Microfiltration (commonly abbreviated to MF) is a type of physical filtration process where a contaminated fluid is passed through a special pore-sized membrane to separate microorganisms and suspended particles from process liquid. MF membrane is commonly used in conjunction with various other separation processes such as ultrafiltration and reverse osmosis to provide a product stream which is free of undesired contaminants.
MF usually serves as a pre-treatment for other separation processes such as ultrafiltration, and a post-treatment for granular media filtration. The typical particle size used for microfiltration ranges from about 0.1 to 10 µm.In terms of approximate molecular weight these membranes can separate macromolecules of molecular weights generally less than 100,000 g/mol.
Applications range:
Remove suspended solid and reduce SS
Remove proteins, polysaccharides, pigments and other impurities
remove bacterial
Dehydration
Concentration
Reduces COD / BOD
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