Ozone or trioxygen (0₃) is an inorganic molecule consisting of three oxygen atoms. It is widely regarded as a powerful oxidant (approximately 3000 x more powerful than chlorine) and has long been used in commercial and industrial applications to disinfect water, air, and surfaces.  

In nature, ozone is formed during storms when lightning strikes oxygen (0₂) molecules. The molecule splits into two atoms which recombine with another oxygen molecule to form ozone. The formation of ozone in this manner creates the fresh rain smell commonly associated with storms. The same scent is discernible when our ozone generators are in use. 

Ozone is also created in nature when the sun’s UV rays strike and break up oxygen molecules. This typically occurs in the earth’s stratosphere and forms the ozone layer which protects earth from ultraviolet radiation. 

Oxyzone International’s ozone generators produce ozone in much the same way that it is produced in nature. In our range of corona discharge generators, oxygen enhanced air, dry air or ambient air passes through a small space between high voltage plates, one of which is earthed. The plates create a corona discharge which breaks apart the oxygen. This in turn recombines to form ozone. 

In our UV ozone generators, the sun’s UV rays are replicated through the use of UV lamps. The lamps emit wavelengths (typically between 185-195 nanometers) which break up oxygen atoms into ozone.  

Oxyzone International also manufactures systems that deliver ozone directly into water. Depending on the requirements, ozone can be transferred into water either by venturi or diffusion. 

Venturi injectors work by forcing water through a conical body, creating a pressure differential between the inlet and outlet ports. This creates a vacuum, resulting in rapid ozone suction through a suction port. Venturi systems are typically used where small volumes of water are involved and precise dosages must be maintained such as in water bottling. 

In diffusion, diffusers inject ozone into water through a membrane, creating many small bubbles in the water. As the ozone bubble rises, the gas at the bubble’s edge transfers into the water. Diffusers are typically used when long term, passive contact is required such as in water treatment. 

The third oxygen atom of ozone is unstable, so it readily attaches itself to other molecules. When ozone comes into contact with pathogens such as bacteria, viruses and fungi (which can cause disease, odours and mould) it quickly oxidises and breaks down their chemical structure, rendering them inactive. 

Ozone has a short half-life so it decomposes back into oxygen within a short space of time and in most instances leaves behind little if any residue. Coupled with its potent oxidising qualities, this characteristic makes ozone an attractive option for those who would prefer to reduce or replace harsh disinfectants where possible. 

Ozone can be used across a wide variety of industries and applications. Oxyzone International’s products are geared primarily towards the following:

• Hospitality and events facilities including:

– Hotels, motels, clubs and bars 

– Caravan and holiday parks 

– Gyms 

• Commercial industries including: 

– Food processing and storage

– Fire, flood and trauma remediation 

– The funeral industry 

– Commercial cleaning 

• Horticulture and farming including:

– Fruit and vegetable cleaning and storage

– Wholesale and retail flower storage 

– Mushroom farming

– Aquaculture, aquaponics and hydroponics 

– Fodder production and grain storage 

• Water and wastewater processing including:

– Rural water supplies and wastewater processing 

– Bottled water

– Car and truck washing 

– Cooling towers 

– Wineries 

Mining:

– Mining gear and equipment 

Ozone was first discovered in 1839 so much is known about its properties, uses and risks. Like many products in industrial and commercial applications, it is important to be aware of the characteristics of ozone and only use it as directed within the recommended parameters. 

Characteristics: 

• Ozone is a colourless/ blue gas characterised by a pungent odour detectable at 0.01 to 0.04ppm. A sharp odour can be detected at 1.0ppm
• The allowable exposure is 0.1ppm peak limitation
• Ozone is classed as a hazardous substance 

Most common, known health risks (including but not limited to): 

• Eyes: mild irritation and inflammation
• Counter measure: avoid contact with eyes and flush eyes with warm water 

• Skin: contact with skin is unlikely as ozone is a gas 
• Counter measure: avoid contact with skin. Should skin irritation occur, wash with warm, soapy water 

• Inhalation: inhalation can cause respiratory irritation, laboured breathing, coughing, headaches, fatigue and lung injury. Long term exposure may result in chronic respiratory disease
• Counter measures: avoid inhalation. Wear appropriate respiratory equipment if ventilation is insufficient in areas of high exposure. Should symptoms manifest, move to fresh air, rest and administer oxygen if necessary 

In all instances, if symptoms do not improve, seek immediate professional medical attention.

Individuals who have underlying health conditions; those who may be classed as ‘vulnerable’ to the effects of breathing ozone due to age etc.; or who suffer from pre-existing respiratory conditions such as asthma and chronic obstructive pulmonary disease should avoid contact with ozone.

This does not constitute an exhaustive list of potential health risks and caution should be practiced at all times. In all instances, do not rely on personal awareness of ozone and use ozone monitors to ensure ozone levels do not exceed allowable limits. Ozone can also be hazardous to animals and plants above concentrations of approximately 0.1ppm. As such, exposure should be avoided.  

Disclaimer: Oxyzone International provides this information in good faith but makes no claim as to its comprehensiveness or accuracy. It is intended solely as a guide for the safe handling of the product by professionally trained personnel, and makes no representations or warranties, express or implied, of the fitness of any product for any purpose. Oxyzone International will not be held responsible for any damages resulting from the use of, or reliance upon this information. 

• Ozone may accelerate existing fire 
• Counter measures: if possible, stop the flow of gas and use appropriate firefighting media. Firefighters should wear self-contained breathing apparatus 

Accidental release:

Ozone is generated at the point of use and rapidly decays into oxygen. As such, it cannot be stored and is not subject to accidental release. 

Handling and storage: 

Use only in well ventilated and/ or monitored areas. Ozone is generated at the point of use and rapidly decays into oxygen. As such it cannot be stored. 

Exposure controls: 

• TWA 0.1ppm peak limitation 
• Protective equipment is not required if TWA is not exceeded
• Use full face respiratory apparatus in areas of high exposure