Nanofiltration (NF) is a membrane liquid-separation technique that has many properties with reverse osmosis (RO). Unlike RO, which rejects almost all dissolved solutes, NF rejects multivalent ions ...
Nuclear sewage is not equal to nuclear waste, water, nuclear sewage is more harmful, including tritium, including 64 kinds of nuclear radioactive substances. After nuclear contaminate...
Is the multi-stage filter element safer?
In fact, the level of filtration has nothing to do with the quality of the filtered water! Some low-end water purifiers will also be equipped with 4 or 5 fi...
HID Membrane Co., Ltd. has been focusing on manufacturing and R&D of RO water treatment products for over 11 years. Its products include Residential & Commercial RO Membrane, Industrial RO ...
1. What is the PRE-FILTERS in the RO water system?
The 5-stages water purifier generally has a pre-filter filter system, RO membrane, and post-filter system. The pre-filters are usu...
Water that contains a high amount of dissolved minerals is considered “hard”. It is often the result of ground water collecting calcium and magnesium as it rises through limestone. The higher the m...