
Caustic Soda
Caustic Soda (Sodium Hydroxide, NaOH) is a strong alkali widely used in water treatment, soap and detergent production, paper manufacturing, and chemical industries. It is a white solid (often in flakes, pellets, or solution) that dissolves easily in water, releasing heat, and is highly corrosive to skin and metals.
Chemical Specification:
Chemical Formula : NaOH
CAS Number : 1310-73-2
Appearance : white and crystalline, often appearing as flakes or pellets
NaOH : 98.51 %w/w
Na2CO3 : 0.28 %w/w
NaCl : 60.00 ppm
Fe : 7.50 ppm
Cu : <2.00 ppm
Application:
- It is used to neutralize or adjust the pH in different wastewater plants.
- Steps like coagulation, flocculation, and disinfection work in a specific pH range, and caustic helps to attain that range.
- It helps to remove heavy metals by removing dissolved heavy metals.
- Sometimes it works as a coagulation and flocculation Aid.
- It helps to regenerate ion exchange resins.