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Membrane filtration is a physical separation process in which the driving force is the difference in pressure between the two sides of a special membrane. This process is characterized by the ability to separate molecules of different sizes and characteristics. The vast majority of industrial membrane filtration is carried out as cross-flow filtration, where the liquid being filtered flows parallel to the membrane at high velocity and under pressure. The cross flow/tangential flow greatly reduces the build up of material/solids on the membrane surface allowing relatively long operating time between cleanings when designed correctly.

There are four commonly accepted categories of membranes. These are defined on the basis of the size of material they are required to separate from the feed liquid. The membrane types are known as reverse osmosis, nanofiltration, ultrafiltration and microfiltration, in order of increasing pore size.

Our partner SD Filtration provides membrane filtration plants and integrated solutions. Their mission is to maintain a very clear customer focus, through knowledge and competence, as well as high flexibility and reliability through customised standard solutions.

SD Filtration’s core team consists of highly skilled personnel, each with 20+ years’ experience within their field of expertise. Supplementing the experts are a team of passionate engineers, designers and technicians ready to bring to life the solutions, which suit the customers’ needs.