Development of the laundry ozone generator

The term "ozone" became known mainly due to press reports about the destruction of the atmospheric ozone layer by HCFCs or other pollutants, creating a hole in the ozone layer. Today, ozone can be synthesized for beneficial applications and is becoming more widely known. However, the time between the identification of ozone as a new chemical and the development of the equipment to produce the compound in large quantities was only two or three hundred years. So let's take a closer look at the development of the laundry ozone generator.

Here is the content list:

• The discovery of ozone (late 18th to mid-19th century) and the initial development of the laundry ozone generator (mid-19th to mid-20th century).

• Development of the laundry ozone generator (late 20th century to the present).

The discovery of ozone (late 18th to mid-19th century) and the initial development of the laundry ozone generator (mid-19th to mid-20th century).

In 1785 the German physicist Van Marum and in 1801 Cruikshank discovered that a special smell was produced during their experiments. It was not until 1840 that the Dutch scientist Schonbein, who smelled the same odor during electrolysis and spark discharge tests as after lightning, concluded that this was the odor of a new substance and named it "Ozone". In 1857, VonSiemens developed the ozone generator tube, which became the prototype for the widely used ozone laundry system and greatly contributed to the development of ozone technology. Since then, Hollman, Bertholet, Jahn, and many other scientists have studied the thermochemical properties of ozone and tried to design a laundry ozone generator using a thermal process, but the idea failed because ozone decomposes rapidly at high temperatures. Hutefeuille and Chappuis obtained high concentrations of ozone at very low temperatures by Hautefeuille and Chappuis obtained high concentrations of ozone by discharging oxygen at very low temperatures. This was because low temperatures had a significant effect on ozone stability and attention was paid to the process of generating ozone at low temperatures.

Development of the laundry ozone generator (late 20th century to the present).

In the 1970s, the United States, France, Japan, and other countries developed medium frequency, high-frequency laundry ozone generators, with ozone generation rates also from 30 ~ 50g / m to 200g / m above. China began to develop laundry ozone generators more than 30 years ago, there are also hundreds of units using ozone products for sewage treatment, drinking water treatment and disinfection, medical hygiene, household disinfection, and purification, and food processing sterilization, and purification. However, the scale of these production units is generally small, concentrated in Beijing, Shanghai, Shandong, Liaoning, Jiangsu, Guangdong, etc. There is still a big gap between the technical level, application scope, and efficiency of the whole machine compared with developed countries.

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