01 Water Treatment Is Increasing Focus on Controlled Chlorine Dioxide Use The Chlorine Dioxide Market is seeing continued demand from water-treatment applications because the chemical acts as both a disinfectant and a strong oxidizing agent. At the same time, water authorities are placing greater emphasis on monitoring treatment chemicals and their by-products, which encourages accurate generation, dosing, and analytical systems. This is shifting competition toward controlled on-site treatment solutions rather than simple chemical supply. Suppliers that combine chlorine dioxide chemistry with automated dosing, monitoring, and technical support can benefit as water utilities strengthen risk-based water-quality management and modernize disinfection infrastructure. In June 2026, WHO published its updated Guidelines for Drinking-water Quality, incorporating new evidence and implementation experience for risk-based water management, including chemical hazards such as chlorine dioxide, chlorate, and chlorite.
01 Growing Water-Safety Requirements Support Disinfection Demand Water utilities must control microbial risks while managing chemical contaminants and treatment by-products across the complete supply system. Chlorine dioxide provides an alternative oxidation and disinfection option that can be selected according to source-water quality and treatment objectives. This creates continuing demand for accurately controlled disinfectants while encouraging suppliers to improve dosing precision and by-product monitoring.
01 Chlorite and Chlorate By-Products Require Strict Process Control A key restraint is the formation of chlorite and chlorate when chlorine dioxide is produced or used in water treatment. These compounds are monitored because drinking-water systems must control chemical exposure as well as microbial hazards. Consequently, operators cannot simply increase disinfectant use when treatment conditions become difficult. These requirements increase operating complexity and can make alternative treatment technologies more attractive for some applications. Suppliers must therefore demonstrate both disinfection performance and controlled chemistry, particularly in drinking-water systems where health-based standards and routine analytical monitoring influence technology selection and operating practices.
01 Food-Processing Water Creates Scope for Specialized Treatment Systems Food processing offers an opportunity for chlorine dioxide suppliers because water quality directly affects hygiene and production operations. Approved applications include microbial control in process water used for fruits, vegetables, poultry, and other food-handling environments. These facilities need consistent treatment while managing variable organic loads and contamination conditions, creating demand for controlled on-site generation and monitoring rather than uncontrolled chemical addition. Suppliers can differentiate through automated equipment, reliable measurement, service support, and systems designed around specific processing conditions. Growth in industrial water reuse and stricter hygiene management can further strengthen this opportunity by encouraging processors to treat water efficiently while maintaining appropriate microbial-control standards throughout production facilities.
01 Worker Safety Requirements Complicate Generation and Handling Chlorine dioxide requires careful occupational and process-safety management because exposure at elevated concentrations can create serious health risks. This is particularly important because commercial systems commonly generate chlorine dioxide where it is used rather than transporting large quantities as a conventional stored product. Facilities therefore require controlled equipment, ventilation, monitoring, trained personnel, and emergency procedures. These requirements add complexity to installation and operation compared with simpler treatment approaches. Equipment suppliers must design systems that minimize unintended exposure while maintaining accurate chemical production and dosing. As chlorine dioxide applications expand across industrial and municipal facilities, safe generation and workplace exposure management remain essential for protecting personnel and sustaining regulatory acceptance.
September 2025 De Nora expanded its electrochemical water treatment portfolio by advancing disinfection technologies and integrated solutions for industrial and municipal water applications, including systems utilizing chlorine dioxide-based treatment approaches.
July 2025 ProMinent expanded its disinfection technology portfolio by introducing enhanced chlorine dioxide generation and dosing solutions, supporting applications in water treatment, food processing, and industrial hygiene.
June 2025 Grundfos expanded its water treatment solutions portfolio by enhancing chemical dosing and disinfection systems that support chlorine dioxide applications in industrial and municipal water management.
May 2025 Evoqua Water Technologies expanded its water treatment solutions portfolio by strengthening chlorine dioxide-based disinfection technologies for municipal, industrial, and healthcare applications, supporting demand for advanced water purification systems.