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How to verify and monitor the sterility assurance level of integrated sterile water treatment equipment?

Publish Time: 2024-06-25
Integrated sterile water treatment equipment plays a key role in many fields, such as medical, pharmaceutical and food processing, and ensuring its sterility assurance level is crucial.

Verifying the sterility assurance level usually starts with the design and manufacture of the equipment. First, evaluate whether the structure of the equipment is easy to clean and disinfect, and whether there are dead corners or hard-to-reach areas that may cause microbial growth. The selected materials are reviewed to ensure that they can withstand the disinfection process and will not release harmful substances.

After the installation is completed, an initial performance verification is carried out. This includes a microbial challenge test, where a known number and type of microorganisms are introduced into the equipment, and then the residual microorganisms in the treated water are tested to determine the sterilization ability of the equipment.

Monitoring during daily operation is the key to continuously ensuring the sterility level. Water samples are collected regularly for microbial culture and testing, and the number of microorganisms is determined by methods such as plate counts. At the same time, key operating parameters such as pressure, temperature, flow, etc. are monitored, because changes in these parameters may affect the sterilization effect.

The use of online monitoring equipment, such as real-time microbial sensors or conductivity monitors, can detect abnormal changes in water quality in a timely manner. The disinfection process of the equipment should also be strictly monitored to ensure that the concentration, action time and temperature of the disinfectant meet the requirements.

It is also necessary to revalidate the equipment after regular maintenance and maintenance. Check the wear and aging of equipment components and evaluate their potential impact on the sterility assurance level.

In addition, establishing a complete quality control system and document recording system to record the operating parameters, maintenance conditions, test results, etc. of the equipment in detail will help trace and analyze possible problems.

By comprehensively applying the above-mentioned verification methods and monitoring means, it can effectively ensure that the integrated sterile water treatment equipment always maintains a reliable sterility assurance level, provide high-quality sterile water for related industries, and ensure the safety and quality of production and medical processes.
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