Repository of Research and Investigative Information

Repository of Research and Investigative Information

Ahvaz Jundishapur University of Medical Sciences

Gas Production Potential in the Landfill of Tehran by Landfill Methane Outreach Program

Pazoki, Maryam and Maleki Delarestaghi, Reza and Rezvanian, Mohammad Reza and Ghasemzade, Reza and Dalaei, Peyman (2015) Gas Production Potential in the Landfill of Tehran by Landfill Methane Outreach Program. Jundishapur Journal of Health Sciences, 7 (4). ISSN 2252-021X

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Background: Landfilling is the most common way of municipal solid waste (MSW) disposal in Iran. Many countries have targeted landfill methane recovery among greenhouse gas mitigation strategies, since methane is the second most important greenhouse gas after carbon dioxide. Major questions remain with respect to actual methane production rates in field settings as well as the relative mass of methane that is recovered, emitted, oxidized by methanotrophic bacteria, laterally migrated, or temporarily stored within the landfill volume. Landfill gas (LFG) consists of 50% - 60 vol% methane and 30% - 40 vol% carbon dioxide as well as trace amounts of numerous chemical compounds such as aromatics, chlorinated organic compounds and sulfur compounds. Landfill methane outreach program (LMOP) is a voluntary assistance program which helps reduce methane emissions from landfills by encouraging the recovery and the beneficial use of LFG as an energy resource. Objectives: In this study, the volume of LFG of Tehran by landfill methane outreach program (LMOP) software was calculated. In addition, the relationship between the time of gas collection system operation and the volume of LFG production was evaluated. Materials and Methods: The LMOP software was used. The available information and some presumptions were used to operate the software. The composition of the solid waste collected from the landfill of Tehran had specific details. A large amount of it was organic materials, which was about 67.8%. These materials have a good potential to produce gas. In addition, LMOP Colombia model uses the first-order equations in all the analytical equations. Furthermore, it is assumed that the landfill operation time is 30 years and the process is considered in two conditions; first, the gas was recovered in 2000, and second, the process started in 2015. Results: The modeling results showed that for the gas recovery starting in 2000 and 2015, the power generation would be 2,354 and 830 MW, respectively. In fact, the 15-year difference in gas extraction made a 200% difference. Based on the results, from 2000 to 2100, 558 m3/hour of methane would be extracted, which would be equivalent to 2,354 MW energy. Subsequently, the emission of 93,721,837 tons of CO2 would be prohibited. Conclusions: It was observed that 2.8 times more energy was generated when the collecting system was initially installed. Moreover, if so, the equivalent CO2 was reduced by 60,695,377 ton. In fact, this process has economic and environmental benefits and the money will be saved and the emission will be controlled.

Item Type: Article
Keywords: Biofuels; Methane; Energy
Subjects: R Medicine > R Medicine (General)
Depositing User: آقای بهرام سوسنی غریب وند
Date Deposited: 25 Jan 2016 06:33
Last Modified: 25 Jan 2016 06:33

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