Caustic soda, also known as sodium hydroxide (NaOH), has various applications:
*Industrial:*
1. *Pulp and paper production*: Used in the pulping process to break down lignin.
2. *Textile industry*: Used for scouring, bleaching, and mercerizing textiles.
3. *Soap making*: Used to produce soap and detergents.
*Water Treatment:*
1. *pH adjustment*: Used to adjust pH levels in water treatment processes.
2. *Wastewater treatment*: Used to neutralize acidic wastewater.
*Food Processing:*
1. *Food processing*: Used for peeling fruits and vegetables, and in the production of certain foods.
2. *Cocoa processing*: Used to process cocoa beans.
*Other Uses:*
1. *Biodiesel production*: Used in the production of biodiesel.
2. *Cleaning products*: Used in drain cleaners and oven cleaners.