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WWT Explains Wastewater pump optimisation

In our latest WWT Explains guide, produced in association with Grundfos, we look at wastewater pump optimisation.

The UK has a big challenge in the form of wastewater. The nation’s pipes, pumps and treatment plants are creaking under rising pressure. Whether it’s a sudden downpour, a new housing development or an unexpected item showing up in the wastewater, utilities must adapt their systems to meet changing demands.

Wastewater pumps have a central part to play within this response. In August 2020, a prolonged heatwave across the UK gave way to heavy downpours in parts, producing floods in the worst-hit areas. The right pumping system can prevent combined sewers from overflowing under these circumstances.

This guide covers the following topic areas:

  • What is an S-tube impeller pump and how can it be seen as transformational for wastewater?
  • What were the results of field testing the S-tube impeller pump?
  • How can the S-tube help water companies to deliver on their performance commitments for AMP7?
  • What are the properties of conventional wastewater pump designs?
  • How are the challenges of conventional pump designs commonly overcome?
  • How does the S-tube’s efficiency curve compare to a conventional wastewater pump?
  • How has the S-tube advanced the capacity of free passage through the pump hydraulic?
  • How does the S-tube impeller pump’s vane-free design influence wear rates?
  • How did modern computer science enable the design process for the S-tube impeller?

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