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- Type of Document: M.Sc. Thesis
- Language: Farsi
- Document No: 51179 (09)
- University: Sharif University of Technology
- Department: Civil Engineering
- Advisor(s): Arhami, Mohammad; Abrishamchi, Ahmad; Azarmi, Farhad
- Abstract:
- Scientific studies, conducted over the world, show that an immense portion of pollutants and greenhouse gases emission to the atmosphere are the direct result of the incineration of fossil fuels in industrial units. These industrial units include chemical industries, power plants, metal industry, etc. Therefore, there is a tremendous necessity to reduce the pollutants emission from these industries immediately and effectively. Meanwhile, in order to mitigate the emission to the atmosphere, there should be a meticulous estimation of pollutants emission from various sources. Hence, in a project called "standardization of emission of pollutants from diverse industrial units in Iran", the concentration of pollutants released from chimneys were measured during two years and amount of emissions were calculated accordingly. The results show that emission factor of CO and unburned hydrocarbons are higher than of presented by EPA. That being said, the emission factor of Nitrogen oxide is considerably lower than of EPA, due to the fact that the incineration temperature doesn't reach its maximum capacity, which is the main cause of the Nitrogen oxides formation. Moreover, the emission factors of SO2 and CO2 are highly dependent on the percentage of Sulphur and Carbon which are available in the consuming fuels. In this project, by the application of emission factors, emission estimation was conducted for various pilots in Iran. Then, emission mitigation strategies were gathered and analyzed, and among them, the most economical and feasible methods were chosen as selective solutions. In this regard, Air to fuel ratio adjustment and efficient energy consumption were chosen for controlling the emission of CO and Unburned hydrocarbon. Gas sweetening and Carbon capture and storage were also applied to SO2 and CO2 respectively. Having used these aforementioned methods, the emission mitigation potential and roadmaps for various pollutants emission mitigation were calculated. The results indicate that there is an undeniable opportunity to reduce the emission of SO2, CO2, CO and UHC's by more than 82, 72, 75 and 77 percent respectively
- Keywords:
- Emission Factor ; Greenhouse Gases ; Mitigation ; Potentialeometry ; Combustion Sources
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