| 单词 | distillation column | 
| 释义 | distillation column in the Oil and Gas Industry (dɪstəleɪʃən kɒləm) Word forms: (regular plural) distillation columns  noun (Extractive engineering:  Refinery processes, Equipment)    distillationA  distillation column is a tall vessel in which crude oil is heated and separated into its components.  The first process in the refining of crude oil is fractional distillation which iscarried out in a tall steel tower known as a distillation column.  The crude oil is heated in a heat exchanger and furnace, to about 750°F and fed intoa vertical distillation column, at an atmospheric pressure where most of the feed is vaporized and separated.  A distillation column is a tall vessel in which crude oil is heated and separated into its components.  | 
	
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