology & Management (IJSTM) International Journal of Educational Research and Social Sciences (IJERSC)
Atthaya Namira Yulianto, Khenza
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Evaluation Of Landfill Management At Gunung Kupang Landfill, Banjarbaru City Atthaya Namira Yulianto, Khenza; Warmadewanthi, Idaa
International Journal of Science, Technology & Management Vol. 6 No. 1 (2025): January 2025
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v6i1.1259

Abstract

Banjarbaru City is the capital city of South Kalimantan Province with waste generation in 2023 of 67,854,410 kg/year. Based on the Banjarbaru City Waste Masterplan for 2021-2025 supported by Banjarbaru City Regulation No. 5 of 2023, one strategy to reduce the amount of waste dumped in landfills is the optimization and development of waste infrastructure including landfills. Waste management at the Gunung Kupang Landfill has not been optimal when viewed from the capacity of waste management. One strategy in the policy of 'Increasing Service Coverage and Quality of Management Systems' in the Masterplan is the rehabilitation of landfills that pollute the environment. Before the landfill was decided to be rehabilitated, an evaluation was carried out using the ARRPET (Asian Regional Research Program on Environmental Technology) method. An overall evaluation of the existing conditions at the Gunung Kupang Landfill has never been carried out so it needs to be carried out using the ARRPET method. The results of the environmental evaluation of the existing conditions of the Gunung Kupang Landfill with ARRPET produced a risk index score of 529.24. This value is included in the risk index with a moderate category so that the recommended follow-up is to rehabilitate the landfill into a sustainable landfill as soon as possible. Therefore, it is planned to build a methane gas installation and landfill mining in landfill zone 2 as a rehabilitation method so that the potential for environmental pollution can be minimized and the life of the landfill can be extended. Based on the evaluation results, the rehabilitation method is feasible to be carried out where the NPV of both rehabilitation methods is positive and the BCR is more than 1.
Estimation Of Greenhouse Gas Emissions At Gunung Kupang Final Processing Site Landfill Using The IPCC Method Yulianto, Khenza Atthaya Namira; Abrar Firdausy, Muhammad; Riduan, Rony; Puteri Mahyudin, Rizqi
International Journal of Science, Technology & Management Vol. 4 No. 1 (2023): January 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i1.729

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Methane gas (CH4) is one of the main Greenhouse Gases (GHG), which contributes 14.5% to global warming. The methane gas potential that can be created from final processing site landfills in 45 big cities in Indonesia in 2010 reached 11,390 tons of CH4/year or the equivalent of 239,199 tons of CO2/year. The decomposition process that occurs in the waste pile will produce methane emissions and be released into the atmosphere by 50-60%. Gunung Kupang final processing site is a final processing site that serves the Banjarbaru City area in addition to the Banjarbakula Regional final processing site, with waste coming in every day which continues to increase and has the potential to generate emissions. The purpose of this research is to analyze the characteristics in the form of waste generation and composition at the Gunung Kupang final processing site and to analyze the estimation of methane gas from the Gunung Kupang final processing site landfill activities using IPCC methods. The methods used in this study are the Intergovernmental Panel on Climate Change (IPCC). Total greenhouse gas emissions produced in the IPCC method from 2014-2020 were 1.49 Gg/year. In 2021-2024, it is estimated that methane produced using the IPCC method is 0.528 Gg/year
The Role of Waste Generation and Composition Data in Advancing Circular Economy Strategies in Indonesia Atthaya Namira Yulianto, Khenza
International Journal of Educational Research & Social Sciences Vol. 7 No. 1 (2026): February 2026 ( Indonesia - Uzbekistan )
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijersc.v7i1.1031

Abstract

Rapid urbanization, population growth, and shifting consumption patterns have significantly increased municipal solid waste (MSW) generation in Indonesia, exposing structural inefficiencies in material use and post-consumption management under a predominantly linear economic model. National data indicate that waste generation has reached approximately 0.833 kg per capita per day, with urban waste volumes increasing substantially between 2020 and 2024 and concentrated primarily in densely populated regions such as Java, Sumatra, and Borneo. Waste composition analysis further reveals that organic waste remains the dominant fraction at nearly 40% of total municipal waste, followed by a rising plastic fraction approaching 20%, underscoring the need for data-driven circular economy strategies. This study employs a systematic review methodology, synthesizing peer-reviewed literature, governmental reports, and institutional documents to examine how waste generation and composition data can inform circular economy planning in Indonesia. The analysis integrates national waste statistics with evaluations of existing initiatives—including waste banks, Extended Producer Responsibility (EPR) schemes, refuse-derived fuel (RDF) production, composting programs, anaerobic digestion, and Black Soldier Fly (BSF) bioconversion—and compares them with international best practices suited to similar waste profiles. The findings indicate that although Indonesia has formally adopted circular economy principles and implemented various recovery-oriented programs, their scale and integration remain insufficient relative to the dominant organic and plastic fractions. Organic waste presents significant potential for biological treatment pathways such as composting and anaerobic digestion, while increasing plastic waste necessitates stronger upstream product redesign and reverse logistics systems. The study concludes that integrating reliable waste generation and composition data into policy formulation and technology deployment is essential for advancing evidence-based, scalable, and context-sensitive circular economy strategies capable of reducing landfill dependency and enhancing resource efficiency in Indonesia.
Co-Authors Abrar Firdausy, Muhammad I.D.A.A Warmadewanthi Puteri Mahyudin, Rizqi Rony Riduan