Odour control technology married to award-winning architecture

When a metropolitan area is regenerated or major development takes place that expands or installs a new sewerage and wastewater system, care must be taken to prevent an odour nuisance to the local population. For this reason, effective yet compact odour control equipment is a key component.

Odour control technology married to award-winning architecture

In times past the architecture associated with such installations was striking. A new sewage pumping station at Pudding Mill Lane on the Olympic Park, designed by John Lyall Architects, follows in this tradition. So much so, it won a prestigious New London Architecture award.

Incorporating a highly efficient odour treatment unit designed by odour control specialist ERG (Air Pollution Control) Limited, the pumping station, built by Barhale Construction connects the new sewer system to the existing northern outfall sewer. At the heart of the process is a pair of dual bed carbon filters designed to treat odours. Each of the 2.7 metre diameter by 4 metre tall filters contains activated carbon with an expected life of around 2 years. Affectionately nicknamed "Pinky and Perky", the two GRP filters are decorated in an eye-catching Olympic bright pink colour.

To ensure effective continual treatment, the two units operate in series. The process is guaranteed by regular monitoring for odour compounds in the air within the ducting that joins the units. Should preset limits be breeched, indicating the 1st stage carbon is depleted, it can be taken off-line for the carbon to be changed. Odourous air then continues to be treated by the 2nd stage filter, thus ensuring there is no nuisance in the neighbourhood.

Completing the facility's integrated architectural approach, the discharge stacks vent to atmosphere through the lantern at the top of a tower. At night this glows blue and acts as a useful wayfinder for the wider area.

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