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Specialist pumping solutions supplier Verder and chemical dosing expert Naiad have supplied Kilroot power station with a low-maintenance dosing solution.

Kilroot power station has recently installed a Naiad copperas saturator with Verder Dura pumps to accommodate copperas crystal and generate dilute ferrous sulphate solution for dosing.

Phil Kerrison, managing director of Naiad and the designer of the process, said: ‘Dosing the intake water at coal-fired power stations can protect the condenser tubes against corrosion.

‘The addition of ferrous iron to seawater causes an effective protective film to establish as Fe2+ is oxidised to colloidal iron, which adheres to the inside walls of the tubes,’ he added.

Mike Heap, sales director at Verder, said: ‘With the Naiad copperas actuator now in place, the process is automatic and requires little manual intervention.

‘It has performed well since it was installed some months ago and has enabled one-tonne loads of copperas crystal to be safely employed.

‘At Kilroot, the one-tonne bags are lifted into position above the saturator with a crane system and copperas crystal is progressively fed into the reception tank by releasing a draw cord at the base of the bag.

‘In Naiad’s process, the crystal is continuously dissolved in water and dosed to the works inlet by dedicated Verder Dura pumps, with similar pumps being used to generate the dilute solution.

‘The process is regulated by a digital dose controller, which is set up and operated by way of a touch-screen HMI.

‘The site operator simply enters the weight of chemical delivered to the unit and starts the dosing process by processing the start button on the dosing panel.’

Verder manufactures and supplies high-quality pumping solutions throughout the world to a variety of industries including: water and wastewater; printing; packaging; chemical; industrial; food and beverage; construction and pharmaceutical. Verder’s range of quality industrial pumps can assist in any application and include: peristaltic pumps; air-diaphragm pumps; mag-drive centrifugal pumps; and gear pumps.

We specialise in providing sealless pumps, which ensure that spillages are avoided a particular problem when pumping hazardous chemicals, aggressive or abrasive fluids, toxic media and fluids containing solids.

Verder pumps are safe, strong and reliable products and with most pumping ranges offer a sealless, 100 per cent leakproof pumping solution.

In addition, pumps for specific requirements such as Atex, ultra-pure or SIP/CIP possibilities are available in the Verder pumping range.

Verder has vast experience in providing reliable and cost-effective fluid-handling solutions and with more than 50 years' experience we are specialists in this field.

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