Advanced SBR (ASBR)
The Advanced Sequencing Batch Reactor (ASBR) is an enhanced SBR process, which incorporates staged activated-sludge process configurations to operate with continuous inflow of wastewater and increase efficiency and capacity. The process utilizes a simple repeated time-based sequence of operation, which incorporates: Aeration (for biological reactions), Settling (for solids-liquid separation), and Decanting (to remove treated effluent). Completion of these three operations in the sequence described above constitutes a cycle, which is then repeated.
Application:
- Sending a signal through the PLC to the decanter after sufficient time to clear it.
- Move the decanter below the water through the electric actuator.
- Setting the output flow rate based on the overflow submersion.
- Operation of the stimulus switch when the water level reaches the lowest limit and stopping the discharge operation.
- Move the drive toward the park’s spot to start the next cycle.
- Operation of the induction switch when decanter arrives at the park’s point
Technical Properties:
- Material: All parts made of stainless steel.
- Discharge capacity: 2.5 cubic meters per minute for per meter of length under normal conditions (depending on length and height of water on the overflow).
- Dimensions: The length of the decanters of this company is between 3 and 10 meters (different lengths are custom made).
Advantages:
- Continuous feed, batch discharge
- Requires very little energy and no chemicals
- Odor-free process – the system does not require any odor control devices
- Lesser footprint compared to SBR
- Modular construction possible
- Operation is flexible; nutrient removal can be accomplished by operational changes
- Good flexibility versus changes in volumetric flow rate due to the ability to adjust the speed of the decanter.
- Resistant to corrosion
- Upgrading the operation of the system due to the transfer of refined sewage through the series to the decanter channel and visibility of its quality.
- Easy and minimum maintenance due to installation of drive system outside the tank Operation as overflow in high flood and discharge conditions, to prevent damage to the refinery unit