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Microfiltration

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

IFM 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.