Membrane technology is the generic term used for any separation process in which membranes are employed. A membrane can be defined as a physical barrier separating two phases and allowing a selective transition of compounds from one phase to the other. The part that goes through the membrane is the permeate and the part that is rejected by the membrane is the retentate (Figure 1, Membrane technology separation scheme).
Membrane technology can be applied for purposes such as:
• Water purification: undesired impurities are removed from the solution. For example: soft water production by removal of calcium and magnesium cations
• Concentration: required components are present at a low concentration and the solvent is removed. For example: concentrating fruit juice by removing water
• Fractionation: a mixture must be separated into two or more desired components. For example: milk fractionation in the dairy industry Membranes can be classified depending on the compounds that membranes are able to separate (Figure 2, pressure driven membranes).
IMDEA-WATER SOLUTIONS
IMDEA-Water Institute has wide-ranging expertise in scientific consulting. Our membrane technology unit has a multidisciplinary team focused on:
IMPLEMENTATION SECTOR
IMDEA Water, a research Institute focused on water management issues, is directed towards optimizing public and private decision-making processes, emphasizing on the link between water, public services, the economy and institutions. The scientific program of the Institute is based on the development of strategic lines for the integrated water management: management of sustainable bodies of water, quality pollution, water treatment and reuse and economic and institutional analysis.
The institute is equipped with high-level up-to-date specialized laboratories as: water, soils, geomatic, ecotoxicology and water biology labs, and pilot plants (mesocosms, microbial electrochemical technologies, land application systems and membranes technologies) for conducting the research activities.
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