Evaporation ponds discussion

In addition to the concentrate discharge methods discussed above, other alternative concentrate disposal methods are deep-well injection, evaporation ponds, mechanical... 

Sulfate of potash (K2S04), unlike the earlier-discussed potash salts, does not occur as natural deposits. It can be recovered by fractional crystallization from such natural brines as those of the Great Salt Lake in Utah and Searles Lake in California. Here separation and recovery are achieved by solar evaporation in shallow ponds. These processes can be utilized only where a suitable brine source is available, and where solar evaporation rates are high. 

Attempts to model solar pond operations have been made for existing commercial productions of Na2C03 IOH2O (Manguo and Schwartz, 1985) and KCl (Klein et aL, 1987). The use of weather-station data in the design and operation of solar ponds is discussed by Butts (1993) and correlations for solar evaporation rates using weather variables have been proposed by Lukes and Lukes (1993). 

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