Adsorption characteristics of AQSOA zeolites and water for adsorption chillers

Sibnath Kayal, Sun Baichuan, Bidyut Baran Saha

研究成果: Contribution to journalArticle

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In this article, the authors presented the characterization and property evaluation of AQSOA zeolites by various experimental methods including X-ray diffraction (XRD), Field Emission Scanning Electron Microscopy (FESEM), N2 adsorption/desorption isotherms and thermo gravimetric analysis (TGA). The amount of H2O uptakes on AQSOA-Z01 and AQSOA-Z02 were measured for the temperatures of 298 K, 313 K and 338 K. It was found that the water vapor adsorption isotherm of AQSOA-Z01 was characterized by S-shape with hydrophobic behavior at the beginning of adsorption or low pressures. The enthalpies of adsorption (Qst) for AQSOA zeolites + water were calculated employing Clausius Clapeyron relations via experimentally measured adsorption isotherms data. The Qst derived from various adsorption isotherm models were also added for comparison purposes. It was found that the porous structure of AQSOA-Z01 exhibits a high H2O vapor uptakes and delivered 0.1 kg of water per kg of zeolite for one adsorption-desorption cycle even at the desorption temperature of 65 °C.

元の言語英語
ページ(範囲)1120-1127
ページ数8
ジャーナルInternational Journal of Heat and Mass Transfer
92
DOI
出版物ステータス出版済み - 1 1 2016

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

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