Series CF ClearFloater™ Flotation Separator

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FLOTATION TANK DESIGN

The Series CF design has been developed to realize the full advantage of the extremely high rise velocities and stable float characteristic of flocculated solids having Suspended Air® bubbles attached. The inlet passes through an agitated flocculation chamber and flow to the flotation area is distributed evenly across the tank length. The skimmed surface is longer that it is wide. The solids are skimmed off immediately after reaching the surface.
The unique durability of the float typically allows sufficient dewatering without allowing a mat of solids to build up. However, every ClearFloaterTM Flotation Separator skimming system is equipped with a variable frequency drive (VFD) motor for controlling the speed of the skimming rake and an on/off delay timer to allow for more dewatering should that additional effort be required. Skimmed solids area scraped up an inclined beach section to the discharge chute. Clarified effluent passes underneath a deep baffle, overflowing a full-width adjustable weir to the effluent receiving box.

EQUIPMENT FEATURES AND OPTIONS

Tank and Support Materials

304 Stainless steel, minimum 12 gauge, welded construction.

Flocculation Chamber

Mechanically agitated compartment within the flotation tank, mixer shaft direct- driven by a variable speed gearmotor. Provides for effective blending of Suspended Air® Emulsion and additional polymer with influent coagulated/flocculated wastewater.

Mechanical Skimmer

Chain and flight, stainless steel fights and shaft, thermoplastic sprockets and pintle chain, with the drive sprocket direct driven by a variable speed gearmotor. Timed on/off cycle be supplied as an option.

SIZING SERIES CF CLEARFLOATER™ FLOTATION SEPARATOR

ModelClearFloaterTM Wastewater Flow Rating (gpm) a
ClearFloaterTMSAFTM GeneratorRecommended MinimumRecommended Maximum
CF25F81030
CF50F820100
CF125F850200
F25125250
CF250F25200350
F50250500
CF500F50350700
F1005001,000
CF1000F1007001,400
F2001,0002,000
CF2000F2001,4002,800
F4002,8006,000
CF3000F4004,0008,000
a. Maximum flow rates are dependent on constituent concentrations. Excessively high concentrations may require testing to size equipment.

SERIES CF CLEARFLOATER™ FLOTATION SEPARATOR DIMENSIONS

MODELFLOTATIONDIMENSIONSPIPE SIZE (in.)
AREA (sq. ft.)WLHAB
CF5085′9′7′33
CF12517.56′10′8′4x(2)36
CF250358′12′9′6x(2)48
CF500729′18′11′8x(2)610
CF100014412′25′13′12x(2)812
CF200030412′44′13′14x(2)1216 (2)
CF300043212′60′13′18x(2)1218 (2)
a. Maximum flow rates are dependent on constituent concentrations. Excessively high concentrations may require testing to size equipment.

How Did It All Begin?

The first applications of SAF® were in the food processing industry because the company was located in California’s agricultural Central Valley and there was a need for treating wastewater from a variety of food processors. Since then installations have expanded to other industries that formerly relied on the traditional DAF approach. The Suspended Air® Flotation Process can be and is applied in any application where physical/chemical separation via flotation is a viable alternative.