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Mark Pamperin
Product Manager Biological Processes
866.608.4642

GoFlo™ Continuous Fill Batch Reactor (CFBR) System

Proven Cost-Effective Wastewater Treatment

Evoqua’s GoFlo™ CFBR system with Jet Tech technology is an efficient, simple to operate biological wastewater treatment process ideally suited for treating flows with less stringent effluent requirements from 25,000 gallons per day (GPD) to tens of millions of GPD, with storm flows up to five times the design flow. The retrofit of existing tanks is available. 

The GoFlo CFBR includes the industry's leading energy efficient fine bubble diffusers and the only true solids  excluding decanter that does not utilize electro-mechanical equipment in the basin.  ​

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 Simple Cyclic Operation

​Evoqua's GoFlo CFBR system accomplishes equalization, aeration, and clarification in a single reactor basin.  The simple cyclic operation eliminates clarifiers, RAS pumps, Recycle pumps, and yard piping.  A single cycle for each reactor consists of three discrete periods; Filled React, Filled Settle, and Filled Decant. Influent flow is distributed evenly among the basins to ensure uniform process conditions and minimize automation. 


1) ​Filled React
Screened influent flows continuously and equally to each reactor to ensure uniform process conditions and minimize automation.

2) ​Filled Settle:
Aeration and mixing are turned off to allow the biomass to settle, leaving the treated supernatant above.

3) Filled Decant:
Effluent is removed from just below the liquid surface by Evoqua’s floating solids excluding decanter.

MCFRB_Settle_sm.pngMCFRB_Decant_sm.png

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 GoFlo™ CFBR Features & Benefits

  • Biological Nutrient Removal (BNR) option available
  • Uniform influent distribution
  • Submerged, Scum-Free Decanter
  • High quality effluent with storm flows up to five times the design flow
  • No need for clarifiers
  • Simple automated controls
  • Low capital and operation cost​

 Evoqua's Energy Efficient Fine Bubble Diffusers

​The MonoAir™ single pod diffuser system utilizes Evoqua’s industry leading Diamond™ S Plus membrane diffuser providing higher oxygen transfer efficiency versus similar diffusers for significant energy savings for maximum performance.  

For example, the Present Value (PV) of energy savings for a 1.0 MGD facility with a 10 year membrane life is $7,000 to $10,000 (depending on cleaning frequency) at $0.07 kWh, and $14,000 to $20,000 at $0.15 kWh.

 True Solids Excluding Decanter

Evoqua’s floating solids excluding decanter is the only true solids excluding decanter in the industry that does not utilize electro-mechanical equipment in the basin. This state-of-the-art design utilizes multiple orJT000005.jpgifices to keep velocities at a minimum, and pulls treated effluent from below the surface to eliminate the possibility of entraining floatables.  The effluent withdrawal is typically 18"- 24" beneath the water surface, therefore preventing the entrainment of surface scum, floating debris and foam.

Features & Benefits

  • Simple safe operation
  • No in-basin electromechanical devices requiring maintenance.
  • The actuating valve is located outside the basin at ground level for year-round ease of access and maintenance.
  • Over 10,000 plant years of reliable operating experience
​Click on the tiles below to learn more about our other available batch reactor systems.
shirley.sloan@evoqua.com GoFlo™ Continuous Fill Batch Reactor (CFBR) System