fractionating column

(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

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References in periodicals archive ?

"Oil mulch is made of waste oil in a fractionating column. A layer of the material is applied to the surface of soil or sand dunes to temporarily help stabilize them.

Iranian gets US award for way to stop sandstorms

In order to prevent the sublimation of benzoic acid, fractionating column was connected with four-necked flask.

Plasticizing effect of glyceryl tribenzoate, dipropylene glycol dibenzoate, and glyceryl triacetate on poly(lactic acid)

KNPC in April 2010 had entered into talks with Daelim over proposals for a re-tendered deal to build a new gas fractionating column at the refinery.