Mohammed–Hasham Azam

Middle East College

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Mohammed F.M. Abushammala

Middle East College

Wajeeha A. Qazi

Middle East College

Ghithaa A. Al-Mufragi

Middle East College

Noor-Alhuda Alrawahi

Middle East College

Umais A. Mehmood

Middle East College

Cooperative Institutions

Middle East College

National University of Malaysia

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Generation of electricity from biogas in Oman

Mohammed F.M. Abushammala Wajeeha A. Qazi Mohammed–Hasham Azam Umais A. Mehmood Ghithaa A. Al-Mufragi

Municipal solid waste (MSW) disposed in landfill sites decompose under anaerobic conditions and produce gases which contain 30-40% of carbon dioxide (CO ₂ ) and 50-60% of methane (CH ₄ ). Methane has the potential of causing global warming 25 times more than CO ₂ . Therefore, migration of CH ₄ gas from landfills to the surrounding environment can potentially affect human life and environment. Thus, this research aims to determine the amount of electricity generated from bio-waste in Oman, and determine the economic benefits. It is found that capturing of CH ₄ emissions between the years 2016 and 2030 and utilizing it in electricity generation could attract revenue of up to US$ 291 million. It is concluded that CH ₄ emissions from solid waste in Oman is enormously increased with time, and capturing of this gas for energy production could provide a sustainable waste management solution in Oman.

Biogas

10.1109/icbdsc.2016.7460374

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Citations (6)

Multi-criteria decision analysis of waste-to-energy technologies for municipal solid waste management in Sultanate of Oman

Waste Management & Research The Journal for a Sustainable Circular Economy (2018)

Wajeeha A. Qazi Mohammed F.M. Abushammala Mohammed–Hasham Azam

The Sultanate of Oman faces challenges, like rapid growth of waste generation, which calls for an optimum waste management strategy. Oman has witnessed the production of 1.5m t of municipal solid waste in 2012, which is expected to elevate to 1.89m t in 2030. This rapid increase needs to be tackled to reduce the generation rates along with the environmental impacts. Currently, there are no treatment facilities in Oman other than limited recycling, and therefore dumping waste into the landfill is the only ultimate way to dispose solid waste. Hence, this study is an initiative to improve the waste managing system in Oman by proposing optimum waste-to-energy technology using an analytical hierarchy process, manually and through expect choice software as well. In the present study, the identified important parameters were considered in an analytical hierarchy process model to rank the waste-to-energy technology alternatives. Based on the survey conducted, the most important criteria were environmental and economic, with the local priority vector of 0.400 and 0.277, respectively. This research concludes that the most suitable waste-to-energy technology for Oman, on the basis of the identified criteria, is anaerobic digestion followed by fermentation and incineration, which will help to reduce the amount of waste, greenhouse gas emissions and developing and maintaining costs of landfills.

Dispose pattern

Waste-to-Energy

Cleaner production

10.1177/0734242x18777800

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Citations (76)

Economic and environmental benefits of landfill gas utilisation in Oman

Waste Management & Research The Journal for a Sustainable Circular Economy (2016)

Mohammed F.M. Abushammala Wajeeha A. Qazi Mohammed–Hasham Azam Umais A. Mehmood Ghithaa A. Al-Mufragi

Municipal solid waste disposed in landfill sites decomposes under anaerobic conditions and produces so-called landfill-gas, which contains 30%–40% of carbon dioxide (CO 2 ) and 50%–60% of methane (CH 4 ). Methane has the potential of causing global warming 25 times more than CO 2 . Therefore, migration of landfill-gas from landfills to the surrounding environment can potentially affect human life and environment. Thus, this research aims to determine municipal solid waste generation in Oman over the years 1971–2030, to quantify annual CH 4 emissions inventory that resulted from this waste over the same period of time, and to determine the economic and environmental benefits of capturing the CH 4 gas for energy production. It is found that cumulative municipal solid waste landfilled in Oman reaches 3089 Giga gram (Gg) in the year 2030, of which approximately 85 Gg of CH 4 emissions are produced in the year 2030. The study also found that capturing CH 4 emissions between the years 2016 and 2030 could attract revenues of up to US$333 million and US$291 million from the carbon reduction and electricity generation, simultaneously. It is concluded that CH 4 emissions from solid waste in Oman increases enormously with time, and capture of this gas for energy production could provide a sustainable waste management solution in Oman.

Landfill Gas

Biogas

10.1177/0734242x16628983

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Citations (11)

Assessing the Effectiveness of Solar and Wind Energy in Sultanate of Oman

Journal of Student Research (2017)

Mohammed–Hasham Azam Mohammed F.M. Abushammala

The Sultanate of Oman is a fast growing region and has fifth largest economy in the GCC regions. The oil and gas sectors are the main promoters of Oman’s economy. The reservoirs of natural resources are insufficient to satisfy for a continuation of the current trends. The electricity sector of Oman mostly depends on natural gas: 97.5% and Diesel: 2.5%. Renewable energy has no major role in the country’s energy supply despite of having valuable wind and solar resources. This review paper tends to bring forward the current and future renewable plans and situations of solar and wind energy in Sultanate of Oman. Therefore this objective is achieved by carrying out literature review of the importance of the wind and solar sources according to the conditions of Oman and by visiting the existing renewable energy plants.

10.47611/jsr.vi.539

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Citations (3)

Quantification of Methane Emissions from Solid Waste in Oman Using IPCC Default Methodology

World Academy of Science, Engineering and Technology, International Journal of Environmental and Ecological Engineering (2016)

Wajeeha A. Qazi Mohammed–Hasham Azam Umais A. Mehmood Ghithaa A. Al-Mufragi Noor-Alhuda Alrawahi

Methane Emissions

10.5281/zenodo.1111584

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Citations (3)