The global ozone generation market, valued at USD 1.65 billion in 2024, is projected to more than double to USD 3.50 billion by 2034, growing at a robust 7.80% CAGR from 2025 to 2034.
Ozone (O₃) is a powerful oxidizing agent used across multiple industries for disinfection, purification, and chemical processing. Generated from molecular oxygen (O₂) using ultraviolet light, corona discharge, or electrolysis, it eliminates viruses, bacteria, VOCs, and other contaminants — without relying on harmful chemicals.
Municipalities worldwide are adopting ozone as a safer, more effective alternative to chlorine for wastewater treatment. O₃:
Kills a broad range of pathogens
Breaks down pharmaceutical residues and industrial pollutants
Produces no chemical storage hazards since it’s generated onsite
For instance, in September 2024, Severn Trent began building the UK’s first large-scale ozone wastewater plant — a EUR 78 million project to improve river health.
With global concerns over water scarcity and pollution, investment in ozone-enabled facilities is expected to soar.
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Beyond water, ozone plays a critical role in air purification systems for hospitals, commercial buildings, and industrial sites. Its ability to neutralize volatile organic compounds (VOCs) and airborne pathogens makes it invaluable in regions facing severe smog.
In 2024, several Indian cities ranked among the most polluted globally — reinforcing the need for advanced indoor air cleaning solutions.
While ozone is effective, long-term exposure at ground level can pose respiratory health risks. Strict regulatory limits on safe exposure can slow adoption.
Additionally:
High infrastructure costs for ozone generation systems
Short half-life requiring onsite production
Competition from lower-cost alternatives
These factors mean the industry must balance safety, efficiency, and affordability to maintain momentum.
Innovation is accelerating. Companies are introducing next-generation ozone generators with higher efficiency, better control, and eco-friendly designs:
RainHarvest Systems (May 2025) launched the Pro Series generators producing up to 30g/hour with precise venturi injection.
Konica Minolta & Tamura TECO rolled out the BACTECTOR 2.0SC, a cost-efficient high-performance unit.
Salher’s OZ Wizard offers automated, sustainable water purification capabilities.
Such innovations are opening doors to residential, municipal, industrial, and medical markets.
Key players include:
Ozonia (SUEZ), Toshiba, Primozone, Ebara, Mitsubishi Electric, Xylem, METAWATER, Ozonetech Systems, ESCO International, among others — with corona discharge technology dominating at nearly 70% of 2024 revenue.
North America leads with major investments in wastewater infrastructure, such as Canada’s USD 258 million water project in 2025.
Europe is accelerating ozone adoption for water and air treatment, with projects like the UK’s micropollutant removal plants.
Asia-Pacific offers vast potential, driven by rapid industrialization, urbanization, and pollution control mandates.
If industry leaders can address cost barriers and regulatory compliance while continuing to innovate, ozone generation could become a cornerstone technology for cleaner water and air — positioning itself as a critical player in the fight against global pollution by 2034.