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Wenzhou Yuanao Fluid Equipment Technology Co., Ltd
Process principle and application of sanitary grade microporous filter
Date: 2025-08-21Read: 5
The process principle and application of sanitary grade microporous filters are mainly reflected in the following aspects:
1、 Process principle
1. Mechanical interception mechanism
Through the physical sieving effect of microporous membranes, particles, bacteria, and viruses larger than the pore size can be directly intercepted. Its pore size range is usually 0.1-10 μ m, which can effectively remove microorganisms and large particle impurities.
2. Auxiliary interception mechanism
Adsorption retention: Utilizing the surface charge characteristics of the filter membrane to adsorb charged particles, even if the particles are smaller than the pore size, they can still be retained.
Bridge interception: Multiple particles form a chain like structure on the surface of the filter membrane, blocking the microporous channels.
Inertial interception: Particles in the fluid are captured due to momentum inertia colliding with the surface of the filter membrane.
2、 Application Fields
1. Medical and Pharmaceutical
Used for preparing sterile injections, infusions, and biologics, ensuring no bacterial or viral contamination and complying with GMP standards.
2. Food and Beverage
Purifying dairy products, beverages, and additives to extend shelf life and ensure food safety.
3. Water treatment
Combined with other filtration technologies such as ultrafiltration and reverse osmosis, it can remove suspended solids and microorganisms in water and improve water purity.
3、 Technical advantages
1. Efficient purification: The microporous structure can stably intercept particles larger than 0.1 μ m, with high filtration accuracy.
2. Modular design: supports quick installation and membrane replacement, reducing downtime.
3. Strong compatibility: Suitable for filtering needs of liquids, gases, and high viscosity media.
