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IRBA STUDY AT BAGENDUNG LANDFILL, CILEGON CITY: RISK AND ENVIRONMENTAL IMPACT ASSESSMENT OF WASTE MANAGEMENT Widyarsana, I Made Wahyu; Muflihah, Lilih; Al Azhar, Muhammad Reza; Putri, Regia Afiyanti; Ragorudin, Abdul Karim; Prayogo, Wisnu; Suhodo, Muhammad Adil Setiyanto
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 1, APRIL 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i1.22012

Abstract

Bagendung Landfill is located in Bagendung Village, Cilegon City has been operational since 1998. with a land area of 10 hectares, this TPA has a waste management capacity of up to 668 tons/day. Aims: To calculate the environmental risk index of the Bagendung Landfill and evaluate its management using the Environmental Risk Index Assessment method, known as the Integrated Risk-Based Approach (IRBA), and to provide actionable recommendations for enhancing waste management practices at the landfill. Methodology and results: The research utilized secondary data analyzed through the IRBA method, adhering to the framework outlined in the Minister of Public Works and Public Housing Regulation No.3/2013 concerning the Provision of Facilities and Infrastructure to Handle Domestic Waste and Domestic Waste Equivalents. The analysis revealed a risk index score of 515.25 for Bagendung Landfill, placing it within the medium-risk category. Conclusion, Significance, and Implications:               The landfill’s operations can continue with gradual rehabilitation transitioning into a controlled landfilling system. It is necessary to adopting modern waste management technologies, including Refuse-Derived Fuel production, landfill mining, and enhanced methane gas monitoring systems, to mitigate environmental risks. The integration of pH as an additional parameter in risk assessment and leachate evaluation is recommended to enhance the precision of environmental monitoring and better predict contaminant behavior. Implementing these measures is expected to minimize environmental impacts, extend the operational lifespan of the landfill, and contribute to the reduction of greenhouse gas emissions. Collectively, these efforts align with the objectives of sustainable waste management for Cilegon City.
DECISION-MAKING STRATEGY OF COMBUSTIBLE WASTE TECHNOLOGY USING TOPSIS METHOD - CASE STUDY OF NORTH BEKASI DISTRICT Widyarsana, I Made Wahyu; Dewi, Ninne Sevtiana; Novianti, Puteri Denita; Putri, Regia Afiyanti; Akbar, Salman Azaria; Prayogo, Wisnu; Suhodo, Muhammad Adil Setiyanto
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 1, APRIL 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i1.22634

Abstract

Waste management in Indonesia still faces various challenges, particularly in urban areas such as North Bekasi District, which generates significant daily waste. Innovative technological approaches are required to reduce and manage waste problems, especially combustible waste. Aim: This study aims to determine the most suitable waste treatment technology for combustible waste in North Bekasi District using the TOPSIS (Technique for Order of Preference by Similarity to Ideal Solution) method. Methodology and results: The study evaluates three waste treatment technologies: Refuse-Derived Fuel (RDF) production, incineration, and pyrolysis, based on technical, environmental, economic, and social criteria. Data were collected through primary and secondary methods, focusing on waste characteristics, management conditions, and energy potential. The TOPSIS method analysis identified RDF as the most suitable solution with the highest preference score 0.669, followed by incineration and pyrolysis. RDF technology demonstrates significant advantages, including high calorific value (3623.58 kcal/kg), efficient resource recovery, and lower operational and investment costs. Conclusion, significance and impact study: This study concludes that RDF technology can effectively address waste management challenges in North Bekasi, while also promoting environmental sustainability and economic feasibility. Selecting RDF as the primary technology represents a strategic step toward transforming waste management in Indonesia into a more modern, efficient, sustainable, and technology-based approach.