Scottish Double Pot Still Distillation

Question 1

What is the output of the first distillation in Scottish double pot still distillation called?

Answer 1

Low wines

Question 2

Where do low wines go after the condenser?

Answer 2

Charging vessel

Question 3

What is the ABV % of low wines?

Answer 3

25%

Question 4

What is the waste product of the first distillation run called?

Answer 4

pot ale

Question 5

What is the maximum ABV of the liquid in the charging vessel?

Answer 5

30% ABV

Question 6

What are the outputs of the second distillation?

Answer 6

Heads, hearts and tails

Question 7

What is the liquid waste from the second distillation called?

Answer 7

spent lees

Question 8

What type of condensers are typically used in Scottish double pot still distillation?

Answer 8

Worm tub, or shell and tube

Question 9

What is the ABV of the hearts on the second distillation?

Answer 9

70% ABV

Question 10

Why is the ABV % of the liquid in the charging vessel kept below 30%?

Answer 10

Below 30% ABV the fusel oils come out of solution and float on top allowing the distiller to remove them.

Question 11

What are the fusel oils that are removed from the charging vessel?

Answer 11

Group 3 fractions - fusel alcohols, fatty acids and esters.