Ultrafiltration Membrane

Ultra filtration membrane material is PVDF polymeric hollow fibers for high strength and chemical resistance. Hydrophilic PVDF fibers for easy cleaning and wettability to help maintain long-term performance. Outside-in flow configuration for high tolerance to feed solids and the use of air scour cleaning.

Ultra filtration membrane filter has the ability to remove rust, sediment, colloid, bacteria, virus, and small particles from tap water, up to an impressive 99.9% reduction rate. Furthermore, it retains beneficial trace mineral elements, making the filtered water both safe and healthy.

Ultrafiltration (UF) is a variety of membrane filtration in which forces such as pressure or concentration gradients lead to a separation through a semipermeable membrane. Suspended solids and solutes of high molecular weight are retained in the so-called retentate, while water and low molecular weight solutes pass through the membrane in the permeate (filtrate). This separation process is used in industry and research for purifying and concentrating macromolecular (103–106 Da) solutions, especially protein solutions.

Ultrafiltration is not fundamentally different from microfiltration. Both of these are separate based on size exclusion or particle capture. It is fundamentally different from membrane gas separation, which separate based on different amounts of absorption and different rates of diffusion. Ultrafiltration membranes are defined by the molecular weight cut-off (MWCO) of the membrane used. Ultrafiltration is applied in cross-flow or dead-end mode.

Industries such as chemical and pharmaceutical manufacturing, food and beverage processing, and waste water treatment, employ ultrafiltration in order to recycle flow or add value to later products. Blood dialysis also utilizes ultrafiltration.

• Filtration of effluent from paper pulp mill
• Cheese manufacture
• Removal of some bacteria from milk
• Process and waste water treatment
• Enzyme recovery
• Fruit juice concentration and clarification
• Dialysis and other blood treatments
• Desalting and solvent-exchange of proteins (via diafiltration)
• Laboratory grade manufacturing
• Radiocarbon dating of bone collagen

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