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Evaporation ponds are artificial ponds with very large surface areas that are designed to efficiently evaporate water by sunlight and expose water to the ambient temperatures. [1] Evaporation ponds are inexpensive to design making it ideal for multiple purposes such as wastewater treatment processes, storage, and extraction of minerals .
Salt evaporation pond in Manaure, La Guajira, Colombia A salt evaporation pond is a shallow artificial salt pan designed to extract salts from sea water or other brines . The salt pans are shallow and expansive, allowing sunlight to penetrate and reach the seawater.
Freeze–thaw desalination (or freezing desalination) uses freezing to remove fresh water from salt water. Salt water is sprayed during freezing conditions into a pad where an ice-pile builds up. When seasonal conditions warm, naturally desalinated melt water is recovered. This technique relies on extended periods of natural sub-freezing ...
The multi-stage flash (MSF) method is a widely used technology for desalination, particularly in large-scale seawater desalination plants. It is based on the principle of utilizing the evaporation and condensation process to separate saltwater from freshwater. [28]
By using the brine valoristation method of wind-driven air flow by cooling the greenhouse with seawater evaporation, salt can be produced as shown in Figure 4. [5] This brine is the by-product of the freshwater production, but can also be the ingredient to make salt, making it into a product that can be merchandised.
This plant was constructed because geothermal energy is readily available in this region, as Milos Island is located in a volcanic region, which makes using geothermal energy a viable way to power the desalination of salt water. [3] The Milos Island plant utilizes a combination of direct and indirect desalination. [3]
Plants damaged by salt become more susceptible to insects and diseases. Diagnosing soil-borne salt damage can be difficult because symptoms are similar to those caused by insects and disease.
A solar still distills water with substances dissolved in it by using the heat of the Sun to evaporate water so that it may be cooled and collected, thereby purifying it. They are used in areas where drinking water is unavailable, so that clean water is obtained from dirty water or from plants by exposing them to sunlight.