Leaders in Ozone Technology
With more than 25 years of experience and over 3000 installations including some of the largest ozone systems in the world.
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OTSIL- India’s Leading Ozone Generator Manufacturing Company in India
With over 30 years of expertise and over 3000 successful installations including some of the largest in the world, Ozone Technologies and Systems India Pvt Ltd (OTSIL) is a trusted leader in Ozone Technologies in India. OTSIL backs up this experience with the world’s most reliable water and air-based ozone generators, efficient ozone mixing systems, ozone destructors, and precision ozone sensors to suit every process requirement.
OTSIL works with the world’s leading ozone experts and water treatment companies to tackle water and wastewater problems unique to India and create practical, long-term solutions for industries and municipalities.
Our Wide Range of Ozone Categories
Explore our Range Of Industrial Ozone Generators
Indizone Pharmaline Series
Pharmaline Series ensures reliable ozone performance for pharmaceutical companies, delivering high-purity output with smart monitoring, seamless integration, and low-maintenance design for critical purification processes.
Indizone CDI Series
Delivering high-concentration ozone up to 12%, the CDI Series offers reliable, cost-efficient solutions for municipal, industrial, and effluent treatment with a rugged design and unmatched performance.
Ozonia CFS Series
The Ozonia CFS series is a compact, reliable, and perfect for small to mid-sized water treatment systems, an ozone for wastewater treatment. ideal choice for industrial water and wastewater treatment
Ozonia M-series
High-performance industrial ozone generators with IGS+ and SmartO3®, delivering up to 20% higher capacity, 25% energy savings, compact design, and reliable operation for large industrial and municipal water & water water applications.
Ozonia Membrel
Ozonia Membrel ensures ultrapure water disinfection through electrolytic ozone generation, offering zero contamination, minimal maintenance, faster ROI, and uninterrupted protection for PW, HPW, and WFI systems.
Indizone Air
Delivers rapid surface and air ozone generator sterilisation with smart ozone deactivation, ensuring safe, occupation-ready spaces, along with reliable and safe sanitisation.
Sanitoz
A portable plug-and-play ozone treatment machine for rapid and effective air and surface sanitisation. It ensures complete disinfection in compact spaces within minutes, ideal for work environments.
Revolutionary ozone Installations by OTSIL
OTSIL helped chennai metrowater save and reuse 70million liters of water per day!
Be it drinking water detergents, antibiotics, cosmetics, paper, or industrial water of power
OTSIL’S expertise touches the lives of nearly every single Indian.
The world's largest swimming pool ozonation project, treating over 200 swimming pools in a single gated community (over 5 million litres of recirculating water treated every hour)
OTSIL helped reducenox in the world's largest power plant.
India's largest pharmaceutical companies trust only OTSIL for ozone-based synthesis.
OTSIL’S expertise helped ITC become India's first green paper manufacturer with the largest single ozone generator in the world.
OTSIL’S ozone generators and expertise help treat over 1 million litres of pharmaceutical process water every hour!
Have questions about our ozone systems or applications? We’re ready to assist you.
Get in TouchExplore our Ozone Applications
Water Treatment
An ozone machine (Generator) acts as a powerful tool for water treatment, disinfecting, removing heavy materials and pollutants from the water, making it filterable and safe for drinking purposes.
Water for Injection (WFI)
OTSIL’s ozonator for water treatment plants delivers reliable performance and requires minimal maintenance, providing contaminant-free water that is safe and regulatory-compliant for PW, UPW, and WFI.
Ozonolysis
Ozone treatment machines facilitate safe and efficient chemical oxidation processes, optimising reactions while minimising environmental impact.
Pulp and Paper Bleaching
Industrial ozone generator enhances pulp brightness, reduces chemical use, and provides environmentally friendly bleaching solutions for water-intensive processes while maintaining fibre quality.
Swimming Pool Water Treatment with Ozone Technology
Ozone for swimming pools ensures safe, crystal-clear water by eliminating bacteria, preventing odours, and reducing chemical use, offering an eco-friendly and low-maintenance disinfection solution for all pool types.
Discover how our ozone technology can enhance efficiency, sustainability, and safety for your operations.
Explore Solutions
OTSIL Ozone generators have been installed in over 50 countries around world.
With installations across 50+ countries. From drinking water disinfection, swimming pool treatment, colour removal, and COD reduction to advanced applications like ozonolysis and pulp bleaching, OTSIL’s expertise spans both simple and complex treatment needs. Known for the highest production efficiency and lowest power consumption, our systems deliver reliable results with reduced costs of ownership. Through innovative technologies and proprietary dosage methods, OTSIL continues to help municipalities and industries achieve safe, effective, and future-ready water and air treatment.
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Case Studies or Projects
Government Spine Institute And Kidney Hospitals , Gujarat , India
OTSIL helps reduce time between operations by improving the existing disinfection strategy in modular operation theaters.
Ozone-based Surface and Air Sanitisation of Metro Rail Coaches, Telangana, India
OTSIL helps Larsen and Toubro ramp up COVID-19 safety protocols by neutralising more than 99% of pathogens both from the surface and air within the train coaches.
Converting Sewage Water to Drinking Water, Chennai, India
OTSIL helps the Tamil Nadu Government become the first state to use tertiary-treated STP water for drinking purposes.
Design and engineering
Lab and pilot trials
Onsite technical support
Product Support
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Testimonials
Frequently Asked Questions
Ozone generators are utilised in various industries such as water treatment, pharmaceuticals, food and beverage, textiles, pulp and paper, aquaculture, pools, and other sectors that require safe, chemical-free disinfection.
Most ozone manufacturers provide corona discharge systems for industrial applications, while UV-based systems are used in smaller-scale setups or specialised processes.
Clients rely on OTSIL for its high efficiency, low power consumption, robust design, and demonstrated success across thousands of installations.
Our generators are designed with durable components, advanced cooling systems, and optimised designs to operate reliably in demanding industrial environments.
Yes, OTSIL specialises in both standard and complex projects, including high-concentration ozone and sensitive process applications.
Our unparalleled efficiency, unique technologies, and worldwide experience enable us to achieve maximum performance while minimising ozone usage.
Yes, OTSIL exports systems worldwide, with a strong presence across Asia, Africa, Europe, and the Middle East.
Yes, we offer comprehensive after-sales service, including spare parts, upgrades, preventive maintenance, and long-term technical support.
Ozone effectively eliminates bacteria, viruses, and biofilms in purified and WFI systems, ensuring the delivery of sterile water without chemical residues while complying with stringent global pharmaceutical standards.
A reliable system consists of an ozone generator, mixing and contacting systems, off-gas destructors, sensors, and safety controls for efficient and secure operation.
OTSIL systems are installed in over 50 countries, serving industries and with solutions tailored to regional and regulatory requirements.
We integrate constant monitoring, fail-safe mechanisms, and compliant dosage designs to meet Indian and international safety and quality standards.
We offer comprehensive support, including design consultation, pilot trials, installation, training, troubleshooting, and ongoing maintenance throughout the product’s lifecycle.
Yes, ozone effectively reduces Chemical Oxygen Demand (COD), colour, odour, and pathogens in industrial wastewater, making it an efficient and sustainable treatment method.
Our experts evaluate your application, water quality, and treatment goals to guide a customised, cost-efficient ozone solution. Contact us to know more.