Extraction of salt

isic code 0893 covers the extraction of salt, a vital mineral that has been an essential commodity throughout human history. The salt industry plays a crucial role in the global economy, providing a key ingredient for food processing, chemical manufacturing, and various other industrial applications. As a natural resource, salt is extracted from both terrestrial and marine sources, making it a widely available and economically significant industry.

The primary methods used in the extraction of salt include solar evaporation, rock salt mining, and solution mining. Solar evaporation involves the natural evaporation of seawater or brine in large, shallow ponds, leaving behind the salt crystals. Rock salt mining involves the extraction of solid salt deposits from underground salt mines, while solution mining utilizes hot water to dissolve and extract salt from underground deposits.

The main inputs required for the salt extraction industry include the natural salt deposits, either in the form of seawater, brine, or rock salt. Additionally, the industry relies on various types of machinery and equipment, such as pumps, evaporation ponds, and mining equipment, as well as energy sources to power the extraction and processing operations.

The primary output of the salt extraction industry is refined salt, which is then used as a food additive, a preservative, and a key ingredient in various chemical processes. The salt produced by this industry is often consumed by other industries, such as 1075 Manufacture of prepared meals and dishes, 2011 Manufacture of basic chemicals, and 2012 Manufacture of fertilizers and nitrogen compounds.