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Bespoke Engineered Solution Integrates New Deionisation Plant Into Existing System

deionised water system

Veolia Water Technologies has supplied a deionised water system to Jaguar Land Rover’s Halewood factory

The new, bespoke engineered system, which can deliver up to 90m3/h of deionised water, replaces the 40 year-old ion exchange plant at Halewood which was reaching the end of its life.

To ensure a perfect bodywork finish on all Land Rover models, high purity deionised water (conductivity <0.5µS/cm) is used at all stages of painting from phosphating through to final electro-coating. Average water consumption is almost 30m3/h then, when baths are being dumped and re-filled, this can increase by a factor of three for short periods.

Veolia’s project management team reviewed the existing plant and concluded that the raw water, degassed water and treated water tanks, along with the effluent neutralisation system, could be retained and designed a bespoke ion exchange plant, based around a standard triplex Rapide Strata 45+ with HiPol polishing, to produce deionised water of conductivity 0.1µS/cm.

The skid-mounted plant, together with its dedicated control panel, featuring a Siemens graphic display and Ethernet interface to Jaguar Land Rover’s network, was installed in a new plant room. This provided continuity of production by allowing the existing plant to continue in operation until the Strata 45+ system had been commissioned, ensuring that there was no interruption to the deionised water supply and keeping the paint line running.

Veolia’s well-proven Strata+ uses the latest short-cycle, counterflow regeneration technology with layered beds. This design improves chemical usage efficiencies and reduces waste water, achieving long-term cost savings and helping to reduce Jaguar Land Rover’s water footprint.

Veolia Water Technologies
Windsor Court,
Kingsmead Business Park, High Wycombe,
Buckinghamshire HP11 1JU
Tel: + 44 (0) 1628 897000
www.veoliawatertechnologies.co.uk

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