Thermoecologic Assessment and Life Cycle–Based Environmental Pollution Cost Analysis of Microgas Turbine
Publication: Journal of Environmental Engineering
Volume 146, Issue 1
Abstract
Increasing global warming concerns are compelling humanity to find alternative fuels to fossil fuels. Ammonia, with its carbon-free structure, can be combusted to produce only water and nitrogen. This study includes exergy analysis–based thermoecologic analysis and life cycle assessment–based environmental pollution cost analysis of a Turbec T100 microturbine. A Turbec T100 microturbine is normally operated with natural gas combustion and is modeled using commercially available software for (1) natural gas; (2) 10% ammonia and 90% natural gas; and (3) 20% ammonia and 80% natural gas mass fractions. The ecologic objective function and ecological coefficient of performance parameters for natural gas combustion are and 0.37336, respectively. The 20% ammonia combustion has the best ecologic objective function and ecological coefficient of performance results, which are and 0.3986, respectively. The 20% ammonia combustion also decreases the environmental and life cycle–based environmental payback period. However, 20% ammonia combustion slightly increases the payback period of the system. The 20% ammonia has the lowest -equivalent emission rate due to producing the lowest -equivalent emissions during combustion. Finally, 20% ammonia combustion decreases total and specific environmental pollution costs.
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Published In
Journal of Environmental Engineering
Volume 146 • Issue 1 • January 2020
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©2019 American Society of Civil Engineers.
History
Received: Nov 27, 2018
Accepted: May 3, 2019
Published online: Oct 25, 2019
Published in print: Jan 1, 2020
Discussion open until: Mar 25, 2020
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