Liquefied natural gas
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What is the principle for determining the refrigerant ratio in a mixed refrigerant? Help needed
Mixed refrigerants generally range from C1 to C5; those at the extremes account for a small proportion, while those in the middle, such as ethylene, make up about 40%
This refrigerant ratio was determined through long-term operational experience; it is related to reducing the temperature gradient in the cryogenic tank as well as energy consumption. It’s a secret, buddy! The experienced engineers at your factory must know this; ask the masters more to acquire their expertise