Koch Membrane Systems has maintained a leadership role in supplying highly innovative Microfiltration (MF) technology and membrane solutions to a world market for decades.

KMS manufactures microfiltration membranes in tubular, hollow fiber, spiral and flat sheet membrane configurations.

MF is a low pressure (10-100 psig) process for separating larger size solutes from aqueous solutions by means of a semi-permeable membrane. This process is carried out by having a process solution flow along a membrane surface under pressure. Retained solutes (such as particulate matter) leave with the flowing process stream and do not accumulate on the membrane surface.

· Retains large suspended solids
· Passes some suspended solids and all dissolved material
· Pore ranges from 0.1 micron to 3 micron

KMS microfiltration products are designed for cross-flow separation, where a feed stream is introduced into the membrane element under pressure and passed over the membrane surface in a controlled flow path. A portion of the feed passes through the membrane and is called permeate. The rejected materials are flushed away in a stream called the concentrate. Cross-flow membrane filtration uses a high cross flow rates to enhance permeate passage and reduce membrane fouling.




KMS' cross-flow membrane filtration controls the effect of concentration polarization and the gel layer. It provides the most rapid, and hence economic, continuous membrane filtration.

Applications include wastewater treatment, caustic cleaner recovery and clarification of dark juices. For example, in the clarification of wine and dark juices (such as cranberry), MF is employed to separate the suspended solids from the juice to produce a low turbidity juice while allowing the passage of color and flavor.

Call us first! We want to help you choose the most effective solution for your application. Take advantage of 35 years of membrane treatment expertise. Performance is everything!

Please call +1-978-657-4250 or e-mail us.


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