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What is the main use of an air filter in a bioprocess?

Answer and explanation

Correct answer: To remove microbes from incoming air

The governing concept is aseptic processing and contamination prevention. Aerobic cultures require air, but untreated incoming air can carry bacteria, fungal spores or other unwanted organisms. A suitable air filter removes or retains these contaminants before the air enters the fermenter, helping maintain a sterile or low-contamination environment. Therefore option C is correct. The filter does not sweeten the medium, freeze the product or colour the vessel. Sterile air is especially important when the desired production organism must grow without competition and when the product must meet quality and safety requirements. Filtration supports sterility, although it works together with sanitation, sterilisation and controlled operation.

Related tags

BiotechnologyBioprocess EngineeringAir FiltrationContamination ControlPrinciples Of BiotechnologyClass 11 Mcq

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