Thermodynamic modelling of hybrid adsorption system

The ability of adsorption based desalination system to cogenerate distilled fresh water and cooling effect provides an increasing attention in the field of cooling and desalination technologies. Eco-friendly adsorption cycles are capable of producing the hybrid effects (desalination& cooling) wi...

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Bibliographic Details
Published in:Journal of physics. Conference series 2019-11, Vol.1355 (1), p.12013
Main Authors: Abhishek, P, Baiju, V
Format: Article
Language:English
Subjects:
Adsorbents
Adsorption
Cooling
Cooling effects
Desalination
Distilled water
Equilibrium equations
Fresh water
Hybrid systems
Low temperature
Physics
Regeneration
Silica gel
Silicon dioxide
Thermodynamic models
zeolite
Zeolites
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Summary:The ability of adsorption based desalination system to cogenerate distilled fresh water and cooling effect provides an increasing attention in the field of cooling and desalination technologies. Eco-friendly adsorption cycles are capable of producing the hybrid effects (desalination& cooling) with low temperature heat source having temperature range from 50°C to 90°C. Adsorption characteristics (isotherm) of silica gel-water and zeolite-water have been presented in this study. Dubinin-Astakov (D-A) and Dubinin-Radushkevich (D-R) adsorption equilibrium equations are used for comparing the performance of silica gel and zeolite. Results show that maximum water production rate in the case of silica gel adsorbent is stabilised at lower regeneration temperature, ranges from 80°C to 120°C, where as in zeolite it is in the higher range from 150°C to 250°C. Maximum COP of the system obtained is 0.65 for silica gel-water at a regeneration temperature of 80°C where as 0.35 for zeolite-water at 110°C. Study concluded that the performance of the system using silica gel-water adsorbent is comparatively better than zeolite-water pair.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1355/1/012013