Mapping non-conventional atmospheric drinking-water harvesting opportunities in Central Eurasia: The case of Kazakhstan

Srymbetov T. Jetybayeva A. Dikhanbayeva D. Rojas-Solórzano L.
February 2023 John Wiley and Sons Inc

Natural Resources Forum
2023 #47 Issue 1 87 - 113 pp.

Drinking water scarcity is becoming an urgent problem worldwide, and it affects developing and developed countries alike. Kazakhstan is not an exception and has its primary sources of drinking water (groundwater, rivers, and lakes) continuously depleted and polluted; moreover, the country will be close to its exploitation limits within the following decades. However, modern technologies allow us to harvest drinking water from unintegrated sources, like the atmosphere. Therefore, it is crucial to research which non-conventional technologies can be used to obtain drinking water from unintegrated sources for the country, considering the cost, viability of use through the year, and local climate conditions. Thus, the present assessment was performed for the 14 demographic regions in Kazakhstan and two city-states, and a map depicting the most feasible technology for each region is presented, including their levelized cost per liter. Seven mature technologies were found to be feasible in Kazakhstani year-round climates. However, Air AW₃ technology and Artificial Glaciers (AG) were the most cost-effective for family-size and village-size solutions, respectively. The water provided via utility pipelines proved to be the most cost-effective manner, when available, to supply drinking water at a family-size scale, but found a less expensive competitor in the AG technology for village-size solutions. Moreover, the lack of utility water pipelines in some Kazakhstani regions, principally countryside rural areas, makes it vital to deploy and implement these alternative water-harvesting technologies to guarantee the future water security of these regions.

atmospheric water harvesting , drinking water , economic performance , Kazakhstan , unintegrated sources

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Department of Mechanical and Aerospace Engineering, Nazarbayev University, School of Engineering and Digital Sciences, Astana, Kazakhstan
Department of Chemical and Materials Engineering, Nazarbayev University, School of Engineering and Digital Sciences, Astana, Kazakhstan
School of Engineering and Digital Sciences, Nazarbayev University, Astana, Kazakhstan

Department of Mechanical and Aerospace Engineering
Department of Chemical and Materials Engineering
School of Engineering and Digital Sciences

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