The atmospheric impact of stack emissions from a power plant (tri-generator and boilers) that will be installed in an urban area in the central Po valley (Northern Italy), characterized by calm wind events, are studied and compared to the impact of the existing plant (conventional boilers). Both the plants are supplied by methane gas. The atmospheric dispersion of NOx emitted is simulated, both in the current and future scenario, by the software package ARIA INDUSTRY. The NOx emission rates are set equal to the regulatory emission limits for existing and future boilers, while the tri-generation system emission rates are set equal to the emission limits certified by the system manufacturer. The simulation periods focus over the 2010 winter season. The simulation estimates the impact of NOx emissions on air quality (vertical concentration profiles and concentration maps at the ground) in the urban area close to the plant. The future power plant impact on air quality results lower than the impact of the existing plant, even if the yearly total mass of pollutants emitted in atmosphere from the new power plant is higher than from the existing plant. The emissions of conventional boilers result the main responsible of the air pollution at the ground in the future scenario.

Tri-generation power plant and conventional boilers: pollutant flow rate and atmospheric impact of stack emissions / Ghermandi, Grazia; Teggi, Sergio; Fabbi, Sara; Bigi, Alessandro; Zaccanti, Marco Michele. - In: INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY. - ISSN 1735-1472. - ELETTRONICO. - on line first:(2014), pp. 1-12. [10.1007/s13762-013-0463-1]

Tri-generation power plant and conventional boilers: pollutant flow rate and atmospheric impact of stack emissions

GHERMANDI, Grazia;TEGGI, Sergio;FABBI, Sara;BIGI, Alessandro;ZACCANTI, MARCO MICHELE
2014

Abstract

The atmospheric impact of stack emissions from a power plant (tri-generator and boilers) that will be installed in an urban area in the central Po valley (Northern Italy), characterized by calm wind events, are studied and compared to the impact of the existing plant (conventional boilers). Both the plants are supplied by methane gas. The atmospheric dispersion of NOx emitted is simulated, both in the current and future scenario, by the software package ARIA INDUSTRY. The NOx emission rates are set equal to the regulatory emission limits for existing and future boilers, while the tri-generation system emission rates are set equal to the emission limits certified by the system manufacturer. The simulation periods focus over the 2010 winter season. The simulation estimates the impact of NOx emissions on air quality (vertical concentration profiles and concentration maps at the ground) in the urban area close to the plant. The future power plant impact on air quality results lower than the impact of the existing plant, even if the yearly total mass of pollutants emitted in atmosphere from the new power plant is higher than from the existing plant. The emissions of conventional boilers result the main responsible of the air pollution at the ground in the future scenario.
8-gen-2014
on line first
1
12
Tri-generation power plant and conventional boilers: pollutant flow rate and atmospheric impact of stack emissions / Ghermandi, Grazia; Teggi, Sergio; Fabbi, Sara; Bigi, Alessandro; Zaccanti, Marco Michele. - In: INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY. - ISSN 1735-1472. - ELETTRONICO. - on line first:(2014), pp. 1-12. [10.1007/s13762-013-0463-1]
Ghermandi, Grazia; Teggi, Sergio; Fabbi, Sara; Bigi, Alessandro; Zaccanti, MARCO MICHELE
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/989715
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