Ultrafiltration Filter System

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Shanghai Runlan Filtration Equipment Co., Ltd

Shanghai, China

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Ultrafiltration is a pressurized membrane separation technology in which small molecular solutes and solvents are allowed to pass through a special membrane with a specific pore size while large molecular solutes are prevented from passing through and remain on one side of the membrane, resulting in the partial purification of macromolecular substances. Ultrafiltration is one of the membrane separation processes based on pressure. The membrane pore size ranges from 20 to 1000 A ° to separate large molecules from tiny molecules. Hollow fiber ultrafiltration (membrane) has the advantages of high filling density per unit container and a small footprint.
Ultrafiltration is a pressurized membrane separation technology that, under certain conditions, allows small molecule solutes and solvents to pass through a specific aperture of a special thin film while preventing macromolecular solutes from passing through, causing the macromolecular material to be purified. Ultrafiltration is one type of membrane separation technology that uses pressure as a driving factor. Membrane pores ranging from 20 to 1000 A° are used for macromolecular and small molecule separation. The following fiber ultrafiltration filter (membrane) has a high filling density per unit container, a small occupation area, and so on.
During the ultrafiltration process, aqueous solution flows across the membrane surface under pressure. The solvent (water) and tiny molecule solutes smaller than the membrane pores permeate the membrane and form purification liquid (filtrate). The solutes bigger than the membrane pores and the solute collective It is intercepted and released with the water flow, forming a concentrated liquid. The ultrafiltration process is dynamic filtration, with separation occurring under flow conditions. Solutes are only deposited to a limited amount on the membrane surface, and the ultrafiltration rate decays and eventually reaches equilibrium, which can be restored through cleaning.
In the ultrafiltration process, an aqueous solution flows through the membrane surface, propelled by pressure. Smaller than the solvent (water) of the film aperture and tiny molecule solute penetrates the membrane to become purged liquor (filter clogging liquid), while bigger than the film aperture of solute and solute group is intercepted, resulting in concentrated liquor with flow discharge. The ultrafiltration method is dynamic filtration, meaning that separation occurs while the fluid is flowing. The solute on the membrane surface has only a limited deposition. When dampening to a certain level, the U ultrafiltration rate tends to balance, and cleaning can restore it.