Modular treatment plants deliver flexible upgrade for UU • Packaged treatment SAFs installed at two United Utilities sites • Flexible modular units mitigate risk of stranded assets • Variable speed blowers optimise energy use UK manufacturer WPL has installed enhanced models of its Hybrid SAF (submerged aerated filter) modular wastewater treatment plants at two United Utilities (UU) sites - Sandbach in Cheshire and Law

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