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Traditional water treatment of ultrafiltration equipment
1、 New membrane module
The new membrane module is filled with glycerin and sodium bisulfite protection solution, which should be fully washed before use. The new module should be kept in the original package until it is installed and used. The components should be stored horizontally in a place with a temperature of 10-30 ° C and a temperature below 70%, away from direct sunlight.
2、 Used membrane module
The used membrane components should be cleaned before storage, and the protective liquid should be prepared according to the following drug proportion.
After soaking in fresh water for 6 months, the ratio of sodium bisulfite to sodium bisulfite was 1:20. The protection of membrane module can be kept at zhennanguan of the system. After dosing, all valves can be closed. The membrane module can also be removed from the system and added with protective liquid for sealing. The storage conditions are the same as those of new membrane. After storage, the membrane module should be emptied of protective liquid and washed with water before putting into use. Water treatment equipment, ultrafiltration equipment, water purification equipment.
Note: the ultrafiltration membrane module must not be dehydrated at any time. Once the membrane module is dehydrated and dried, the permeate flux of the membrane will decline irreversibly and cannot be recovered.
The differences of traditional water treatment methods are as follows:
If the water quality is treated according to the traditional water treatment method, it can not reach the standard we need. Compared with the traditional way, the characteristics of ultrafiltration technology, taking ultrafiltration membrane as the core product, using the interception capacity of porous materials, can remove certain large and small impurity particles in water by physical interception. Ultrafiltration equipment, water purification equipment, water treatment equipment.
3、 Compared with traditional separation methods, ultrafiltration has the following characteristics:
1. The process of filtration is carried out at room temperature, and the conditions are mild and there is no component damage. Therefore, it is particularly suitable for the separation, classification, concentration and enrichment of heat sensitive substances, such as drugs, enzymes, juice, etc.
2. 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.
3. The filtration process has no phase change, no heating, low energy consumption, no chemical reagent and no pollution. It is an energy-saving and environmental protection separation technology.
4. Ultrafiltration technology has high separation efficiency, which is very effective for recovery of trace components in dilute solution and concentration of low concentration solution. Separation can replace natural sedimentation, plate and frame filtration, vacuum drum, centrifugal separation, solvent extraction, resin purification, activated carbon decolorization, etc. The process is operated at normal temperature without phase change and secondary pollution.
July 03, 2023
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