Physico Chemical Treatment
Physical and chemical methods for water purification and treatment processes
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Physico chemical treatment is used for the separation of colloidal particles. To achieve it quickly, chemicals (called coagulants and flocculants) are added.
These transform the physical state of the colloids, allowing them to remain in an indefinitely stable form and therefore form particles or flocs with settling properties.
- Tube Settler
- Tube settlers are commonly used in rectangular clarifiers to increase the settling capacity of rectangular sedimentation basins by reducing the vertical distance.
- Dissolved Air Flotation (DAF)
- Dissolved air flotation is used to clarify wastewater having suspended matter, such as oil.
- Clarifier
- Clarifiers are the settling tanks used to separate solid particulates deposited by sedimentation.
Salient features
- Effective removal of colloidal and suspended particles using coagulants and flocculants
- Enhanced solid-liquid separation through floc formation and improved settling properties
- Tube settlers to increase settling capacity in rectangular clarifiers
- Dissolved Air Flotation (DAF) systems for removal of suspended solids and oil
- Clarifiers for efficient sedimentation and separation of solid particulates
