SBR (Sequencing Batch Reactor)

SBR, or sequential batch reactor, is a system used in biological wastewater treatment that operates on a batch principle. Unlike classic continuous flow systems, both purification and sedimentation processes are performed sequentially in the same tank. The investment cost is low.

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SBR

The operating principle of an SBR (Sequencing Batch Reactor) treatment plant is based on the sequential application of the activated sludge process in batches within a single tank. The difference from continuous flow conventional activated sludge systems is that all processes occur within the same reactor in time-controlled periods.
Key Features of SBR

  • The entire process takes place in a single tank (filling, aeration, sedimentation, decanter).
  • Since it operates hydraulically in a discontinuous manner, there is no continuous input-output.
  • It generally provides good sludge settleability because the settling phase is pronounced.
  • It offers a compact and economical solution for small and medium-sized facilities.
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