Modelling and simulation of reaction kinetics of carbon dioxide absorption into aqueous ammonia in a wetted wall column
by Ujjal K. Ghosh; Su Ching Yee
International Journal of Environment and Pollution (IJEP), Vol. 51, No. 1/2, 2013

Abstract: Carbon dioxide accounts for about 80% of all greenhouse gases (GHG) and thus becomes the major source responsible for global warming which is considered as the greatest environmental challenge the world is facing. The post-combustion capture is the main way to lower the emission of existing power plants and future power plants where CO₂ is produced during the combustion. Solvent-based CO₂ capture technology a proven technology for CO₂ capture. Carbon dioxide absorption process using an ammonia solution provides many advantages including higher absorption capacity, no degradation and lower regeneration energy requirement. In this paper, a mathematical model for the reaction kinetics of carbon dioxide absorption into aqueous ammonia in a wetted wall column is developed. Simulation of the mathematical model is performed and the simulated results are compared with literature data.

Online publication date: Fri, 28-Feb-2014

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