The brine is an intermediate substance, such as the commonly used air conditioning chilled water, which is cooled and cooled in the evaporator and then transported over long distances to cool the objects that need to be cooled. At present, the commonly used brine has water, which can only be used above 0 °C when the requirement is below 0 °C. Generally, a brine such as sodium Chloride or an aqueous solution of calcium chloride or an aqueous solution of an organic compound such as Ethylene Glycol or propylene glycol is used.
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