When we talk about microfiltration, it's a filtration membrane. Microfiltration is a type of separation process, which is different from ultrafiltration and reverse osmosis. This special separation process is also called physical filtration process where a contaminated fluid is passed through a special pore-sized membrane to separate microorganisms and suspended particles from process liquid.
Inorganic membranes are usually composed of sintered metal or porous alumina. They are able to be designed in various shapes, with a range of average pore sizes and permeability.
This is the overall setup for a microfiltration system:
What kind of size we can say it's microfiltration?
Usually the typical particle size used for microfiltration ranges from about 0.1 to 10 µm.What materials are used in microfiltration process?
Usually
the materials which constitute the membranes used in microfiltration
systems may be either organic or inorganic depending upon the
contaminants that are desired to be removed, or the type of application.
Organic
membranes are made using a diverse range of polymers including
cellulose acetate (CA), polysulfone, polyvinylidene fluoride,
polyethersulfone and polyamide. These are most commonly used due to
their flexibility, and chemical properties.Inorganic membranes are usually composed of sintered metal or porous alumina. They are able to be designed in various shapes, with a range of average pore sizes and permeability.
This is the overall setup for a microfiltration system:
