Ionic compressor

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The ionic compressor is an isothermal displacement compressor that uses an ionic liquid (liquid organic salts in the working area) to dissipate the heat generated during compression. This “designer liquid”, which is specially adapted to the specific application, can simultaneously clean the gas or gas mixture of aerosols, suspended particles or other particles and is able to selectively absorb gas components from gas mixtures.

In these compressors, instead of a movable piston, a movable liquid column is used to compress the gas, which is moved up and down by a pump. The liquid is connected to one another in two flasks. While the column of liquid rises in one cylinder, it falls in the other cylinder. Since the compressor does not contain any moving parts other than the pump for pumping the liquid around, numerous problems of mechanical compressors, such as mechanical wear, complex cooling and energy losses, are solved.

The current developers Linde AG and Daimler AG see an important field of application for these compressors in the compression of gases in hydrogen and natural gas filling stations. In combination with the existing piston compressor, this compressor enables a higher capacity for refueling at a hydrogen filling station.

See also

swell