Industrial salt is mainly used in alkali making, soap making and the production of chlorine and sodium hydroxide. It is also widely used in metallurgy, tanning, pharmaceutical industry, agriculture, animal husbandry and fishery. In addition, industrial salt is widely used in food, feed, leather, ceramics, glass, soap, dyes, oil, mining, metallurgy, medicine and other industrial sectors, as well as water treatment, ice making and refrigeration, highway snow removal and so on.
The main component of industrial salt is sodium nitrite. Nitrite is toxic, but its chemical properties are relatively stable. Industrial salt is a chromogenic agent and preservative widely used in food processing industry. It can be used for coloring, seasoning and sterilization.
In the chemical industry, raw salt and processed salt are widely used as raw materials to produce chemical products such as chlorine, bleaching powder, caustic soda and soda. The main components of salt are chlorine and sodium. Edible "salt" and industrial "salt" are the same chemical composition, but for different purposes. Industrial salt is non edible salt that people can't eat directly, but can be used in industry, which is collectively referred to as industrial salt.
