Lesson 7 - Processing Aids and Additions SAQ
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Suggested Response - Q3
** Your most recent batch of malt has a low colour, causing the colour of your beer to be out of specification. You have 80hl of beer with a colour of 14.5 EBC that you need to blend to achieve a colour target of 17 EBC. You still hold a tank of beer from the previous malt batch that has a colour of 19 EBC. Calculate the beer blend required to bring the colour into specification.
Response:
Using this approach:
Aa + Bb = Cc
A, B, and C = volume
a, b, and c = colour
(80 x 14.5) + (V x 19) = (80+ V) x 17
1,160 + V19 = 1,360 + V17
V19 – V17 = 1,360 – 1,160
V2 = 200
V = 100 hL