The caustic soda is sodium hydroxide. In general, the caustic soda is a waxy piece that can be seen, and it is particularly easy to absorb water. So what are the uses of caustic soda in life?
1, Detergent:
Used in the production of various detergents, even today's washing powder is made from a large amount of caustic soda. Caustic soda is used in the sulfonation reaction.
2, Paper:
It plays an important role in the paper industry, and because of its alkalinity, it can be used in the process of boiling and bleaching paper.
3. Man-made fibers and textiles:
Man-made fibers, such as rayon, rayon, rayon, etc., are mostly viscose fibers made of cellulose, sodium hydroxide, carbon disulfide as raw materials, and sprayed.
4. Refined oil:
Petroleum products also contain some acidic substances after washing with sulfuric acid, which must be washed with a solution and then washed with water to obtain a refined product.
The use of caustic soda in life can be used to make detergents, paper, rayon and textiles, refined petroleum, and the role played is very powerful.
