I watched a liquid seperation and concentration process using a rotovap (Rotating Evaporater). A vacuum is used to lower the vapor pressure allowing liquids to boil at a much lower temperature, such as water boils at 212 F° which is 100 C°. Under the vacuum, you can get the water to boil at 80 C° or even lower. Dry ice is used to cool the evaporated vapor condensing back into a liquid. Its a slow and tedious process to do it right and carefully. We do a batch about every 45 minutes.
During downtime, there are some great intellectual conversations about either high school, grad school or science and technology.
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