Ozone, a natural substance existing on the earth, is widely known for the existence of the ozone layer in the atmosphere. Ozone is a strong oxidant and broad-spectrum high-efficiency bactericide, with a unique fishy odor.
In 1785, when the Germans were using the motor, they found that a peculiar smell was produced when the motor was discharged. In 1840, German scientist Schonbein identified this odor as O3 and named it OZONE (ozone). Since then, European scientists have taken the lead in researching the properties and functions of ozone, and after discovering the broad-spectrum sterilization effect, they have begun industrial production applications. Among them, a Swedish beef company has used ozone to preserve the freshness of beef storage. Since 1870, it has been Still in use. In the 19th century, people recognized the strong oxidizing effect of ozone, and found that ozone has an oxidizing effect on wood, straw, starch, plant pigments, natural rubber, fat, animal and vegetable oils and alcohol. In 1868, de Gebeth obtained the first patent for ozone application technology, which uses ozone to oxidize coal tar mixtures into products suitable for coatings and paints. In 1873, Europe put ozone into use in sugar refining and flax bleaching. Over the past 100 years, ozone has been applied in many fields and has made significant contributions to the development of human production technology. The application of ozone is divided into four fields: water quality treatment, chemical oxidation, food processing and preservation, and medical treatment. The application research and equipment development in each field have reached a very high level. The world has formed an independent ozone technology industry and sector, and the International Ozone Association (IOA) established in 1973 is located in Canada. The association holds an international conference every two years to exchange papers and reports on the development of ozone technology in various countries. Developed countries have generally established IOA regional organizations for academic exchanges. After World War II, the international ozone application technology has made great progress. First of all, in 1902, Paderborn, Germany established the first large-scale water plant to treat water quality with ozone, creating a precedent for ozone water treatment. Now there are thousands of ozone water plants in Europe, America, Japan, Canada, etc. The application of ozone in the water plants of the country has reached a popular level. Almost all mineral water and purified water manufacturers are equipped with ozone equipment. In the early 1970s, the United States began to use ozone to treat domestic sewage, mainly for sterilization, removal of pollutants, and decolorization to meet emission standards. In Japan, in water-deficient areas, the sewage is treated with ozone and used as reclaimed water. The United States, Japan, Germany, France and other countries have established large-scale ozone sewage treatment plants in recent years. Secondly, the industrial application of ozone has also been very common, mainly used in chemical, petroleum, paper, textile and pharmaceutical, and perfume industries. The application in the food industry is more popular. In 1904, Europe used ozone to preserve milk, meat products, cheese, protein and other foods. In the late 1930s, 80% of refrigerated egg warehouses in the United States were equipped with ozone generators. After World War II, Europe, the United States, and Japan applied ozone to storage, manufacturing, and transportation in the preservation of food, fruits, and vegetables. In terms of medical treatment, Japan used ozone for human physiotherapy during World War II, and Russia used it for strong gas (ozonated air) sports applications. At present, there are many international uses in medical treatment: such as air disinfection in wards and operating rooms, using ozone water for medical equipment disinfection, using ozone for dental disease treatment (oral surgery and maintaining oral sterility), using ozone and radiation Physiotherapy combined to treat cancer, drinking ozone water to treat women's disease, injecting ozone gas to treat fistula hemorrhoids, varicose veins, etc. In terms of health care, it is popular in Japan and Taiwan to inhale strong air (air containing low concentration of ozone) to strengthen the body, and use ozonized water to shower the body to kill bacteria and beautify.
