Analysis of the applicability of adsorption oxygen generators in the field of industry and power engineering.
Abstract
Adsorption technologies of air separation allow to generate oxygen in quantities of several hundred tons per day. The basis of adsorption technology is the variable absorptive capacity of the adsorbent depending on temperature and pressure. The driving force is given by the difference between the actual and the equilibrium concentration of substance adsorbed on surface of the adsorbent. There are two main technologies of adsorption air separation: Pressure Swing Adsorption (PSA) and Temperature Swing Adsorption (TSA). In order to carry out air separation by PSA methods, it is required to provide electricity to the compressor or vacuum pump. In case of the TSA method, it is necessary to provide heat to the adsorption bed during regeneration stage. There are also combinations of these processes. In the case of mixed methods, the adsorption process takes place under elevated pressure, whereas the regeneration - under vacuum or at elevated temperature. The article presents an economic analysis of oxygen production from air by pressure and temperature adsorption methods. We analyzed the possibility of using waste and cogenerated heat from a power station. We specified the effect of the adsorption technology on purity and pressure of generated oxygen. We analyzed the possibility of using adsorption air separation methods in various fields of industry and energy sector.References
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Lee S., Jung J., Moon J.,Jee J., Lee C., Parametric Study of the Three-Bed Pressure-Vacuum Swing Adsorption Process for High Purity O2 Generation from Ambient Air, Industrial & Engineering Chemistry Research, 2007, Vol. 46, pp. 3720-3728
Jee, J., Lee C., PVSA Processes for High Purity O2 Generation and Purification from Ambient Air. AIChE Journal. 2005, Vol. 51, pp. 2988–2999.
Hidano T., Nakamura M., Nakamura A., Kawai M., The downsizing of a TSA system for an air purification unit using a high flow rate method, Adsorption, 2011, Vol. 17, pp. 759–763
Sharma P., Wankat P., Hybrid Cycles to Purify Concentrated Feeds Containing a Strongly Adsorbed Impurity with a Nonlinear Isotherm: The PSA-TSA Supercycle, Industrial & Engineering Chemistry Research, 2009, Vol. 48, pp. 6405–6416
Bonjour J., Chalfen J., Meunier F., Temperature Swing Adsorption Process with Indirect Cooling and Heating, Industrial & Engineering Chemistry Research, 2002, Vol. 41, pp. 5802-5811
Published
2015-06-08
How to Cite
BANASZKIEWICZ, Tomasz; CHOROWSKI, Maciej.
Analysis of the applicability of adsorption oxygen generators in the field of industry and power engineering..
Journal of Power Technologies, [S.l.], v. 95, n. 5, p. 1--5, june 2015.
ISSN 2083-4195.
Available at: <https://papers.itc.pw.edu.pl/index.php/JPT/article/view/658>. Date accessed: 21 nov. 2024.
Section
Polish Energy Mix 2014
Keywords
oxygen; adsorption; energy engineering
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