en.Wedoany.com Reported - The Singapore Public Utilities Board (PUB) has selected Italy's Industrie De Nora to provide Sentinel® ultraviolet technology equipped with upgraded electronic ballasts for the UV disinfection system retrofit at the Johor River Waterworks. The project was awarded by PUB's designated contractor, Flotech Controls, with De Nora supporting the retrofit.
The waterworks' original UV system, commissioned in 2011, has provided reliable disinfection for Singapore's drinking water supply for many years. As the system nears the end of its service life, PUB initiated a tender to replace or retrofit the equipment to maintain long-term stable operation.
Facing the challenge of limited space in the building housing the existing UV system, contractor Flotech Controls proposed a retrofit solution supported by De Nora. This solution, part of De Nora's Sentinel® retrofit program, enables system performance upgrades while preserving core infrastructure. By reusing key system components, the retrofit helps reduce material consumption, lower waste generation, and decrease carbon dioxide emissions, making project delivery more sustainable.
The upgraded system will feature enhanced operational performance, with extended lamp life and a reduced footprint, improving efficiency within the existing installation. The entire retrofit project is scheduled for completion by 2027.
Flotech Controls selected De Nora's Sentinel® UV system primarily based on its reliability in medium-pressure applications, ease of maintenance, and ability to adapt to existing infrastructure without requiring a full replacement.
This award also reflects water operators' general preference for technologies that combine reliable performance with simple operation and easy maintenance. Additionally, De Nora's established business network in Singapore, providing local sales and after-sales support, was a key factor in winning the bid.
De Nora's medium-pressure UV technology is designed for demanding drinking water treatment applications, providing powerful disinfection while helping operators simplify maintenance schedules and extend the value of existing assets through practical retrofit pathways, enabling utilities to modernize critical systems with minimal disruption.
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