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Introduction for Ozone Application and Function

Ozone, an allotrope of oxygen, is an unstable gas with fishy smell. The standard electrode potential of ozone is higher than oxygen, chlorine, chlorine dioxide, potassium permanganate and other oxidant, so its oxidizability is the strongest among common oxidant.

Ozone is a broad-spectrum, high efficient and fast bactericide, which can quickly kill a variety of bacteria, viruses and microorganisms. Excess ozone can be decomposed into oxygen without secondary pollution and harm to human body.

As oxidant, disinfectant, cleaning agent and catalyst, ozone has been widely used in municipal water treatment, flue gas treatment, fine chemical oxidation, food and beverage industry, swimming pool disinfection, space disinfection, preservation, paper-making industry, packaging film, aquaculture industry and semiconductor cleaning, etc.

Ozone could remove toxic substances in the water, such as metal ions, organic toxicant, cyanide, sulfide and a variety of pesticides so that it can reduce the organic carcinogen in the water, such as halohydrocarbons,  thus solving the problem of quality of drinking water. Ozone also can be used for fresh-keeping. It can effectively inhibit the respiration of fruit trees, slow down the metabolic process and inhibit the growth and spread of pathogenic bacteria, thereby play a important role in fresh-keeping and storage.

Main Features of Ozone

1. Sterilization: ozone is gas status with good diffusion, no dead angle and uniform distribution of concentration. Ozone can quickly and thoroughly reduce or eliminate viruses and bacteria in the air and water, especially escherichia coli, salmonella, staphylococcus aureus, hepatitis A virus, hepatitis B virus, fungi and other microbes.

2. Detoxification: with the development of human society, there may be a variety of harmful substances which exist in the living environment, such as carbon monoxide, pesticides, heavy metals, chemical fertilizer, organic matter, odour, pigment and so on. After ozone treatment, these substances will be decomposed into harmless material.

3. Bleaching: with strong oxidation, ozone can be used for bleaching of raw material processing in food, textile, laundry, paper and other industries, the final waste water of production also can be decolorized by ozone.

4. Deodorization: ozone has a strong ability of oxidation, so it can quickly and completely eliminate a variety of odor in the air or water. Ozone can be applied to the treatment of manure disposal, decolorization and deodorization of water supply and waste water, deodorization of farms and drainage props.  

5. Preservation: ozone is widely used for food fresh-keeping in developed countries of Europe, United States and Japan. It can prolong the storage period and reduce food spoilage rate, thus reduce losses and increase profits.