SBR Process
Categories: Engineering Lab EquipmentThe SBR process is a biological, aerobic wastewater treatment process. In contrast to the classic activated sludge process, the individual process steps are not continuous and do not take place simult...
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Description
The SBR process is a biological, aerobic wastewater treatment process. In contrast to the classic activated sludge process, the individual process steps are not continuous and do not take place simultaneously, but rather are carried out in batches and sequentially in one single reactor.
The reactor is equipped with a compressor for aeration and a stirring machine. The stirring machine ensures sufficient mixing of the reactor contents even in phases without aeration (denitrification). At the end, the treated water (clear water) is extracted from the reactor and collected in a tank. This is done with a floating device, as is typical for the SBR process. Above the reactor is a device for metering an external carbon source (e.g. sugar solution) if required.
Learning Objectives/Experiments
How the SBR process works
Elimination of nitrogen by nitrification and denitrification
Influence of cycle design on treatment results
Recording and interpretation of chronological concentration patterns
Determining conversion rates
Sedimentation properties of activated sludge
Specification
Discontinuous activated sludge process
Sequencing Batch Reactor (SBR)
Stirring machine with timer and continuously adjustable speed
Compressor with timer for aeration
Floating device for extraction of the treated water
Metering device for external carbon source
Flow meter for aeration
Tanks for wastewater and treated water
Measurement of pH value, temperature and oxygen concentration
Process controller with touchscreen for displaying process variables and for controlling the oxygen concentration
Technical data
Trickling filter
diameter: approx. 340mm
height: approx. 1000mm
capacity: approx. 90L
Rotary distributor
max. speed: approx. 2min-1
Tanks
wastewater tank: 300L
collecting tank: 90L
secondary clarifier: 30L
Flow rates
wastewater pump: max. 25L/h
circulation pumps: 2x max. 25L/h
return sludge pump: max. 25L/h
compressor: max. 600L/h
Carrier material
specific surface: 180 or 300m2/m3
Measuring ranges
flow rate:
2…25L/h (wastewater)
5…65L/h (recirculation)
50…900L/h (aeration)
230V, 50Hz, 1 phase
230V, 60Hz, 1 phase
120V, 60Hz, 1 phase
quick overview :
The SBR process is a biological, aerobic wastewater treatment process. In contrast to the classic activated sludge process, the individual process steps are not continuous and do not take place simultaneously, but rather are carried out in batches and sequentially in one single reactor.
The reactor is equipped with a compressor for aeration and a stirring machine. The stirring machine ensures sufficient mixing of the reactor contents even in phases without aeration (denitrification). At the end, the treated water (clear water) is extracted from the reactor and collected in a tank. This is done with a floating device, as is typical for the SBR process. Above the reactor is a device for metering an external carbon source (e.g. sugar solution) if required.
Learning Objectives/Experiments
How the SBR process works
Elimination of nitrogen by nitrification and denitrification
Influence of cycle design on treatment results
Recording and interpretation of chronological concentration patterns
Determining conversion rates
Sedimentation properties of activated sludge
Specification
Discontinuous activated sludge process
Sequencing Batch Reactor (SBR)
Stirring machine with timer and continuously adjustable speed
Compressor with timer for aeration
Floating device for extraction of the treated water
Metering device for external carbon source
Flow meter for aeration
Tanks for wastewater and treated water
Measurement of pH value, temperature and oxygen concentration
Process controller with touchscreen for displaying process variables and for controlling the oxygen concentration
Technical data
Trickling filter
diameter: approx. 340mm
height: approx. 1000mm
capacity: approx. 90L
Rotary distributor
max. speed: approx. 2min-1
Tanks
wastewater tank: 300L
collecting tank: 90L
secondary clarifier: 30L
Flow rates
wastewater pump: max. 25L/h
circulation pumps: 2x max. 25L/h
return sludge pump: max. 25L/h
compressor: max. 600L/h
Carrier material
specific surface: 180 or 300m2/m3
Measuring ranges
flow rate:
2…25L/h (wastewater)
5…65L/h (recirculation)
50…900L/h (aeration)
230V, 50Hz, 1 phase
230V, 60Hz, 1 phase
120V, 60Hz, 1 phase
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