Solid caustic soda is a type of sodium hydroxide produced by evaporating water from liquid alkali using high-temperature steam or a molten salt method, followed by cooling and solidifying the concentrated, high-temperature molten alkali in a flaking machine. It is also known as solid alkali, caustic soda, or caustic potash. It finds applications in various industries, including light textiles, pesticides, dyes, rubber, and the chemical industry, as well as in oil drilling, petroleum refining, and the extraction of tar in the petroleum industry. Additionally, it is used in the defense industry, mechanical industry, wood processing, metallurgy, pharmaceuticals, and urban construction. It is also employed in the manufacturing of chemicals, paper, soap, and detergents, as well as in the production of rayon and glass paper. Furthermore, it is used in the processing of aluminum ore to produce alumina and in the mercerization of textiles and water treatment.

Sodium hydroxide (caustic soda)

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