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New Demonstration of WEARS ResMix Vital for Welsh Water at Potable Water Storage Reservoir.

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Friday, 14 July 2017 16:28

One of the biggest concerns for water operators is being able to provide a water supply of consistent quality. In conjunction with its partner, WEARS Australia, Gurney Environmental have been working with water authorities to achieve this stabilisation in treated water reservoirs by installing the ResMix Vital system.

Engineers from Gurney Environmental have just completed the installation of a ResMix Vital system in a selected potable water storage reservoir in North Wales for Welsh Water.

The highly efficient ResMix Vital which can incorporate an optional chlorine dosing system, requires only 10 percent of the energy used by alternatives. It is the only water management solution capable of preventing dead spots and short circuiting while generating homogenised conditions in the water column.

Achieving Reservoir Stability

The ResMix Vital system is recognised as a best practice, cutting-edge solution for eliminating water stratification, temperature variation and dead water zones in potable water reservoirs. ResMix Vital was engineered and designed to collapse into a compact form for easy installation into potable water storage reservoirs through small openings. The system, which can incorporate dosing reagent mixing and dispersant, is purpose-designed, high flow, low powered, easy to install, and addresses reservoir circulation and stratification related issues.

The ResMix Vital can reduce the impact of chlorine residuals by as much as 45% (see case study data chart below), eliminate stratification, as well as reduce surface temperature, remove dead zones in the reservoir, and minimise floor sedimentation and biological build-up on internal surfaces.

The ResMix Vital in The UK

Gurney Environmental, WEARS UK partner, is working with water companies who can benefit from the optimisations offered by this system in the UK and have achieved DWI Reg 31 approval for use in potable water reservoirs.

Case Study data showing chlorine residual reductions after installation of ResMix Vital system.



We've already found that the ponds work a lot better, they are a lot cleaner and functionally look a lot better than what they were previously. It seems to be working at this stage, so we're quietly confident that it's going to be a good investment.

Richard Kirby Regional Sewerage Business Unit Manager Nelson, New Zealand

...there is no doubt about it, the ResMix system works! Having started with a volatile and inconsistent chlorine residuals in our supply, we are now using the WEARS product to mix and dose our tanks. We are not alone in our experiences here. All I can say is that the results speak for themselves.

Doug Moorby Manager of Engineering Operations Norromine Shire, Australia

Adding the Accel-o-Fac® system to South Gippsland Water treatment cells where traditional surface aeration was previously used allowed the corporation to significantly reduce energy use. The savings in kWh are excellent with one application saving 72% in energy compared to the previous year.

Brett Vurlow South Gippsland Water Victoria, Australia

The fact that there is no associated sewage odours [with the Accel-o-Fac wwtp] meant that the system could be located relatively near to the village, and, after 10 years of use, no sludge removal has been needed.

Stephen Twyford Land & Property Department, Holkham Estate, Norfolk, UK

These results show that the [ResMix] mixer is providing a fully mixed water column and preventing conditions for manganese and nutrient release from the sediments.

Stuart Holden Process Engineer, United Utilities Engineering Ridgegate Reservoir

We are very pleased to be using this innovative management system in the reservoir at Pontsticill. This investment will improve the water quality for customers in the area and ensure they continue to receive a top quality supply of drinking water long into the future.

Roy Samuel Capital Delivery Manager, Welsh Water - Dwr Cymru

The Aero-Fac system at Windsor has to date met and exceeded our consent discharge levels, and we have been very happy with the system installed.

Andrew Dunning The Crown Estate Windsor

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