Regarding the issue of determining the condenser inlet temperature
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I would like to ask the experts: during vacuum drying, the component that evaporates is water. At a given vacuum level, water has a saturated vapor pressure corresponding to a certain saturated temperature. So what value should be used for the temperature of the gas phase before it enters the condenser?
It should be noted here that, at a constant external pressure, water at different temperatures has corresponding saturated vapor pressures (temperature is a function of saturated vapor pressure). If heat loss is not considered, the ideal gas equation of state can be used under low pressure conditions.