Theoretical framework to evaluate minimum desorption temperature for IUPAC classified adsorption isotherms

Mahbubul Muttakin, Sourav Mitra, Thu Kyaw, Kazuhide Ito, Bidyut Baran Saha

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

An adsorption chiller requires thermal energy to regenerate the adsorbent by desorbing the refrigerant vapor. Minimum desorption temperature is the parameter which defines the lowest possible heat source temperature required for driving adsorption chiller. In this study minimum desorption temperature is evaluated for different types of adsorption isotherms classified by International Union of Pure and Applied Chemistry (IUPAC). For each type, adsorption isotherm model is utilized to estimate the minimum desorption temperature and then compared to the mathematical expression reported in literature derived using Dubinin-Astakhov isotherm model. This allows for critical scrutiny of the universal validity of mathematical expression. It is observed that this expression can estimate the minimum desorption temperature with reasonable accuracy for all isotherm models.

Original languageEnglish
Pages (from-to)795-805
Number of pages11
JournalInternational Journal of Heat and Mass Transfer
Volume122
DOIs
Publication statusPublished - Jul 1 2018

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Adsorption isotherms
Desorption
isotherms
desorption
chemistry
adsorption
Isotherms
Temperature
temperature
Adsorption
refrigerants
Refrigerants
estimates
heat sources
Thermal energy
adsorbents
thermal energy
Adsorbents
Vapors
vapors

All Science Journal Classification (ASJC) codes

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

Cite this

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title = "Theoretical framework to evaluate minimum desorption temperature for IUPAC classified adsorption isotherms",
abstract = "An adsorption chiller requires thermal energy to regenerate the adsorbent by desorbing the refrigerant vapor. Minimum desorption temperature is the parameter which defines the lowest possible heat source temperature required for driving adsorption chiller. In this study minimum desorption temperature is evaluated for different types of adsorption isotherms classified by International Union of Pure and Applied Chemistry (IUPAC). For each type, adsorption isotherm model is utilized to estimate the minimum desorption temperature and then compared to the mathematical expression reported in literature derived using Dubinin-Astakhov isotherm model. This allows for critical scrutiny of the universal validity of mathematical expression. It is observed that this expression can estimate the minimum desorption temperature with reasonable accuracy for all isotherm models.",
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T1 - Theoretical framework to evaluate minimum desorption temperature for IUPAC classified adsorption isotherms

AU - Muttakin, Mahbubul

AU - Mitra, Sourav

AU - Kyaw, Thu

AU - Ito, Kazuhide

AU - Saha, Bidyut Baran

PY - 2018/7/1

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AB - An adsorption chiller requires thermal energy to regenerate the adsorbent by desorbing the refrigerant vapor. Minimum desorption temperature is the parameter which defines the lowest possible heat source temperature required for driving adsorption chiller. In this study minimum desorption temperature is evaluated for different types of adsorption isotherms classified by International Union of Pure and Applied Chemistry (IUPAC). For each type, adsorption isotherm model is utilized to estimate the minimum desorption temperature and then compared to the mathematical expression reported in literature derived using Dubinin-Astakhov isotherm model. This allows for critical scrutiny of the universal validity of mathematical expression. It is observed that this expression can estimate the minimum desorption temperature with reasonable accuracy for all isotherm models.

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