​Ozone sterilization for bottle water treatment

Ozone sterilization for bottle water treatment

Ozone is one of the most powerful oxidants available for potable water disinfection and has been used in this role since the late 1890s. It has been the disinfectant of choice in the majority of European and Canadian water plants since the 1940's, due to its oxidation properties, lack of residual, and its taste and odor control abilities when properly applied. 

Ozone is one of the strongest commercially available oxidizers, making it popular as a primary disinfectant of bottle water. Recent changes in legislature and industry guidelines have increased the need for ozone in the beverage industry in general. In bottled water plants, ozone can be used to disinfect product water to comply with International Bottled Water Association (IBWA) guidelines while leaving no residual taste or odor. At beverage plants, ozone can reduce or eliminate the need for chemical or high temperature disinfection processes , reducing downtime and chemical costs. The effectiveness and cost benefits of ozone for these uses is proven in many locations throughout the world.


· Ozone is far superior to any other cleaning method because of its high oxidation power.

· Use of ozone allows for lower operating costs. Ozone reduces overall chemical costs, discharge assessments and plant downtime.

· With ozone disinfection, each cleaning program is the same as the previous one, translating repeatability into reliability.

· Ozone is not typically associated with by-products or contamination, and naturally reverts to oxygen, so no taste or odor is associated with its use.

· Ozone is generated on-site, so no dangerous storage or handling is required.

· The IBWA suggests a residual ozone content of 0.2 to 0.4 ppm of ozone in bottled water, providing disinfection of both the water and the bottle.

· Ozone disinfection technology has excelled in beverage applications. Generators are proven in the bottled water and beverage industry including

Pepsi and Coca-Cola plants and backed by many years of application experience.

· Higher concentration of ozone increases ozone transfer efficiency from typical 20-30% at 2-3% concentration to 75-95% at 6-14% concentration,

reduces virtually to zero an off gas and enables to dissolve ozone with a much smaller recirculation pump. Therefore ozone stays in the water and disinfects instead of being destructed or discharged out.

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