Abstract
The present work is devoted to the study of the processes of heat and mass transfer in the adsorbers of the preliminary drying unit of the atmosphere purification system. A mathematical model has been developed that adequately reflects the physical processes at all stages of the adsorption cycle.Algorithms for solving problems and programs for calculating heat and mass transfer processes in an adsorption regenerated installation are obtained, results of parametric calculations of heat and mass transfer processes at each stage of the adsorption cycle and for the entire cycle as a whole are obtained.
Highlights
IntroductionCarbon dioxide is removed from the air by using the adsorption phenomenon
In atmospheric purification systems, carbon dioxide is removed from the air by using the adsorption phenomenon
Due to the large number of parameters that determine the efficiency of the drying process, a complete analysis of the cycle is largely determined by the presence and implementation of reliable mathematical models and calculation algorithms in engineering practice [26-32]
Summary
Carbon dioxide is removed from the air by using the adsorption phenomenon. The duration of each half-cycle is usually 1 hour, and it is determined by the appearance behind the adsorbent layer of the concentration of water vapor in the air at a level of -20 C according to the dew point temperature. Providing such a degree of air drying requires constant energy consumption (up to 240 W), which is used to heat the air to regenerate the adsorbent. Due to the large number of parameters that determine the efficiency of the drying process, a complete analysis of the cycle is largely determined by the presence and implementation of reliable mathematical models and calculation algorithms in engineering practice [26-32]. It is possible both to take into account the peculiarities of the flow of heat and mass transfer processes at each step of the cycle, and their interaction during the transition from the previous step to the
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