Estimation of Characteristics, Methane Generated and Sustainability of Municipal Landfill Waste in Urban City, Thailand
2025
Yaowatat Boongla | Supachai Changphuek | Anuwat Saehuang
Many developed and developing countries are concerned about climate change and greenhouse gas (GHG) reduction, with landfills being a major contributor due to the presence of important GHGs such as carbon dioxide (CO2) and methane (CH4) in landfill emissions. The appropriate technology or suitable innovation could result in the extraction of significant amounts of energy from CH4 in landfills. This work used landfill gas emissions (LandGEM) software modeling to analyze the distribution patterns of the gas emissions of two urban landfills in Chonburi and Phuket Provinces, Thailand, from 2013 to 2023. The methane emissions from the Chonburi landfill were 1.063 ×: 104 Mg/year, and they were 1.077 ×: 103 Mg/year for the Phuket landfill, in 2023. According to estimates, the Chonburi landfill emitted 2.916 ×: 104 Mg/year of CO2 in 2023, while Phuket emitted 2.955 ×: 103 Mg/year. The Chonburi landfill generated 8.67 MWh/year and 195.74 MWh/year of electrical energy potential from CH4 in 2014 and 2023. In 2014 and 2023, the electrical energy potential from CH4 was 1.00 MWh/year and 19.83 MWh/year for the Phuket landfill. This study&rsquo:s results show that landfills can produce CH4 and that it is possible to collect this gas and stop GHG emissions from entering the atmosphere. This would be beneficial for local authorities considering the potential of landfill gas.
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