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Column still
Apparatus used to distill liquid mixtures consisting of two columns / From Wikipedia, the free encyclopedia
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A column still, also called a continuous still, patent still or Coffey still, is a variety of still consisting of two columns. Column stills can produce rectified spirit (95% ABV).
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![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/13/Column_still.svg/640px-Column_still.svg.png)
A. Analyzer*
B. Rectifier*
1. Wash
2. Steam
3. Liquid out
4. Alcohol vapour
5. Recycled less volatile components
6. Most volatile components
7. Condenser *Both columns are preheated by steam