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Experimental investigation on activated carbon-ethanol pair for solar powered adsorption cooling applications.

Author(s) : SHARKAWY I. I. el-, SAHA B. B., KOYAMA S., et al.

Type of article: Article, IJR article

Summary

Adsorption equilibrium uptake of ethanol onto a highly porous activated carbon based adsorbent, namely Maxsorb III, has been experimentally investigated using a thermo-gravimetric analyzer unit over adsorption temperatures ranging from 20 to 60°C. The Dubinin-Astakhov equation has been used to correlate the experimental data. Isosteric heat of adsorption is also estimated by using the Clausius-Clapeyron equation. Employing a thermodynamically equilibrium model, the performance of the ideal adsorption cooling cycle has also been studied and compared to that of activated carbon fiber-ethanol pair. Experimental results show that Maxsorb III can adsorb up to 1.2 kg of ethanol per kilogram of adsorbent. Theoretical calculations show that, the Maxsorb III-ethanol adsorption cycle can achieve a specific cooling effect of about 420 kJ/kg at an evaporator temperature of 7°C along with a heat source of temperature 80°C and thus the pair is recommended for solar cooling applications.

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Pages: 1407-1413

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Details

  • Original title: Experimental investigation on activated carbon-ethanol pair for solar powered adsorption cooling applications.
  • Record ID : 2009-0166
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 31 - n. 8
  • Publication date: 2008/12

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