4.5 Article

Adsorption characteristics and heat of adsorption measurements of R-134a on activated carbon

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ELSEVIER SCI LTD
DOI: 10.1016/j.ijrefrig.2009.03.010

Keywords

Adsorption system; R-134a; Activated carbon; Experiment; Heat; Adsorption

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This paper presents adsorption isotherms of R-134a (HFC-134a) on highly porous pitch based activated carbon (Maxsorb III) in the temperature range of 5-70 degrees C and pressures up to 12 bar, using desorption method. The experimental data have been fitted with the Dubinin-Astakhov (D-A) isotherm equation. The adsorption isotherms of R-134a on Maxsorb III obtained from the present study are compared with the adsorption isotherm results of R-134a on similar type of adsorbents obtained by other researchers and they are found to be fairly consistent. The isosteric heat of adsorption of the assorted adsorbent-refrigerant pair has also been extracted from the present experimental data. (C) 2009 Elsevier Ltd and IIR. All rights reserved.

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