What is Ozone Water Treatment and How Does It Work?

Ozone treatment is an eco-friendly, efficient method for purifying water. Ozone is a wide-spectrum disinfectant and the strongest commercially available oxidant, and is highly effective in water treatment systems for sanitisation and disinfection of potable and process water.

Advanced oxidation using Ozone is ideal for adoption in municipal water treatment, industrial process water, and high-purity water systems such as purified water (PW), ultra-pure water (UPW), and Water for Injection (WF).

How Does Ozone Water Treatment Work?

1. Ozone Generation – In the ozone generation process, the oxygen is converted into ozone through advanced technologies such as corona discharge (for high-output industrial systems) or electrolysis (for ultra-pure water applications).

2. Ozone Injection into Water – Once the ozone gas is generated, it is efficiently dissolved into water, ensuring consistent contact between ozone molecules and contaminants.

3. Oxidation & Disinfection Reaction – As ozone comes into contact with microorganisms and pollutants, it reacts instantly.

• It destroys microbial cell walls within seconds.
• It oxidises organic and inorganic contaminants.
• It breaks down colour, odour, and taste-causing compounds.

Read more about microorganisms and pollutants : https://otsil.net/growing-financial-burden-of-micropollutants-in-drinking-water/ 

4. Decomposition Back to Oxygen – After treatment, ozone compounds naturally decompose into oxygen. This makes them a sustainable and efficient solution for water treatment systems targeting zero liquid discharge. Ozone eliminates the need to treat disinfection and oxidation by-products, and ensures that treated water remains free from harmful residuals.

What does Ozone Water Treatment Remove?

The ozonation water treatment process is a highly effective method for removing a wide range of chemicals and contaminants from water sources.

• Micro Organisms – Bacteria, viruses, protozoa and spores.
• Organic Pollutants – Pesticides, phenols, complex organic molecules.
• Colours, Odours & Taste – Unpleasant smell, colour, taste in drinking water, such as MIB and Geosmin.
• Heavy Metals – Iron, Magnesium, and other heavy metals.
• Disinfectants By Products(DBP) – Micropollutants, and pharmaceutical residues. 

Benefits of Ozone in Water Treatment

Ozonation in water treatment is efficient, economic at scale, and environmentally friendly.

• Most Powerful Oxidising Agent : Offers faster and more efficient disinfection. Ozone’s oxidation potential surpasses chlorine, chlorine dioxide, and hydrogen peroxide.
• Chemical-Free & Residue-Free : No chemical storage or generation of by-products. 
• Improved Water Quality : In drinking water, Ozone improves flocculation, breaks down odour and taste-causing compounds and disinfection by-products. It can also be used to reduce the TOC burden of tertiary treated water and target difficult-to-treat “emerging contaminants and pathogens”
• Faster Treatment Cycles : Reacts instantly, reducing required contact time and improving productivity across industrial processes.
• Cost-Effective : Reduces chemical procurement and eliminates handling risks.
• Safe for High-Purity Water Systems : Electrolytic ozone is ideal for sanitising Purified Water (PW), Ultra-Pure Water (UPW), and Water for Injection (WFI) loops.

Industries that use Ozone for Water Treatment

• Municipal Water Treatment

In municipal systems, Ozone improves flocculation, breaks down odour and taste-causing compounds and disinfection by-products and even reduces the TOC burden of tertiary treated water when combined with other technologies.

• Food & Beverage Processing

The ozonator for water treatment plants is used for CIP sanitisation, bottling lines, and improving product shelf life through efficient disinfection.

• Pharmaceutical & Healthcare

Ozone generator water treatment is crucial for PW/UPW/WFI sanitisation.

• Hospitality & Commercial Facilities

Used in cooling towers, laundry systems, and swimming pools to reduce chemical load and maintain hygiene across the facility with commercial ozone water treatment systems..

• Agriculture & Irrigation

Ozonation system for water treatment enhances Water Quality for Irrigation and Reduces Pesticide Residues on Fresh Produce.

Conclusion

Ozone in water treatment is a high-performance, sustainable, and future-ready solution. It addresses modern water-related challenges effectively. It can disinfect quickly, without leaving any complex contaminants. This makes ozone for water treatment an essential choice across various industries. This helps in improving overall water quality by utilising ozone disinfection water treatment solutions.

Whether you’re looking for water treatment solutions, such as optimising industrial wastewater treatment or enhancing drinking water quality, ozone is a great option. Otsil offers the best industrial ozone generators for water treatment, delivering reliability, efficiency, and scalability.

To explore how ozone systems can support your water treatment needs, let the OTSIL team guide you.