i. Liquefaction
of petroleum vapours
ii. Liquefaction
of industrial gases
iii. Manufacturing
of dry
ice
• Advantages of cascade systems:
• Advantages of cascade systems:
i.
Since each cascade uses a different
refrigerant, it is possible to select a refrigerant that is best suited for
that particular temperature range. Very high
or very low pressures can be avoided.
ii.
Migration of lubricating oil from one compressor to the other is prevented
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