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Characteristics And Application Of Hollow Fiber Ultrafiltration Membrane Filter

1. Hollow fiber ultrafiltration membrane filtration system should be sterilized regularly.

Ultrafiltration membrane can trap bacteria, but can not kill bacteria, interception rate of ultrafiltration membrane is not good for a long time to ensure that the clean area does not grow a bacterium, there may be a large number of bacteria.Direct impact through water quality, such as some mineral water products appear translucent filamentous white flocculent mold, mainly due to the system is caused by mold pollution.Therefore, periodic sterilization must be carried out on the circulating environment and filtration system regularly. The operation period of sterilization depends on the water quality of raw water supply. For urban ordinary tap water, it lasts 7 to 10 days in summer, 30 to 40 days in winter and 20 to 30 days in spring and autumn.When surface water is used as a supply source, the sterilization cycle is shorter.Sterilization drugs can be used 500 ~ 1000mg/L sodium hypochlorite solution or 1% hydrogen peroxide solution circulation flow or immersion for about half an hour.


2, hollow fiber ultrafiltration membrane core to take and put gently, and pay attention to protection, because ultrafiltration components are precision equipment, so in the use of installation should be careful, to take and put gently, not broken.If the component is out of use, rinse it with clean water first, add 0.5% formaldehyde solution to sterilize and seal it.Such as winter components should be anti-freeze treatment, otherwise the components may be scrapped.

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