Water treatment chemicals

Improve the performance and safety of your facilities with the HYDREX™ range of water treatment chemicals.

The HYDREX™ water treatment chemicals range includes both organic and inorganic chemicals formulated to meet the individual specifications of customers in the industrial and municipal sectors:

  • Physical pre-treatment of water: settling, filtration, etc.
  • Physicochemical pre-treatment of water: reverse osmosis, resins, etc.
  • Treatment of energy carrying fluids: cooling towers, boilers, etc.
  • Drinking water production
  • Process water production
  • Effluent and sludge treatment, etc.


Why you should choose products from the Hydrex™ range?

  • Considerable expertise in chemical conditioning of water and water treatment on a global scale; including feedback from our subsidiaries on the use of our chemicals within their customers' applications in various sectors of activity.
  • Hydrex™ products are specially formulated to optimize the operation of our water treatment facilities; resulting in an excellent equipment-product synergy.
  • Comprehensive range of chemicals, available worldwide, meeting specific requirements and suitable for all types of water treatment.
  • Unique service: a single local contact for all requirements: chemicals and water treatment systems, provision of water treatment facility operation guarantee contracts, research and development of new products, technical audits, etc.
  • Guaranteed quality of Hydrex™ products: verification of raw materials, purity analyses, strict quality control, storage of samples for all production batches, etc.
  • ISO certification of water treatment chemical supply activities for Veolia Water STI (ISO9001V2000) and a large number of Veolia Water Technologies' subsidiaries.
  • Approval of Hydrex™ 4000 series products by major membrane suppliers. In the case of some Hydrex™ 4000 series products, "drinking water and food industry" approval by the American organization ANSI - U. L.
  • Competitive prices


Hydrex™ Brochure (EN) (320.32 KB)
Hydrex™ Brochure on biosourced flocculating agents (340.31 KB)