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Laboratory distillation set-up using, without a fractionating column 1: Heat source 2: Still pot 3: Still head 4: Thermometer/Boiling point temperature 5: Condenser 6: Cooling water in 7: Cooling water out 8: Distillate/receiving flask 9: Vacuum/gas inlet 10: Still receiver 11: Heat control 12: Stirrer speed control 13: Stirrer/heat plate
Pot stills at the Lagavulin Distillery. A pot still is a type of distillation apparatus or still used to distill liquors such as whisky or brandy.In modern (post-1850s) practice, they are not used to produce rectified spirit, because they do not separate congeners from ethanol as effectively as other distillation methods.
Diagram of a Batch Rectifier. The simplest and most frequently used batch distillation configuration is the batch rectifier, including the alembic and pot still.The batch rectifier consists of a pot (or reboiler), rectifying column, a condenser, some means of splitting off a portion of the condensed vapour (distillate) as reflux, and one or more receivers.
Still pot with stirrer bar/anti-bumping granules; Cold finger - bent to direct condensate; Cooling water out; cooling water in; Vacuum/gas inlet; Distillate flask/Distillate; Note: As the condenser (cold finger) is not in the distillation path, less product is lost as a film on the condenser surface.
Pot still distillation gives an incomplete separation, but this can be desirable for the flavor of some distilled beverages. If a purer distillate is desired, a reflux still is the most common solution. Reflux stills incorporate a fractionating column, commonly created by filling copper vessels with glass beads to maximize available surface ...
A glass of Bowmore 12-year-old single malt Scotch whisky. Single malt Scotch refers to single malt whisky made in Scotland. [1] [2] To qualify for this category, a whisky must have been distilled at a single distillery using a pot still distillation process [3] [4] and made from a mash of malted barley.
A Lomond still is a type of still that was sometimes used for whisky distillation, invented in 1955 by Alistair Cunningham of Hiram Walker. [1] It is used for batch distillation like a pot still, but has three perforated plates which can be cooled independently, controlling the reflux through the apparatus in a manner similar to coffey stills.
Short-path distillation is a distillation technique that involves the distillate traveling a short distance, often only a few centimeters, and is normally done at reduced pressure. [ 1 ] [ 2 ] Short-path distillation systems often have a variety of names depending on the manufacturer of the system and what compounds are being distilled within them.