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Biogas Emissions and Renewable Energy Potential of Municipal Solid Waste Landfills: A Case Study in Kashan, Iran | ||
| Pollution | ||
| دوره 12، شماره 2، مرداد 2026، صفحه 685-697 اصل مقاله (1.57 M) | ||
| نوع مقاله: Original Research Paper | ||
| شناسه دیجیتال (DOI): 10.22059/poll.2026.405717.3188 | ||
| نویسندگان | ||
| Fatemeh Mohammadzadehchali1؛ Amirhossein Ostovari Deylamani* 1؛ Ali Shirazi Karameh1؛ Amirhosein Ramezanpour1؛ Ayda Ghobbeh1؛ Pouya Paymard1؛ Fatemeh Shirazi Karameh2 | ||
| 1Faculty of Environment, University of Tehran, P.O.Box 14155-6135, Tehran, Iran | ||
| 2Faculty of Energy Engineering, Sharif University of Technology, P.O.Box 14565114, Tehran, Iran | ||
| چکیده | ||
| Landfill gas from municipal solid waste is a climate liability and a renewable energy opportunity. In this study, methane (CH₄), carbon dioxide (CO₂), and non-methane organic compound (NMOC) emissions from Kashan landfill, located in a semi-arid region of Iran, were estimated and simulated, and its electricity potential was determined. LandGEM, a U.S. EPA first-order model, was applied with data from Kashan landfill, taking into account waste characteristics and decay rate constant (k = 0.0268 yr⁻¹), decay L (L₀ = 191 m³ CH₄ Mg⁻¹ waste). Peak methane emission occurred one year after closing (2036), with a rate of 9.85 Gg.yr⁻¹ (~14.8×10⁶ m³ yr⁻¹). Total landfill gas generated is 3.50×10⁴ Mg.yr⁻¹ at the end of filling (2035). Assuming a gas collection efficiency of 60% and electricity efficiency of 33%, total electricity produced peaks at ~27.1 GWh.yr⁻¹ (~27,091 MWh.yr⁻¹). These results show that LFG collection and use should be a priority for semi-arid region MSW landfills with large percentages of organic waste. | ||
| کلیدواژهها | ||
| Greenhouse gas mitigation؛ Methane recovery؛ Anaerobic decomposition؛ Waste to energy؛ Landfill gas utilization | ||
| مراجع | ||
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