Fiber

To cleanse fibers by removing impurities of their
surface to prepare fibers for processing, such as
dyeing

Chemical Fiber

To produce caprolactam, a major raw material of nylon

Metal & Ceramics

To treat the surface of metallic rods. To refine
minerals. Used as raw material for manufacturing
glasses

Soap & Detergent

To neutralize fatty acid with sodium hydroxide in order
to produce soap. Used as raw material for
manufacturing

Paper & Cellophane

To remove ink from used paper

Food

To produce chemical seasoning (sodium glutamate)
and soy sauce. To remove acidificated compounds

Inorganic Chemistry

To produce Caustic Soda derivatives such as
Sodium Cyanide and sodium silicate, etc

Electric & Electronics

To remove impurities

Water treatment

To control pH

Others

Used in various fields