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How should pharmaceutical factories choose suitable HEPA filters?
How should pharmaceutical factories choose suitable HEPA filters?In many domestic pharmaceutical factories, to produce stable drug quality, the pharmaceutical environment needs to be strictly controlled and processed. High-efficiency filters are often used to clean pollutants in the work area, and high-efficiency filters are very important in the working environment. Whether the cleanliness meets the standard largely determines the air quality in the clean room, which in turn directly affects the quality of pharmaceutical production. Not only foreign pharmaceutical units but also domestic pharmaceutical factories will use ventilation systems and air circulation purification systems to ensure the air quality in clean rooms when producing drugs. So how should our pharmaceutical factory choose a suitable high-efficiency filter and select a more stable high-efficiency filter model? Next, I will share with you some selection suggestions given by high-efficiency filter manufacturers to pharmaceutical units to provide reference.High-efficiency filters are widely used in pharmaceutical factories. As the terminal equipment of the purification air conditioning system of pharmaceutical factories, high-efficiency filters can effectively remove dust particles, microorganisms, and harmful gases in the air, ensuring the cleanliness and safety of pharmaceutical production. Generally speaking, the main material of high-efficiency filters in pharmaceutical factories will be H10-H1 4-level filter air filter paper, which can be used as foldable roll material and small pleated filter. Some units with special requirements require materials with temperature resistance up to 250℃. It has the characteristics of uniform fiber distribution, large dust-holding capacity, low resistance, and high strength. It is an ideal air filter material. Therefore, the selection of high-efficiency filter materials is also very important. In the clean industry, a lot of production and installation experience tells us that pharmaceutical factories can use H14 high-efficiency filters for equipment with a cleanliness level of 100, and H13 high-efficiency filters for other equipment. This is a common rule. For purification equipment configuration, some require customized ultra-high-efficiency filters U15-U17, while pharmaceutical factories with low requirements generally do not need to use this level of filters. However, to prevent filter air leakage and reduce filtration efficiency, while customizing air filters, we must also consider its sealing, including the overall air intake, air treatment, air supply, exhaust, and other links. Then, here are some reference indicators for selecting high-efficiency filters in pharmaceutical factories: 1. Resistance: The resistance of a high-efficiency filter reflects its purification capacity. Generally speaking, the smaller the resistance of the high-efficiency filter, the better the purification effect. When selecting, the matching of the filter resistance and the system resistance should be considered to avoid excessive resistance that affects the normal operation of the entire purification system. 2. Filtration efficiency: High-efficiency filters should have high filtration efficiency and can effectively remove dust particles, microorganisms, and harmful gases from the air. According to different application requirements, high-efficiency filters with different efficiencies can be selected. 3. Dust holding capacity: The dust holding capacity of a high-efficiency filter represents its service life. The larger the dust-holding capacity, the longer the filter life. When selecting, the relationship between dust holding capacity and filtration efficiency should be comprehensively considered, and a filter that can not only meet the purification requirements but also have a long service life should be selected. 4. Sealing performance: The sealing performance of a high-efficiency filter directly affects its filtration effect and service life. When selecting, attention should be paid to the sealing material, structure, and processing technology of the filter to ensure that it has good sealing performance. 5. Humidity adaptability: For pharmaceutical factories, humidity is a factor that cannot be ignored. High-efficiency filters should have good humidity adaptability and be able to maintain stable performance in different humidity environments. Generally speaking, we have this judgment when judging high-efficiency filters: the higher the filtration efficiency of the air filter, the higher the level, and the greater the resistance. Only core areas with strict particle number requirements will Consider the use of ultra-high-efficiency U-level air filters, generally, liquid tank high-efficiency filters up to U50 are more commonly installed and used in pharmaceutical factory units and 100-level equipment. The effect is relatively obvious and stable, and the selection of different units may be different. The selection and application of high-efficiency filters in pharmaceutical plants need to consider multiple factors, including filter type, performance indicators, production process requirements, purification system configuration, installation and maintenance convenience, and cost-benefit analysis. Therefore, to choose a suitable high-efficiency filter, you need to choose a pharmaceutical environment with higher requirements based on the process requirements and index parameters of your pharmaceutical factory, to ensure the cleanliness and safety of pharmaceutical production. For more information about the requirements for selecting high-efficiency filters in pharmaceutical factories, please contact us for answers. |
