The breeding of bacteria does pose a threat to people's daily lives, especially in the fields of food safety, public health and medical health.
As a strong oxidant, ozone has a high disinfection effect and can effectively kill many bacteria. The following is a detailed introduction of
how to use ozone to kill bacteria:
Generation of ozone:
Ozone (O3) is a strong oxidant. In nature, ozone mainly exists in the ozone layer and the atmosphere. In laboratory and industrial production,
ozone can be produced through special equipment (ozone generator). Ozone generators are usually obtained by high-voltage discharge, corona discharge, photochemistry, electrochemistry, atomic radiation and other methods. Among these methods, high-voltage discharge is the most commonly used, which converts oxygen into ozone under specific conditions.
Sterilization principle of ozone:
The bactericidal effect of ozone mainly comes from its strong oxidation. When ozone comes into contact with bacteria, it can destroy the cell
walls and membranes of bacteria, making them lose their ability to grow and reproduce. This is because ozone can react with the lipids on the
bacterial cell membrane, resulting in the rupture of the cell membrane. In addition, ozone can directly react with bacterial DNA or RNA, causing
its damage and fracture, thus killing bacteria. These reactions make biological macromolecules of bacteria lose their function through oxidation
and nitrification.
Sterilization application of ozone:
Ozone has a broad spectrum in sterilization applications and can kill a variety of microorganisms such as bacteria, viruses and fungi. In homes,
public places, hospitals, schools and other places, ozone generators can be used to disinfect air, water, food, tableware, etc. For example, in water
treatment, ozone can effectively remove organic substances and microorganisms in water to ensure water quality safety. In air purification, ozone
can remove viruses and bacteria in the air and improve indoor air quality.
Precautions when using ozone:
Although ozone has an efficient sterilization effect, it also has potential harm to the human body. Therefore, when using ozone for sterilization,
t is necessary to ensure good indoor ventilation and avoid long-term exposure to high concentrations of ozone. This is because high concentrations of
ozone can cause irritation and damage to the respiratory
ract, eyes and other organs of the human body. In addition, ozone cannot replace professional medical disinfectants. For sensitive parts such as wounds,
professional disinfectants need to be used for treatment.
Summary:
As a strong oxidant, ozone is widely used in the field of sterilization and disinfection. Ozone can effectively kill a variety of microorganisms by destroying
bacterial cell walls and cell membranes, as well as directly damaging bacterial DNA or RNA
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