Ceramic Membrane Discs

Extremely fine distributed gas bubbles by rotating ceramic membranes. Investigations at the University of Rostock have shown that by an additional rotation of the ceramic membrane discs an average gas bubble size of 10-20 µm can be obtained (compared to 50 µm with the static discs/air in water).
In the case of aeration with CO₂, no gas bubbles are visible by the use of rotating ceramic membrane discs – the CO₂ is directly dissolved in the liquid.

Principle

Pressure is applied on the inside of the membrane disc through a channel structure. Gas flows through the porous material. Thus superfine distributed gas bubbles are created on the membrane surface. The discs can be arranged horizontally or vertically. The insertion of bubbles is also possible in systems under pressure and near boiling point.

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