Protected: Sandall WwTW (2026)

Oxidation ditch upgrade with vortex aeration delivers capacity increase and operation & maintenance cost savings

By: Sean Mulligan, Peter Leonard, Fergus Clifford, Tom McDonald & John Bullivant

Published: April 9, 2026

Sandall WwTW: New Vortex Powered Aeration™ system installed in oxidation ditches - Courtesy of Vortech Water Solutions Ltd

The editor and publishers would like to thank Sean Mulligan, Founder & Chief Business Development Officer, Peter Leonard, Technical Lead, Fergus Clifford, Chief Operating Officer, all with Vortech Water Solutions Ltd, Tom McDonald, Engineering & Design Manager with Ward & Burke, and John Bullivant, Project Sponsor Bioresources Asset Management with Yorkshire Water, for providing the above article for publication.

Two of the eight VPA-S5040 units installed at Sandall WwTW - Courtesy of Vortech Water Solutions Ltd