Salt production is almost the simplest and simplest of all mineral extraction methods. The most common method of obtaining salt is the evaporation of salt water in ponds called salt. The evaporation method is usually applied in arid and hot regions, and there may be undesirable impurities for commercial purposes in the salts obtained by this route. There are also some salt-loving microorganisms in newly obtained salts. These microorganisms, for example, in canning can lead to the degradation of some foodstuffs.
Salt can also be obtained from rock salt. Rock salt is one of the important salt sources and can be transparent or translucent grayish, white, orange, yellow, pink and brown depending on the impurities involved. Rock salt is extracted in pieces by opening galleries underground in beds containing little impurities and foreign matter. In this method, which is called solution mining, in case of high impurities, hot water is sent to open drilling wells and water soluble salts are taken out in slurry. Pans or vacuum methods are used to crystallize this slurry.
Tava Method
A small amount of lime is added to precipitate the magnesium sulphate in salt water, which is rested in a wooden container. Then it is sent to the evaporation vessel called the pans. This cabinet area is 80-100 m² and heated with hot gases of the house. Here, the magnesium sulphate is first precipitated and removed, then the salt is taken off. The wooden sink on the top of the salt pan is exposed. As the water flows into the pan again, the salt dries. In a pan of 100 m 2, 1200 kg coarse salt at 75 ° C, 3000 kg of medium product at 80 ° C and 700 kg of fine salt at 95 ° C are obtained.
Vacuum method
In this method, which takes place the pan method, salt water is evaporated by means of vacuum pumps.
