Formulating landfill gas emissions model for forecasting methane generation from waste under Iranian scenario
by Somayeh Golbaz; Amir Hossein Mahvi; Mohammad Mahdi Emamjomeh; Abbas Norouzian Baghani
International Journal of Environment and Waste Management (IJEWM), Vol. 28, No. 3, 2021

Abstract: This study aimed to determine the methane production's potential from municipal solid wastes based on two setups; firstly, based on waste composition and secondly based on using the landfill gas emissions model (LandGEM). The results showed that based on the first step, the methane generation rate was found in the range from 1,687.7 to 2,062.6 mega cubic metre/year (Mm³/year) in the whole of studied regions. From developing LandGEM model, the maximum methane production rate in a landfill would be calculated equal to 2,803.2 Mm³ in 2025. Also, the results showed that the methane generation rates have been at variance in five regions of Iran (p < 0.05). In the northern regions of the country, the methane generation rate was increased due to the availability of sufficient moisture for microorganisms. Based on the theoretical computational quantities, it can be concluded that the volume of methane produced from municipal solid waste, which contains biodegradable materials (73%), was found very high.

Online publication date: Mon, 25-Oct-2021

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