18 June 2004
18 June 2004
Plans are afoot to remedy sewage odours in Grimsby, UK, by installing glass reinforced plastic kiosks.
The 1 million GBP plan devised by Anglian Water, working in conjunction with North East Lincolnshire Council's Environmental Health team aim to alleviate sewage odours from the local Pyewipe Wastewater Treatment Works.
Anglian Water, who own and manage the Wastewater Treatment Works, operates 1,076 wastewater treatment works treating 1,800 million litres per day, in an area that covers the equivalent to one-fifth of the land area of England and Wales. Nearly six million people receive wastewater services from Anglian Water and this involves a network of sewers that laid out end to end would measure 34,000 kilometres Pyewipe wastewater treatment works serves the Grimsby catchment for domestic and commercial wastewater treatment.
Anglian Water has been looking at ways of further minimising odour from the treatment process and one of the techniques examined is dosing the incoming wastewater.
The dosing helps to control the production of odorous compounds during the wastewater's residence time in the sewer system. The dosing takes place at3 pumping stations throughout the catchment. At two of these sites new GRP kiosks are being installed to house the dosing equipment.
Gareth Rondel, spokesperson for Anglian Water said the aim was ""prevention rather than cure. The sewage will be dosed with a substance to help alleviate odours as it comes through the kiosk.""
Building of the glass reinforced plastic kiosks would take around two months. The initial installation is expected to cost around 150,000 GBP, with annual running fees totalling around 100,000 GBP. The three kiosks which will be similar in size to garden sheds are designed to house the equipment that will help to deal with odour from the sewage before it reaches the main plant.
The kiosks used are from a traditional range of GRP kiosks and buildings offering a practical, swift and economic alternative to more costly and complex conventional building materials. The many advantages of GRP composite construction are ideally combined with a traditional appearance to blend with the surrounding environment and local architecture.
The exact design of the kiosks to be used in Grimsby is not yet known, but the kiosks will offer many advantages over traditional brick or aluminium structures. The GRP kiosks will provide a maintenance free structure with improved anti-corrosive properties which will prove to be especially important when combating the odours from sewage. They also offer enhanced durability against rain and are more mobile owing to their lighter weight.
Quinshield of South Wales, UK are due to supply the Kiosks which have been used for similar purposes before, in addition to their common usage for housing compressors, pumps and valves, radio stations and substations.
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