Abstract

MUSTAFA-MORAES, Nadime; HOLANDA-BEZERRA, Ubiratan; MOYA-RODRIGUEZ, Jorge Laureano  and  CABRAL-LEITE, Jandecy. The emission index as a parameter for assessing the environmental pollution from thermal power plants. Case study. Dyna rev.fac.nac.minas [online]. 2016, vol.83, n.199, pp.218-224. ISSN 0012-7353.  https://doi.org/10.15446/dyna.v83n199.51384.

In power plants, in addition to electricity, a lot of air pollution by exhaust gases are generated. There are many national and international standards that establish the permissible limits of different substances, but still has not been developed a mathematical expression to evaluate the environmental impact caused by all components of the exhaust gases as a whole. A method to evaluate this impact is developed in this paper. The developed mathematical expression was called "emission rate". Emission rates for gas engines and fuel oil engines are offered. To get a better idea of the environmental impact of each type of engine was also developed the "specific emission index", which is the emission rate divided by the power delivered by the engine. Comparisons between specific emission rates of different engines are offered by means of a case study in a power plant in the city of Manaus.

Keywords : Pollution; electricity generation; environment.

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