Ultrafiltration Membranes

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Ultrafiltration Membranes


Ultrafiltration (UF) occurs whereby hydrostatic pressure forces a liquid against a semi-permeable membrane, often utilising cross-flow membrane filtration. Water and low molecular weight solutes permeate through the membrane, whilst suspended solids and solutes of high molecular weight remain excluded. UF membranes are typically classified by their ability to retain solutes of specific size, with Molecular Weight Cut-Offs (MWCO) ranging from 200,000 daltons (or atomic mass units, amu) down to <1000 Da.

Ultrafiltration Membranes

How is Ultrafiltration used?

Ultrafiltration is used in a range of applications involving chemical, pharmaceutical, food and beverage processing, waste water treatment, and other industries. UF can be employed to aid in flow recycling or to add value to products. A major attraction of UF is the ability to purify, separate, and concentrate target macromolecules in continuous systems. This is achieved by pressurizing the solution flow, which is tangential to the surface of the supported membrane (cross-flow filtration).

The solvent and other dissolved components that pass through the membrane are known as permeate; components that do not pass through the membrane are known as concentrate. Depending on the MWCO of the membrane used, macromolecules may be purified, separated or concentrated in either the permeate or in the retentate.

Our Wastewater Treatment Applications

Here at Esmil we provide Wastewater Treatment Applications and product recovery processes across a range of industrial sectors. Our general approach to wastewater treatment will combine conventional physico-chemical treatment processes with advanced proven membrane technology. View our Wastewater Treatment Applications online.

Contact us for our for Ultrafiltration Services

For more information regarding Ultrafiltration contact our specialists today. Call us direct on 01494 526 155 or fill out our online enquiry form and we'll get back to you.



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