Big spend on odour control in Scotland

The Alderley Group is set to clean up a teatment works in Scotland following the award recently of two major contracts to supply odour control and environmental monitoring systems.

Under a £1 million-plus order, as part of the Greater Glasgow Solution Project, an Alderley Group Company, Alderley Process Technologies, will supply five Odorgardª Units to two treatment works, one at Shield Hall in Central Glasgow, and the other at Daldowie in South East Glasgow.

The second order, for a single OdorgardTM system, is part of a new treatment works for the Dundee area, based at Hatton. The site itself is part of a coastal conservation area, close to a public beach and therefore sensitive from both environmental and leisure standpoints.

APT’s OdorgardTM system scrubs air chemically to reduce a wide range of odorous gases, including hydrogen sulphide. In operation, the company reports that removal efficiences of over 99% have been readily achieved which has reduced complaints about sewage smell to zero in many areas.

In the process, the inclusion of a Synetix fixed-bed catalytic reactor enhances significantly the oxidising potential of the scrubbing system by forming nickel super-oxides. This lowers the amount of bleach used in the process, while also reducing the number of scrubbing columns required.

The order for the treatment works at Shield Hall and Daldowie were awarded by SMW – a joint venture company comprising Scottish Power; Miller and Va Webag. The order for Hatton was placed by a JV between Bechtel and Morrison. Odorgard units are supplied under licence from Synetix.

At Daldowie, Alderney Environmental has been awarded a separate contract to monitor emission levels from the works.

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