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Jonathan Dick
Product Manager

DIOX-A Chlorine Dioxide Generator

In the Wallace & Tiernan® systems DIOX-A generators, chlorine dioxide is produced as an aqueous solution of constant strength following the Acid- Chlorite method.

The DIOX-A generator by Wallace & Tiernan brand, is the synonym of reliability in chlorine dioxide technology combining high safety performance with durability, simplicity and low maintenance. Chlorine dioxide is produced as an aqueous solution of constant strength. For the generation, Hydrochloric acid (HCl) and Sodium Chlorite (NaClO2) are used. The strength of the two basic chemicals is balanced in a ratio that ensures an optimal yield of chlorine dioxide.

Available in 3 capacity ranges;

  • DIOX-A 10 up to 10 g/h
  • DIOX-A 250 up to 250 g/h
  • DIOX-A 10K up to 10 kg/h



  • Drinking water
  • Industrial; process water, food and beverage, cooling towers
  • Legionella control
  • Wastewater treatment

 Key BEnefits

  • Inherently safe operation
  • Intuitive, user-friendly touch panel with animated process graphics
  • Extensive communication capabilities
  • Unpararelled flexibility with batch and inline offerings (DIOX A 250)
  • Compact design for easy installation
​* In the United States, chlorine dioxide generation systems are marketed under the Millennium brand. DIOX-A Chlorine Dioxide Generator