Author：Huamo Water treatment materials FROM：Water filter membrane manufacturer TIME：2021-11-26
In recent years, ultrafiltration has been widely used in the treatment of oily sewage in industrial production, the preparation of ultra-pure water systems in smart water purification plants, and cell biotechnology. It can reasonably separate, purify and purify some small water-soluble solutes and polymerizations in domestic water.
According to the division of ro uf membrane structure, it can be divided into symmetric membrane and asymmetric membrane. At present, most commonly used ro uf membrane are asymmetric encryption membranes. Located between the nanofiltration membrane and the microfiltration membrane, in the small diameter area, it overlaps with the RO reverse osmosis, and in the large diameter area, it overlaps with the microfiltration membrane. The diameter of the separated components is between 5nm~10μm, and the relative molecular mass of the biomacromolecule or colloidal solution can be intercepted between 5~50,000. In operation and application, it is found that the uf membrane module has a high water production rate during the entire process of drinking water treatment, is convenient to use, and the actual operating pressure is low. Therefore, in the water treatment market prospects, the application range is extremely wide.
(3) Microporous model: Generally, the microporous solid model is used to evaluate the permeation principle of ultrafiltration. Generally speaking, the physical model of the membrane micropores is expressed by the micropore half length, liquid viscosity and membrane length. The changes in the main parameters of the microporous solid model are harmful to the membrane properties.