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Annals of Chemical Science Research

Recent Advances in Atmospheric Water Harvesting by Desiccant Materials

  • Open or CloseMahmoud Parvazinia*

    Iran Polymer and Petrochemical Institute, Iran

    *Corresponding author:Mahmoud Parvazinia, Iran Polymer and Petrochemical Institute, Tehran, Iran

Submission: January 02, 2023;Published: January 20, 2023

ISSN : 2688-8394
Volume3 Issue3

DOI: 10.31031/ACSR.2023.03.000563


There is a number of technologies for water harvesting from atmospheric water content to provide drinking water locally. The capacity of these systems are limited and the capacity of commercial units which mainly works based on the cooling condensation is generally up to 5 or 10m3/day. Therefore, these systems cannot supply the water for towns and cities, but they are effective for small settlements with water scarcity. In cooling condensation method, the air is cooled below dew point for condensation of water vapor. They work properly in humid regions but in arid areas they consume high levels of energy and for dew points below zero degree centigrade they are unable to work. Therefore, for arid regions other techniques must be considered. As an alternative to cooling condensation, desiccant materials can be used for air water adsorption particularly in the arid regions. In this paper it is intended to review recent advances in using desiccant materials for atmospheric water harvesting.

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