Tianjin Lumiture International Trading Co.,Ltd.

1. In the paper Industry, caustic soda is normally in the form of lye to separate the lignin that ties the fibers in the chemical pulping process. It is also used for paper recycling operations.
2. In the petroleum industry, caustic soda is used as an additive in drilling mud. Poor quality crude oil can be treated with sodium hydroxide to remove sulfurous impurities in a process known as caustic washing.
3. In the refining of edible oil, caustic soda is utilized as a neutralizer to remove free fatty acids that can give the oil an annoying taste.
4. In the water treatment process, caustic soda is very helpful in the pH neutralizing and adjustment of water streams. It is also used to raise the pH of water supplies.
5. It is used for making soaps and detergents, for sterilization and cleaning of bottles in the beverage industry.
6. In the mining and refining, it is used in purifying bauxite ore from which aluminium metal is extracted.