Comparison of liquid desiccants for air cooling systems using wetted wall column

S. Shanmuga Priya, Priyadarshini Balachandar, Sanober Wadhwania

Research output: Contribution to journalArticle

Abstract

Desiccant dehumidification refers to the use of chemical for absorption of water vapor to dehumidify air, and thus reduce the latent cooling load in a building’s Heating, Ventilation and Air-Conditioning system. There are two types of desiccant systems: liquid and solid. Liquid desiccant systems remove more moisture from air than the dry desiccant systems. Some of the commonly used liquid desiccants include lithium bromide and lithium chloride. The paper presents a comparative analysis of three desiccants, namely, calcium chloride, lithium chloride and potassium formate. Calcium chloride and lithium chloride are commonly used whereas potassium formate is a new desiccant. The wetted wall column is used to study the dehumidifying property of each chosen desiccant. The gas enters in a counter-current fashion allowing gas-liquid contact. The analysis is used to understand the variations in the dehumidifying nature of the desiccants.

Original languageEnglish
Article numberIJMPERDAPR201969
Pages (from-to)677-684
Number of pages8
JournalInternational Journal of Mechanical and Production Engineering Research and Development
Volume9
Issue number2
Publication statusPublished - 01-04-2019

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Hygroscopic Agents
Cooling systems
Lithium
Calcium chloride
Liquids
formic acid
Air
Lithium Chloride
Potassium
Calcium Chloride
Gases
Air conditioning
Contacts (fluid mechanics)
Water vapor
Ventilation
Loads (forces)
Moisture
Cooling
Heating
Steam

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

Cite this

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abstract = "Desiccant dehumidification refers to the use of chemical for absorption of water vapor to dehumidify air, and thus reduce the latent cooling load in a building’s Heating, Ventilation and Air-Conditioning system. There are two types of desiccant systems: liquid and solid. Liquid desiccant systems remove more moisture from air than the dry desiccant systems. Some of the commonly used liquid desiccants include lithium bromide and lithium chloride. The paper presents a comparative analysis of three desiccants, namely, calcium chloride, lithium chloride and potassium formate. Calcium chloride and lithium chloride are commonly used whereas potassium formate is a new desiccant. The wetted wall column is used to study the dehumidifying property of each chosen desiccant. The gas enters in a counter-current fashion allowing gas-liquid contact. The analysis is used to understand the variations in the dehumidifying nature of the desiccants.",
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Comparison of liquid desiccants for air cooling systems using wetted wall column. / Shanmuga Priya, S.; Balachandar, Priyadarshini; Wadhwania, Sanober.

In: International Journal of Mechanical and Production Engineering Research and Development, Vol. 9, No. 2, IJMPERDAPR201969, 01.04.2019, p. 677-684.

Research output: Contribution to journalArticle

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