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Posted on 11 July 2017 by Ceris Burns
Since being installed in November 2012, an S:MAX SRU:25 sludge screen from CDEnviro has meant Scottish Water – the fourth largest water and wastewater services provider in the UK – has increased its sludge handling capacity and improved the efficiency of its sludge screening operations overall at its Perth Sludge Reception Centre (SRC).
Before the installation of the CDEnviro system, sludge had to go through the wastewater treatment works inlet which meant that waste that had already been treated was being treated again. This wasted time and energy, and ultimately resulted in increased costs.
As part of a newly built SRC and storage tank, the screen installed by CDEnviro accepts imported waste from tankers collected from the surrounding areas. The sludge can be directly pumped in to the SRC, eliminating the need to pass through the inlet. This has allowed Scottish Water to centralise operations at the site and bring in an increased number of tankers from the local area.
Scottish Water Perth Sludge Reception Centre now processes around 9,000 cubic metres of sludge per month; around 3,000 cubic metres per month more than the previous system.
The S:MAX SRU:25’s low power consumption and size means that it has a small footprint on site and it can be deployed rapidly meaning that it is ideal for imports via tanker.
Karen Smith, Team Leader at Scottish Water Perth, explained how the system has changed operations, “The Sludge Reception Centre is such a strategic part of operations in the Fife & Tayside area. The screen is an extremely critical piece of kit and we mitigate downtime by using the available Preventative Maintenance Inspections (PMI). We also hold a full set of critical spares. This means there is no lead time for replacing any parts.”
The success of the solution at Scottish Water Perth has been attributed to regular PMI since the installation. This has allowed the initial success of the system to be maintained.
In addition, Scottish Water Perth has carefully looked after the system to reduce the need for maintenance. Staff regularly check the equipment to make sure it is running smoothly and order spares with the mind-set that ‘prevention is better than cure’.
Tim Daly, Service Engineer at CDEnviro, visits the site regularly to make a list of any maintenance needs. He stresses the importance of PMI, “Preventative maintenance enables us to resolve any potential issues before they become a problem. At Scottish Water Perth, this has meant that the system has had very little downtime.”
Peter Hayes, Business Development Executive at CDEnviro also explains, “Regular liaison with our team and the team at the site in Perth has meant that the system is running more smoothly than ever. Scottish Water Perth is the perfect example of how investment into preventative maintenance ensures a long lifespan for your system.”
Our solutions at CDEnviro are used in a variety of industries, including wastewater treatment works, sewage treatment works, demolition contractors and contractors to the water and wastewater industry.
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