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Suspended Air Floatation SAF Technology from Heron Innovators
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SAF™ Systems

ClearFloater™

SAF™ Generator

How SAF™ Works

SAF™ Replaces DAF

Retrofit Your DAF


SAF™ Successes

SAF™ Pilot Trailer

SAF™ Applications

Heron Highlights

 







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Series F
Suspended Air® Emulsion Generator

Generators are rated to treat the stated wastewater flows containing suspended solids as indicated.





Series F Rating Chart
Wastewater Suspended Solids (mg/L)
  500 1000 1500 2000 2500 3000 3500 4000 4500 5000
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Model Suspended Air® Emulsion Generator Wastewater Flow Rating (gpm)
F2 100 100 50 50 34 34 25 25 20 20 17 17 14 14 13 12 11 10 10 8
F8 200 200 100 100 60 60 50 50 40 40 33 30 29 27 25 23 22 20 20 18
F25 1300 1250 650 630 430 400 320 300 260 240 210 200 180 170 150 140 140 130 125 110
F50 2600 2500 1300 1200 850 800 630 600 510 490 420 400 360 350 320 300 280 250 250 210
F100 5100 5000 2500 2400 1700 1600 1300 1200 1100 1000 850 800 730 700 630 600 560 530 500 450
F200 10200 10000 5100 4900 3400 3200 2600 2400 2200 2000 1700 1600 1500 1400 1300 1200 1150 1050 1000 900




Dimensions

MODEL F200
MODEL F200
replacing a DAF pressurization system

60 Hp reduced to 10 Hp

Dimensions
Model Emulsion
(gpm)
Water Req.
(gpm)
Dimensions (inches) Motor
HP
W L H A (dia.) B (dia.)
F8 2.1 1.3 36 34 64 1/2 3/8 1
F25 6.6 4 40 49 78 1/2 3/4 2
F50 13.2 8 53 61 78 3/4 1 3
F100 26.4 16 64 63 78 1 1.5 5
F200 52.8 32 66 69 78 1.25 2 10


Standard Specifications

OPERATION AND APPLICATION - SAF™ outperforms DAF because each Suspended Air® bubble is a working bubble, with an electrically-charged surfactant film ready to attach and stick to oppositely-charged floc particles. This results in extremely high rise rates and a stable float characteristic, and makes it possible to operate a flotation process at 10 times the hydraulic loading rate and 10 times the solids loading rate of DAF.

An existing DAF can be retrofitted: Suspended Air® Emulsion Generators are replacing DAF pressurization systems, increasing the hydraulic and solids loading capacity of an existing DAF flotation tank by 3 to 4 times without increasing footprint and without modifying the existing tank. Generally, retrofits have the added benefit of reducing connected HP.

STANDARD FEATURES AND OPTIONS - Unit is supplied pre-piped and pre-wired, with removable top cover panel, a NEMA 4X control panel, and connection points for electrical power, makeup water, frothing agent, and emulsion output.  Multiple emulsion outputs with individual flow metering can be provided as an option.

Sealed Generator Module: Stainless Steel, fully seal welded, carrying an extended warranty of five (5) years against defects in materials or workmanship. Patented technology.

Frothing Agent Metering Pump: Mechanicaly-actuated diaphragm type. Control signal input for rate adjustment proportional to emulsion flow rate. 

Instrumentation and Controls: Polypropylene Hall-effect flow sensor, flow rate and totalized flow display, and control signal output. Float and solenoid water level control. “Warmup” time delay on emulsion output solenoid valve.

Recycle Pump: Models F50 and larger:  Rotary lobe or gear positive displacement pump coupled to a 3 phase 460V electric motor with electronic variable speed drive and gear reducer.  Models F8 and F25:  Regenerative turbine pump close-coupled to a 3 phase 460V electric motor with electronic variable speed drive.  Single phase 230V motors available as an option on Models F8 and F25.  Model F2 has a 110V single phase motor. 
pdf file SAF Generator Brochure (.pdf 132 kb)

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