NDLI: A Mathematical Modeling Study for the Flue Gas Removal of SO$_{2}$ and NO$

Content Provider	Springer Nature Link
Author	Gogulancea, Valentina Lavric, Vasile
Copyright Year	2014
Abstract	The treatment of flue gases with high energy electron beams for the abatement of sulfur and nitrogen oxides has been developed as an alternative to the more traditional methods of treating atmospheric pollutants (i.e. wet gas desulfurization, selective catalytic reduction). This paper proposes a new mathematical model for the complex phenomena occurring in both gas and liquid phases during the irradiation treatment, using a relatively large reaction system for the gas phase (40 chemical species and 90 chemical reactions). The continuous formation of the liquid dispersed phase is taken into account, considering it in thermodynamic equilibrium with the gas phase and neglecting the mass transfer resistances on both sides. By introducing a new approach in modeling the gas–liquid absorption phenomena (solubility based instead of Henry’s law) the mathematical model is able to predict in a more accurate manner the distribution of species between the two phases. The developed mathematical model is based on the assumption that the radiochemical yield varies inversely proportional to the magnitude of the irradiation dose employed, till a threshold value. The paper also investigates and discusses the model’s sensitivity to the operating parameters (irradiation dose, flue gas humidity, initial pollutant concentration, temperature and ammonia content). The modeling results are in good agreement with the experimental findings performed in the range of 58–62 °C, with a slight deprecation out of this range, exhibiting a mean relative deviation of 9.7 % in the case of the removal efficiency for NO and 5 % for SO$_{2}$.
Starting Page	259
Ending Page	277
Page Count	19
File Format	PDF
ISSN	02724324
Journal	Plasma Chemistry and Plasma Processing
Volume Number	35
Issue Number	1
e-ISSN	15728986
Language	English
Publisher	Springer US
Publisher Date	2014-08-14
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Electron beam Flue gas treatment Mathematical modeling Radiochemical yield Gas–liquid absorption Inorganic Chemistry Mechanics Characterization and Evaluation of Materials Mechanical Engineering
Content Type	Text
Resource Type	Article
Subject	Chemistry Surfaces, Coatings and Films Condensed Matter Physics Chemical Engineering

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