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HANNOVER MESSE 2020, 20 - 24 April
Homepage>Exhibitors & Products >Microseparator for separation

Microseparator for separation

Logo Karlsruher Institut für Technologie

Exhibitor

Karlsruher Institut für Technologie

Exhibitor details
Exhibitor details
Logo Microseparator for separation

Product description

Separation of a gas from explosive liquids is a challenging task. An example is the production of peroxo compounds that are used as bleaching agents in detergents and hair tinting lotions. These highly reactive compounds are frequently produced with ozone. After the reaction, excessive oxygen has to be removed, as it would promote the decomposition of the products.An established separation method consists in the use of centrifugal separators that may be combined with a membrane. Such a combined separator consists of a separation chamber in the form of a cylinder with a smaller cross section at the bottom. At the top, the cylinder is closed by a membrane. The gas-liquid mixture that enters the cylinder from the side at the top is forced to flow spirally due to the design of the separation chamber. Centrifugal force and gravity throw the liquid towards the cylinder wall due to its higher density. The liquid runs down the wall and leaves the system. The gas accumulates in the center of the chamber and ascends. It diffuses through the membrane, while the liquid is retained. However, separation of a gas from explosive liquids by the existing separators is associated with high risks due to their large volumes. KIT scientists from the Institute for Micro Process Engineering (IMVT) have designed a highly efficient microseparator. They install an insert with microchannels into a miniaturized version of the separation chamber. The gas flows through these micro-channels to the membrane that is arranged very closely to the top of the separation chamber. This reduces wetting of the membrane with the liquid and the membrane area passed by the gas flow is maximized.

You can get an overview of this technology at KIT stand. Detailed information can be exchanged individually in contact with the responsible scientific employees of KIT after the industry fair.

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