We are offering pot still distillation plants, malt whisky is distilled twice - although a few distilleries may undertake a third distillation - in pot stills which resemble huge copper kettles. The spirit is driven off from the fermented liquid as a vapor and is then condensed back to a liquid. In the first distillation the fermented liquid, or wash, is put into the wash still. Which is heated either directly by fire or by steam-heated coils. At this stage the wash contains yeast, crude alcohol, some un-fermentable matter and the by-products of fermentation. During the process of boiling the wash, changes take place in its constituents which are vital to the flavor and character of the whisky. As the wash boils, vapors pass up the neck of the still and then pass through a water-cooled condenser or a worm, a coiled copper pipe of decreasing diameter enclosed in a water jacket through which cold water circulates. This condenses the vapors and the resulting distillate, known as low wines, is collected for re- distilling. The liquor remaining in the wash still is known as pot ale or burnt ale and is usually treated and converted into distillers soluble for animal feed.
Manpreet Singh Anand (Rattan Industrial India Pvt. Ltd)
47, Anand Industrial Estate, Mohan Nagar, Ghaziabad, Uttar Pradesh - 201007
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