Water generation from atmospheric air by using desiccant materials-nature-based solution–a review
World Journal of Engineering, 2023•emerald.com
Purpose This paper aims to provide a critical review of water generation from atmospheric
air by using desiccant materials. Over the past few years, there has been very high stress on
water scarcity, especially in Asian and African countries. Because of this insecurity, many
countries are focusing on their research in the field of water technologies. Water generation
from atmospheric air by using desiccant materials is one of the techniques among the air-to-
water generators (AWGs). Design/methodology/approach A structured and systematic …
air by using desiccant materials. Over the past few years, there has been very high stress on
water scarcity, especially in Asian and African countries. Because of this insecurity, many
countries are focusing on their research in the field of water technologies. Water generation
from atmospheric air by using desiccant materials is one of the techniques among the air-to-
water generators (AWGs). Design/methodology/approach A structured and systematic …
Purpose
This paper aims to provide a critical review of water generation from atmospheric air by using desiccant materials. Over the past few years, there has been very high stress on water scarcity, especially in Asian and African countries. Because of this insecurity, many countries are focusing on their research in the field of water technologies. Water generation from atmospheric air by using desiccant materials is one of the techniques among the air-to-water generators (AWGs).
Design/methodology/approach
A structured and systematic literature review has been presented to observe and understand the past trend/patterns in the field of water generation from atmospheric air by using desiccant materials. To understand the water generation technologies based on desiccant materials, the research papers from the years 1987 to 2022 have been studied and included.
Findings
The properties of the different and most probable desiccant materials in the field of AWGs have been discussed. A detailed review of testing reports of collected water samples has also been presented in tabular form. Finally, the economic analysis has been done and future prospects have been discussed. It is also found that the capacity of solid desiccant materials to adsorb the water is less as compared to liquid desiccant materials. But, the adsorption capacity can be improved by using composite desiccant materials.
Originality/value
The uniqueness of this manuscript lies in the compiling and examination of the existed published research papers, including variables such as author, year and geographical location, experimental/simulative, types of desiccant material, type of setup, desiccant material type and quantity and type of concentrator. This manuscript provides critique to the empirical and conceptual research in AWG technologies and also stimulates researchers to explore the topic very carefully.
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