Advantages and disadvantages of ultrafiltration technology

Ultrafiltration is one of the membrane separation technologies driven by pressure. For the purpose of separating macromolecules from small molecules, the pore diameter of the membrane is between 20-1000A °.

Advantages and disadvantages of ultrafiltration technology

Compared with traditional separation methods, ultrafiltration technology has the following characteristics:

1. The filtration process is carried out at room temperature under mild conditions without component damage, so it is particularly suitable for the separation, classification, concentration and enrichment of heat sensitive substances, such as drugs, enzymes and fruit juice.

2. The filtration process has no phase change, no heating, low energy consumption, no need to add chemical reagents and no pollution. It is an energy-saving and environment-friendly separation technology.

3. Ultrafiltration technology has high separation efficiency and is very effective for the recovery of trace components in dilute solution and the concentration of low concentration solution.

4. The ultrafiltration process only uses pressure as the power of membrane separation, so the separation device is simple, the process is short, the operation is simple, and it is easy to control and maintain.

5. Ultrafiltration method also has certain limitations. It can not directly obtain dry powder preparation. For protein solution, generally only 10 ~ 50% concentration can be obtained.

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