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Ceramic membrane information


Ceramic membranes are a type of artificial membranes made from inorganic materials (such as alumina, titania, zirconia oxides, silicon carbide or some glassy materials). They are used in membrane operations for liquid filtration.

By contrast with polymeric membranes, they can be used in separations where aggressive media (acids, strong solvents) are present. They also have excellent thermal stability which makes them usable in high-temperature membrane operations.

Like polymeric membranes, they are either dense or porous.

Researchers have studied ceramic membranes for potential applications in wastewater treatment, gas separation, and membrane reactors. Ceramic membranes typically last longer than polymeric membranes which are more commonly used for these applications. Currently ceramic membranes have not seen widespread usage mainly due to their high cost of production.

Configurations include tubular cross flow and dead-end membranes as well as flat sheet membranes.

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