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What are the characteristics of high efficiency filter?

High efficiency filter has the following characteristics:

1. High filtration accuracy: the removal rate of suspended solids in water can reach more than 95%, and the impurities such as macromolecular organics, viruses, bacteria, colloids and iron can be removed to a certain extent. The treated water after good coagulation treatment, when the influent is 10NTU, the effluent is less than 1ntu;

2. Fast filtration speed: generally 40m / h, up to 60m / h, more than 3 times of ordinary sand filter;

3. Large capacity: generally 15-35kg / m3, more than 4 times of ordinary sand filter;

4. The water consumption rate of backwashing is low: the water consumption of backwashing is less than 1-2% of that of periodic filtration;

5. Low dosage and low operation cost: due to the characteristics of filter bed structure and filter material, the dosage of flocculant is 1 / 2 ~ 1 / 3 of conventional technology. With the increase of periodic water production, the operating cost per ton of water will be reduced;

6. Small floor area: the same amount of water is produced, and the floor area is less than 1 / 3 of the common sand filter;

7. Adjustable. The parameters such as filtration precision, interception capacity and filtration resistance can be adjusted according to the needs;

8. The filter material is durable and has a service life of more than 20 years.


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