| 释义 |
fractionating column
fractionating column n (Chemistry) chem a long vertical cylinder used in fractional distillation, in which internal reflux enables separation of high and low boiling fractions to take place fractionating column
fractionating column[′frak·shə‚nād·iŋ ‚käl·əm] (chemistry) An apparatus used widely for separation of fluid (gaseous or liquid) components by vapor-liquid fractionation or liquid-liquid extraction or liquid-solid adsorption. |