Temperature and Vapor Pressure
A clear explanation of the basic knowledge necessary to understand distillation, distillation towers, and distillation equipment!
Kansai Chemical conducts plant engineering for distillation, evaporation, refining, reaction, fermentation, extraction, solvent recovery, and more. I will explain about "temperature and vapor pressure." When water boils at 100°C, its vapor pressure is 1,013 hPa. At the summit of Mount Fuji, the atmospheric pressure is said to be approximately 630 hPa. When the water in a pot boils, the water vapor just above the pot displaces all the air, so the vapor pressure of the water is the same as the atmospheric pressure, which is 630 hPa. At this point, the temperature of the boiling water is likely 87°C. At the summit of Mount Everest, the atmospheric pressure is about 300 hPa. The temperature of boiling water here is 69°C. Thus, "the boiling temperature is determined by pressure." In other words, it is a physical property value. In other words, vapor pressure is determined by temperature. *For more details, please refer to the PDF document or feel free to contact us.
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