Kingfisher wear protection goes to Qatar energy from waste plant 18 May 2011

Kingfisher's experience of wear protection systems for energy from waste plants in the water industry has resulted in a major order for a sewage treatment works in Qatar.

The works, to the north west of Al Gharrafa, operates 24/7/365 under very demanding conditions, which led Kingfisher to recommend a 20-year design life on silo cones lined with its K-Bas material.

Silo cones have to cope with environmental impacts, such as wind speeds up to 42m/s, relative humidity to 100% and ambient temperatures of 40 C. A further problem is salt in the atmosphere, meaning severe corrosion risk.

Wear protection is also necessary because of the highly abrasive sewage sludge, as it picks up debris, sand, grit, metallics and plastics.

As a result, the mild steel silo cones have been divided into intermediate sections 4m in diameter and 3m high, and lower sections 1.2m diameter by 750mm high.

These are ined with Kingfisher's K-BAS cast basalt lining, which is extremely hard and smooth, and resists most acids and alkalis, even at elevated temperatures.

Brian Tinham

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