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http://dx.doi.org/10.17137/korrae.2019.27.3.75

Interpretation of Ammonia Absorption Behavior in Water Turbulent Flow  

Lee, Sang-Ryong (Department of Biological and Environmental Science, College of Life Science and Biotechnology, Dongguk University)
Park, Jin-Won (Department of Chemical and Biomolecular Engineering, College of Energy and Biotechnology, Seoul National University of Science and Technology)
Publication Information
Journal of the Korea Organic Resources Recycling Association / v.27, no.3, 2019 , pp. 75-80 More about this Journal
Abstract
The article is devoted to the interpretation of ammonia, one of the fine dust precursors, absorption behavior in water turbulent flow. The water flow was considered as a turbulent flow with Reynolds number more than $10^4$, because ammonia gas penetration depth was deeper at turbulent flow compared to laminar flow. For the interpretation, the dimensionless mass transfer governing-equation and the constant physical-properties at room temperature were used. The diffusivity of ammonia in water and the kinematic viscosity of water were $2{\times}10^{-9}m^2/s$ and $1{\times}10^{-6}m^2/s$, respectively. The concentration distribution of ammonia in water was estimated with respect to the position from the point where the water started to be exposed to ammonia. The quantitative distribution as a function of the mixing length was also acquired. The quantitative interpretation may provide the insight how much the turbulent flow was more efficient to remove ammonia rather than the laminar flow.
Keywords
Ammonia absorption; Water turbulent flow; Dimensionless mixing depth; Concentration distribution; Average concentration;
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