CBR Brochure0 pages

CBR Continuous Fill Batch Reactor
Packaged wastewater treatment process for small communities.
CBR uses sequential batch reactor activated sludge technology in a single modular process unit designed
specifically for small facilities, to produce high quality effluent without the need for any complex controls or
sophisticated moving equipment such as clarifiers, sludge scrapers and RAS pumps.
Process Design Features:
•t Small footprint & low profile
•t Decanting of clear treated effluent
•t Simple design for maximum reliability
•t Filamentous bulking sludge control
•t Simple control philosophy
•t Integral waste sludge digestion
•t Minimal operator input required
•t Modular design - easily expandable
•t No scrapers, clarifier or moving
decanter mechanisms
•t Continuous filling - no influent equalization required
•t Pre-fabricated, “plug & play” systems
•t Integral batch settlement under quiescent conditions
Stage 2
Stage 1
CBR stages of process cycle operation
Stage 1 - Settlement
Outer tank fills continuously with wastewater,
rising from Bottom Water Level (BWL) to
Top Water Level (TWL) in 60 minutes at
maximum design flow. Inner tank undergoes
settlement for 45 minutes.
Stage 2 - Effluent discharge
Decant valve opens after settlement,
discharging treated effluent from the system.
Stage 4
Stage 3 - End effluent discharge
Inner tank liquid level drops to BWL. Decant
valve closes at end of decanting effluent.
Stage 3
Stage 4 - Transfer
Transfer valve opens, all tank levels rapidly
equalize. Transfer valve closes and process
cycle re-starts.
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