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Estimation of methane production and electrical energy generation from municipal solid waste disposal sites in Pakistan
Citation Link: https://doi.org/10.15480/882.3527
Publikationstyp
Journal Article
Publikationsdatum
2021-05-01
Sprache
English
TORE-URI
Enthalten in
Volume
14
Issue
9
Article Number
2444
Citation
Energies 14 (9): 2444 (2021-05-01)
Publisher DOI
Scopus ID
Publisher
Multidisciplinary Digital Publishing Institute
This work aimed to estimate the annual methane production from the municipal solid waste disposal sites in Pakistan. In this study, the Intergovernmental Panel on Climate Change (IPCC) default methodology was used to estimate theoretical methane formation potential of the waste disposal sites in major cities of Pakistan. The estimates of this study are based on the last population census conducted in the year 2017 and latest available data regarding the waste generation and management practices in the cities considered in the study. Results showed that 31.18 million tonnes of municipal solid waste (MSW) is generated annually. The top 10 major populated cities in Pakistan (with 20% share in country’s population) contributing 31% share in the total quantity of MSW generated in overall country. On average 50–60% of the MSW generated is collected and openly dumped at the designated waste disposal sites. After analyzing the data, we estimate that annually 12.8 MtCO2-eq of methane is emitted from the waste disposal sites in major cities considered in this study. The methane produced from the waste disposal sites can be sustainably utilized as a source of energy through transforming MSW disposal sites (open dumps) to sanitary landfills with methane capturing and utilization facilities. In the present scenario of waste management and methane formation potential, sanitary landfills would generate 62.35 MWh of electric power if 25% of the methane was recovered and utilized in power generation.
Schlagworte
methane emissions
municipal solid waste
landfills
electrical energy
methane recovery
power generation
greenhouse gases
DDC Class
620: Ingenieurwissenschaften
Projekt(e)
Funding Organisations
More Funding Information
The PhD study of (I.S.) was funded by scholarship from Higher Education Commission-HEC of Pakistan incorporation with German Academic Exchange Service (DAAD).
Publication version
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