Three factors for the selection of the previous RO membrane filter element and 1 micron PP filter element
There are three reasons:
1. It can effectively prevent activated carbon powder from entering the RO membrane, protect the RO membrane to minimize the entry of activated carbon powder, and extend its service life.
Because before the installation of activated carbon filter core, no matter how clean we rinse it, there will be carbon powder flowing out. Before the installation of RO film, a 1 micron filter core can act as a barrier, greatly reducing the possibility of artificial pollution of RO film.
2. The accuracy of PP filter element is 1 micron, and harmful substances such as bacteria, sediment particles and water rust, which are larger than 1 micron, can be all removed. When the first 5-micron filter element loses its function, it can still play a role in protecting RO film and reducing the probability of RO film being polluted.
3. If the third pole is block compressed activated carbon, three of the five filtration is activated carbon, activated carbon filter element is reused, not only waste of resources, but also increase the cost, losing its due role outweighs the loss.
4. The second level is generally granular activated carbon, which needs to be flushed during installation, often resulting in a lot of black water, and it is easy to rinse.
If changed to compressed activated carbon black water problem can be readily solved, will not increase the third pole PP cotton burden.
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