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1, Summarize
The ultrafiltration device is a pressurized membrane separation technology, that is, in a certain pressure, small molecules to solute and solvent through certain tailor-made thin film aperture, and make the macromolecules in film, not through the solute the side to get macromolecular substances, part of the purification.
Ultrafiltration (UF) device is a kind of advanced membrane separation technology, material liquid containing solvents and all sorts of small solute material liquid from high voltage side through filtration membrane to low voltage side, and get through the liquid or called the filtrate; The ultrafiltration membrane microporous 0.01 microns (million one hundred thousandth of a millimeter) the following, can effectively remove the water particles, colloid, bacteria, heat source and organic material resources, and under the action of than size film aperture solute molecules are film intercept into concentrate.
2, Basic principle
The basic principle is in normal temperature to certain pressure and flow, the use of asymmetric microporous structure and semipermeable membrane medium, rely on the pressure on both sides of the film as a driving force, to poor wrong way, make filtering flow solvent and small molecules through macromolecular substances, such as protein particles and, water-soluble polymer, bacteria, and be the membrane filter resistance leave, so as to achieve the separation, purification and enrichment purpose grading, a new type of membrane separation technology.
Ultrafiltration belong to pressure the membrane separation process, driven model ultrafiltration membrane separation range for the relative molecular mass 500 1 million macromolecular substances and colloid characteristics, corresponding to the diameter of the particles for 0.005-0.1 u m.
3, scope
3.1 the pretreatment of the reverse osmosis water supply, high efficiency and compact ultrafiltration for filtering precision is high, can for reverse osmosis membrane provide the maximum protection.
Drinking water depth of 3.2 large and medium-sized processing.
3.3 municipal and industrial wastewater treatment: ultrafiltration than traditional process provide better treatment effect, water, wastewater reuse realize.
3.4 circulation row sewage reuse purification treatment.
3.5 in sewage useful material of the recovery.
3.6 the preparation of mineral water, drinking water, well water, remove the water off bacteria processing all kinds of suspended solids, colloid impurities, especially remove cryptosporidium, BianMaoChong, escherichia coli and pathogenic microorganisms.
3.7 oral liquid, and biological products in addition to bacteria, clarification, separation and purification.
3.8 high pure water terminal handling.
3.9 juice, protein, enzyme preparation the concentration of the separation.