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纳滤设备优点:
Membrane structure is most multilayer loose structure
Compared with the reverse osmosis, even in high salinity and low pressure condition also have higher permeability flux
Because the inorganic salt can through the nanofiltration membrane and dialysis, making the nanofiltration osmotic pressure than reverse osmosis low, so that, in order to ensure a membrane flux, under the premise of nanofiltration needed for the process and pressure than reverse osmosis much lower. And in the same pressure, nanofiltration membrane flux than the reverse osmosis. In addition, nanofiltration can make the concentration and the process of desalting synchronously, so use nanofiltration instead of reverse osmosis, enrichment process can quickly and effectively, and achieve greater enrichment ratio. Because have more features, making the nanofiltration membrane can also built desalination and enrichment and have a fairly high processing speed: with nanofiltration membrane to antibiotics, GeChengYao concentration has no damage to normal temperature, low cost, high yield characteristics.
纳滤设备(装置)介绍:
In the early eighty s, American scientists study a thin layer compound membrane, it can make 90% NaCl dialysis, and 99% sucrose interception. And, apparently, the film can neither call it reverse osmosis membrane (because not intercept inorganic salt), also do not belong to