Chemical treatment is an essential component of many water and wastewater treatment schemes. The general purposes of chemical treatment include:

• Removal of suspended solids (turbidity) from water
• pH adjustment
• Removal of dissolved material

The main treatment components of FII chemical treatment packages include:

• pH adjustment and control
• Coagulation / Flocculation
• Precipitation
• Clarifications

Other chemical treatment processes include:

• Ion exchange
• Water softening
• Chemical stabilization
• Disinfection