1. Solid waste management and its problem in Asmara city of EritreaMd. Minhajul Hoda, Masihulla Khan, 2025, original scientific article Abstract: Urbanization, rising incomes, and lifestyle changes are major drivers of municipal solid waste generation, especially in developing countries. Asmara, Eritrea, faces significant waste management challenges, particularly due to a large, disorganized open dumping site at Betghiorghish. This site lacks a proper recycling strategy and threatens local biodiversity. A study was conducted to evaluate the types and amounts of waste generated in Asmara, using primary data collected from various economic groups through questionnaires. Study found a positive correlation between urbanization and waste generation. Moreover, different economic strata have different amount and nature of waste. There is report of increasing amount of non-biodegradable waste among the higher income people/region. An integrated sustainable planning is needed to manage the municipal waste.
Keywords: solid waste, developing countries, dumping site, waste management, municipal garbage
Published in DKUM: 16.01.2026; Views: 0; Downloads: 0
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2. Zero waste initiatives in Slovenian municipalities : a material flow and life cycle assessment analysesKristijan Brglez, Rebeka Kovačič Lukman, Roman Gumzej, 2025, original scientific article Abstract: The European Union (EU) has implemented several strategies, including the zero-waste initiative, to minimize waste generation and enhance resource efficiency. Slovenia demonstrates this policy with the “Zero Waste Municipalities” project, which has shown notable success, but also highlights opportunities for further improvement. This study assesses the effectiveness of zero-waste initiatives and municipal solid waste management (MSWM) strategies across Slovenian municipalities using Material Flow Analysis (MFA) and Life Cycle Assessment (LCA). MFA results from eight municipalities indicate that biowaste (averaging 42.49 %) and paper (21.78 %) constitute the largest fractions of collected municipal waste. LCA results highlight that, on a per capita basis, environmental impacts in urban areas are generally lower than in rural areas for glass, wood, biowaste, and plastic waste streams, but higher for metal and paper. Scenario modelling for Ljubljana demonstrates that meeting the EU recycling targets for 2025 and 2030 would lead to substantial reductions in environmental impacts—especially in terms of Global Warming Potential (GWP) and Abiotic Depletion Potential (ADP). Specifically, achieving the 2030 targets could reduce CO 2 emissions from paper, plastic, and wood waste by 52 %, 25 %, and 77 %, respectively, compared to current baseline recycling ratios. The integration of MFA and LCA provides a comprehensive and quantitative assessment and insight into current waste management practices in Slovenian municipalities, accelerating a transition towards zero waste and circular municipalities. The findings offer valuable information for decision-makers, researchers and stakeholders aligning local waste management strategies with broader EU objectives.
Keywords: zero waste initiatives, material flow analysis, life cycle assessment, municipal solid waste management, environmental impacts, Slovenia
Published in DKUM: 19.12.2025; Views: 0; Downloads: 0
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3. An analysis of the responsibility for zero wasteIvana Tršelič, Daniel Rolph Schneider, Niko Samec, Filip Kokalj, 2019, original scientific article Abstract: European Union Directive 2008/98/EC sets the priority hierarchy of the prevention of waste, re-using waste, recycling waste, waste recovery, and waste disposal. Although every one of us is in daily contact with waste, we do not have the knowledge that can lead us to the sound management of waste from the beginning, before products are identified as waste. Zero waste is a fundamental concept of the sustainable community of the future. It is a phrase frequently used by politicians seeking to upgrade the municipal solid waste management systems in their communities. In this manner, the responsibility of zero waste is given to the waste management process instead of to householders. Householders then equate waste prevention with recycling and the proper waste management of the collectors, public services, or waste management company. In reality, zero waste starts with each one of us at home. Households should aim to reduce consumption and undertake repairs to extend the life span of products. Behaviour change can only start with knowledge. In reality, waste prevention does not include recycling. Recycling leads to a combined reduction of waste brought to landfill and raw material extraction. The present paper evaluates household waste to clarify the facts. It analyses the composition of three streams: municipal solid waste, separately collected packaging waste, and bulky waste in different regions of Slovenia. The research defines waste into five different categories. The first category is waste that can and should be avoided. The second category is waste that can be re-used. Further on, the research expands by researching the market of the third category that defines recyclables, which waste can be recycled; the last two categories are the waste that we are fighting with at the end of the waste management process, either to make it to the waste-to-energy process or to comply with landfill restrictions. At the end of the research, we summarize the situation of household waste in 2018. Our goal is to reduce the quantity of waste, making only waste that can be recycled. If we consider waste prevention to be a fight against waste, we can put our plan in place by taking the first step: getting to know our enemy.
Keywords: municipal solid waste, zero waste, recycling, lightweight packaging waste, waste management, material recovery
Published in DKUM: 05.12.2023; Views: 397; Downloads: 56
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4. Combustion of municipal solid waste for power productionFilip Kokalj, Niko Samec, 2013, independent scientific component part or a chapter in a monograph Keywords: gospodarjenje z odpadki, zgorevanje, waste management, municipal solid waste, integrated waste management system, waste-to-energy, thermal treatment, waste-to-energy plant, computational fluid dynamics
Published in DKUM: 10.07.2015; Views: 2227; Downloads: 101
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5. Utilization of bottom ash from the incineration of separated wastes as a cement substituteFilip Kokalj, Niko Samec, Bernardka Jurič, 2005, original scientific article Abstract: Waste incineration is still an essential technology in the concept of integrated waste management. Most of the combustion residues are incinerator bottom ash. It has been discovered that incinerator bottom ash from the incineration of separated waste in the primary chamber of the modular two-stage incinerator mainly consists of metal oxides, especially SiO2 and CaO, in proportions that are quite similar to those in cement and so the feasibility of its application as a substitute for cement in concrete was investigated. It was found that after 28 days, the flexural and compressive strengths of the binder using bottom ash were practically comparable with those of a pure cement mixture. The results show that it is reasonable to use a binder containing incinerator bottom ash for applications in which an early-stage lower strength of concrete element is acceptable.
Keywords: waste management, solid municipal waste, separated wastes incineration, bottom ash, cement, concrete
Published in DKUM: 01.06.2012; Views: 2307; Downloads: 138
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