Product/Service
CONTRAFAST® High-Rate Sludge Thickener Clarifier
•Brochure: CONTRAFAST® High-Rate Sludge Thickener Clarifier
The CONTRAFAST® high-rate clarifier combines clarification and sludge thickening and eiiminates the need for an additional sludge thickener.
The innovative CONTRAFAST clarifier is a high-rate sludge thickening clarifier/softener that combines clarification and sludge thickening in a single operation with a footprint 25-50% smaller than a conventional clarifier alone! Effluent from the CONTRAFAST system is ready to be sent to filter press for most applications.
Utilizing a combination of internal and external sludge recirculation and tube settling clarification, the CONTRAFAST process is capable of running at rise rates of 6 gpm/sq.ft. and higher - over 4 times the rate typically used for conventional clarifiers. In addition, the CONTRAFAST unit produces sludge with more than 20% solids by weight.
Package units are available with nominal capacities of 175, 350, 700, and 1,400 gpm. Custom units can be designed to virtually any size or flowrate.
Features and Benefits
Features:
- High rise rate
- Thickened sludge
- Pre-engineered design
- Sludge return pump
- Pilot unit available
Benefits:
- Small Footprint
- Mimimizes foundation size and cost
- Eliminates separate sludge thickener
- Less waste
- Save design time and cost
- Sludge thickening control
- Confirm process sizing
Applications for the CONTRAFAST® Include:
- Lime-soda softening
- Surface water clarification
- Backwash waste recovery
- Cooling tower blowdown/sidestream treatment
•Brochure: CONTRAFAST® High-Rate Sludge Thickener Clarifier
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