• th6

    Final workshop of the LIFE WIRE project “Challenges of water reuse in industries: from research to implementation”

    Water scarcity is an ever-growing reality and for this reason development of sustainable water strategies is no longer an option, but a necessity. Water reuse is a key strategy of water resources management. The use of regenerated water could reduce …

  • st21

    European Commission monitoring meeting

    Last week Cetaqua received in its headquarters the visit of the monitor of the LIFE WIRE project, Rosana Asensio. The objective of the meeting was to bring together all the project partners in order to review the progress of the …

  • th27

    New visit to the LIFE WIRE’s prototype

    The LIFE WIRE’s prototype, which is located in the WWTP of El Baix Llobregat (El Prat de Llobregat, Barcelona), has received another visit on 18th January 2017. In total, 16 people from different entities such as AMAEM, Hidraqua Valencia and Aguas …

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Membranes (UF/RO)

The progress of membrane manufacture technology and application of membrane technology has undoubtedly paved the ways to extend this technology for water reclamation. Membrane-based systems are often selected against conventional treatments when superior reclaimed quality is desired. As a general rule, the more stringent the reclaimed water requirements the greater the advantages offered by membrane-based systems.

 

IMG_0644

Detail of RO Membrane
 

The most basic membrane treatment is achieved by microfiltration (MF) and ultrafiltration (UF), which use low-pressure membranes to produce an effluent free of suspended solids and partially free of colloids and microorganisms. The quality of the effluent obtained is generally suitable for low-grade industrial reuse and some irrigation applications, but not for unrestricted irrigation purposes or high-grade industrial reuse applications. The addition of high-pressure membrane processes (nanofiltration –NF- or reverse osmosis –RO) to the process allows the removal of dissolved species and small organics, providing water of high quality. Treated water may then suitable for a wide range of reuse applications such as industrial reuse.

 

UF membrane

Detail of UF Membrane
 

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