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distillation column

noun, Chemistry
a type of still fitted with interior baffles, used for fractional distillation.
Compare still2 (def 1). Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for distillation column
  • Topping refineries have a crude distillation column and produce naphtha and other intermediate products, but not gasoline.
  • The contaminants exit the distillation column at the top of the column as a sour gas.
  • The energy efficiency of a commercial distillation column is low with a typical thermal efficiency of less than ten percent.
  • The fundamental operating principles for a distillation column are the same regardless of the application.
  • The reflux ratio is the proportion of compound distilled off to the proportion left in the distillation column.
  • Higher distillation rates would require a larger distillation column in order to yield similar purity levels.
  • The pyrolysis gasoline will be sent to the lean-oil cleanup distillation column for purification.
  • Refinery feed rate is defined as the crude oil feed rate to the atmospheric distillation column.

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