Posts tagged with ‘activated sludge’

  • Egger Iris valve WWTP Stendal (DE)

    Aeration air flow control on Stendal WWTP

    Economical constant and sliding pressure control with Iris® Control Valves During the upgrade of the Stendal wastewater treatment plant,...

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  • Commissioning of Iris Diaphragm Control Valves at North Toronto WWTP

    The Toronto North wastewater treatment plant in Canada has been in operation since 1929 and treats the wastewater of...

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