Estimation and Modeling of Biogas Production in Rural Small Landfills (Case Study: Chaharmahaal and Bakhtiari and Yazd Rural Areas)

Document Type : Research Article


1 Bam University of Medical Sciences, Bam, Iran

2 Faculty of Environment, University of Tehran, Tehran, Iran

3 Department of Civil Engineering, Sirjan University of Technology, Kerman, Iran


One of the main factors contributing to greenhouse gas emissions in the environment is the production of pollutant gases in landfills. Collecting the landfill gases (LFG) effectively reduces the emission of gasses from the landfill site. A precise collection system for LFG can create the potential for energy generation in addition to emissions reduction. However, in Iran, the implementation of such systems remains undeveloped. During the design and construction of a gas collection system, it is necessary to correctly estimate the amount of emissions and type of gases produced at the landfill site. Using LandGEM model, in the span of 20-year (2016-2036), the amount of gases produced in the landfills of the rural areas of Chaharmahaal and Bakhtiari and Yazd provinces have been predicted. According to the results, the largest amount of landfill gas emission will be in 2037, one year after the last year of disposal of the waste to the landfill. The total amount of produced gas, methane, carbon dioxide and NMOCs will be 5435, 1452, 3983 and 62.4 tons per year in 2037 for Chaharmahaa and Bakhtiari and 1574, 4205, 1154 and 18.07 tons per year in 2037 for Yazd.


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