2026-04-10Views：
The requirements of the fermentation industry for air sterility are mainly reflected in the following aspects:
air cleanliness requirements: during the fermentation process, in order to prevent the compressed air from causing pollution to the fermentation liquid, there is a clear cleanliness standard for the air entering the fermentation tank. In general, the air must meet specific purification standards, such as the number of particles ≥ 0.5 μm per cubic foot of air should not exceed a certain number (e. g., 100). Such standards help ensure air quality and prevent microbial contamination.
Aseptic environment maintenance: During the fermentation process, it is necessary to maintain the aseptic environment. This includes regular cleaning and disinfection of the operating area, ensuring that the area is free of debris and stains, and maintaining positive pressure and sterility through a special air purification system.
Operator hygiene requirements: The health status and hygiene habits of the operator are essential to maintain a sterile environment. Operators need to ensure that they are in good health, have no history of infectious diseases, and wash their hands and disinfect adequately before entering the sterile operating area. They also need to wear clean protective clothing and shoe covers to reduce the introduction of microorganisms.
Aseptic operation specification: in the fermentation process, all the operating tools, reagents and media and other items must be strictly disinfected and sterilized. At the same time, aseptic operation should be carried out on a special aseptic operation table, and the operation area should be kept clean and tidy to avoid the pollution of dust in the air.
In summary, the fermentation industry has many requirements for the degree of air sterility, including the cleanliness of the air, the maintenance of the sterile environment, the hygiene of the operators, and the specifications of the aseptic operation. These requirements together ensure the smooth progress of the fermentation process and prevent microbial contamination, thereby ensuring the quality and safety of the product.
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