Sequencing batch reactor (SBR) sewage treatment plants

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Rewatec solido smart sbr sewage treatment plant

What is a sequencing batch reactor?

A sequencing batch reactor (SBR) treats wastewater in optimised batches using tried and tested biological processes that deliver exceptional reliability and efficiency. They are an ideal sewage treatment plant for residential or commercial projects striving for high performance, with minimal energy consumption.

If your needs evolve after installation, our systems have the versatility to keep pace. They can be altered to cope with changes in population, periods of limited or no usage, and their treatment parameters can be personalised for your individual requirements. This is turn can reduce energy usage and as such, reduce your energy bills.

Solido Smart

The Rewatec Solido Smart is the next generation of wastewater treatment. Suitable for a population of up to 100 people, it meets stringent Irish regulations and exceeds the high demands of contemporary sewage treatment plants with regards to efficiency, performance and reliability.

Both Rewatec Solido Smart SBR sewage treatment plants (Solido Smart SBR and Solido Smart SBR XL) combine wastewater treatment and clarification in a single tank, giving you a streamlined design that optimise performance and your operating costs.

Example applications

  • primary residences
  • seasonal residences
  • residential developments
  • commercial developments

How do our SBR systems work?

Inside our SBR systems, intermittent aeration cycles break down solids and provide oxygen to microorganisms that feed on organic wastewater pollutants.

After aeration, remaining solids – including microorganisms – sink to the bottom of the tank. Some remain inside the tank to treat the next batch of wastewater and are known as activated sludge. Remaining solids are extracted and returned to the primary treatment tank or a sludge storage tank.

During periods of very high flow, the system can shift from a batch-flow strategy to a continuous-flow strategy with intermittent discharge. This versatility eliminates the need to overdesign the system to cope with fluctuating flow rates, and it has no effect on treatment performance.

Receiving system and final discharge

As solids settle on the bottom of the SBR, treated wastewater forms at the surface. A floating decanter with a solids-exclusion feature drains this wastewater so that it can be safely released into the environment.

SBR maintenance

Protect your investment in your Solido Smart SBR tank by having it regularly inspected by Premier Tech.

When we visit your property to service your sewage treatment plant, we will:

  • check for cracks and leaks in the tank
  • measure the scum and sludge layers
  • pump the SBR tank, if needed
  • clean the effluent filter in the outlet pipe
  • keep and update maintenance records for your system
  • explain any areas of concern and recommend next steps


For over 50 years, we have proudly developed sustainable and long-lasting products that make a real difference for our customers, our professional partners, and, above all, our planet.

Our experience in the industry allows us to give you a complete warranty for our SBR sewage treatment plants. This includes:

  • 25 year shell warranty
  • 3 year Solido Smart technology warranty
  • 3 year pump warranty (where applicable)
Rewatec 25 years warranty


    Visit our office

    ​​​​​​At Premier Tech we strive to fully meet the requirements of our professional partners. If you require product functionality guidance or more detailed information for installations, we can provide a solution to meet your needs.

    Contact us to find out more

    Available products

    No two projects are the same. That is why we offer a range of Rewatec SBR systems, each designed according to your unique wastewater treatment needs and preferences.


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