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Heat transfer fluids and their use in countercurrent heat exchangers
Heat transfer fluids and their use in countercurrent heat exchangers
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机译:传热流体及其在逆流热交换器中的使用
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摘要
The invention relates to a ternary composition comprising difluoromethane, 1,3,3,3-tetrafluoropropene and a hydrocarbon-derived compound containing at least two fluorine atoms and having a boiling point of between −30 and −20° C., which is selected from 1,1-difluoroethane, 1,1,1,2-tetrafluoroethane and 2,3,3,3-tetrafluoropropene. This composition is particularly suitable for use as a heat-transfer fluid in the presence of countercurrent heat exchangers.
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