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1- , m.shojaei@wri.ac.ir
Abstract   (216 Views)
Background and Objectives: Given the vital role of water in sustainable economic, social, and environmental development and the intensifying water scarcity crisis in the country, efficient water resource management has become increasingly important. One of the major challenges in this field is the significant evaporation loss from reservoirs and dams, particularly in hot and arid regions with high solar radiation and strong winds. The aim of this study is to investigate and evaluate the effectiveness of evaporation-reducing agents as an innovative approach to minimizing water losses from surface water resources.
Research Methodology: This research was conducted at both laboratory scale and in a research pilot system. Three types of evaporation-reducing materials clay-based, silica-based, and alcohol-based compounds were examined and compared. Their performance in reducing evaporation rates and their effects on water quality were evaluated under controlled and semi-industrial conditions.
Findings: The results demonstrated that the silica-based evaporation-reducing agent, by forming a thin and stable layer on the water surface, can effectively reduce evaporation rates. Compared with the other materials, this compound showed superior performance and did not cause any significant adverse effects on the physical and chemical quality of the water.
Conclusion: Based on the findings of this study, the silica-based evaporation-reducing agent can be considered an effective, sustainable, and cost-efficient solution for reducing water losses from reservoirs and surface water bodies at an industrial scale, thereby contributing significantly to improved water resource management.
 
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