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Gaseous and Particulate Emissions from Conventional Combustion and Oxy-combustion of a Lignite Coal
Date
2011-10-12
Author
Kazanç Özerinç, Feyza
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This manuscript reports on gaseous and particulate emissions from combustion of a lignite coal (Texas lignite PSOC 1443) in air as well as in a simulated oxy-fuel condition, i.e., in surrounding gases consisting of 40% O2 blended with 60% CO2. Particle sizes were in the nominal range of 53-90 ?m and combustion took place in a laminar-flow drop-tube furnace, electrically-heated to a wall temperature of 1400 K. The evolution of combustion effluent gases, such as NOx, SO2, CO as well as particulate emissions (ashes) were monitored and compared. Chemical analysis of submicron ashes was performed. Results showed that the oxy-combustion condition altered the combustion characteristics of the coals. Therein, emissions of NOx decreased, whereas emissions of SO2 increased. Preliminary results showed that at the oxy-combustion condition submicron particulate ash emissions were curtailed. Moreover, chemical analysis to the submicron ash demonstrated that Si, Al, Ca, Mg, and Fe were in lower concentration at the oxy-fuel condition.
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https://hdl.handle.net/11511/82079
https://www.northeastern.edu/rise/presentations/gaseous-and-particulate-emissions-from-conventional-combustion-and-oxy-combustion-of-a-lignite-coal/
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F. Kazanç Özerinç, “Gaseous and Particulate Emissions from Conventional Combustion and Oxy-combustion of a Lignite Coal,” 2011, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/82079.
