| 摘要 |
The invention relates to a device for separating gas by means of cryogenic distillation, comprising a system of columns ( 13, 15 ), means for sending gas which is to be separated to a column belonging to said column system, means for drawing off at least one product ( 31,35 ) of the column system and means for sending gas from the device ( 23 ) into a turbine ( 11 ) with bearings wherein the bearings of said turbine are antifriction bearings.
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