The Right Treatment for ACWA

The Right Treatment for ACWA

A wide range of our pipe and fittings has been installed within the construction of a new nitrate removal plant, as part of an upgrade to a water treatment works.

As a provider of innovative process solutions for the air, water and wastewater sectors, ACWA Services manufacturers a wide range of water treatment units, offering a complete package of design, build, operation and maintenance services to its clients.

ACWA was approached by a water utility to deliver a solution to the increased nitrate levels being experienced by the utility within its groundwater sources. Tasked with reducing the levels of nitrate found in the utility water supply, ACWA manufactured a bespoke purpose-designed nitrate removal skid unit, based on its Nitreat® ion exchange technology, to be installed at the client’s water treatment works.

Integral to the successful operation of the system, a reliable network of pipework and fittings was required to transfer various fluids and solutions around the skid unit. The client stipulated that the pipe used needed to have DWI approval and so ACWA approached us as a trusted manufacturer of high performance, approved pipework solutions for water treatment applications.

Our SuperFLO ABS was installed to carry the raw bore hole water into the plant room, and into the Nitreat® ion exchanger system, where a unique multiport valve controls the distribution of feed and regeneration flows to multiple resin vessels. Once the water has been treated, SuperFLO ABS pipework then transfers the treated water to the next stage of water treatment.

To meet the client’s specific requirements, the purpose-designed system also incorporates UV disinfection and chlorine dosing, in which our PVC-U pipework was installed to transfer the chlorinated treated water into supply. Providing excellent chemical resistance, ourPVC-U allows the safe transportation of many acids, alkalis and chemical concentrates without fear of corrosion and environmental pollution, making it the ideal choice for ACWA.

Commenting on the project, Andrew Fishwick from ACWA said: “A complex network of pipework and fittings was needed to transfer the variety of untreated and treated water around this system with very specific performance criteria needing to be met.

“Due to the conveyance of treated potable water, any pipe used needed to be DWI approved, but we also needed a system that could withstand some exposure to UV light, as the plant room was fitted with skylights. Durapipe SuperFLO ABS could not only meet the performance requirements, but offered us installation benefits due to the lightweight material and easy jointing technique, which was a major advantage as we were often working in tight spaces.”

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