Lesson 7 - Brewing Product Water Final Treatment SAQ
This lesson provides the opportunity for you to test yourself on the material covered in Lesson 6 (Brewing Product Water Final Treatment) and determine the level to which you have attained the expected outcomes.
Suggested Response - Q1
*Identify which technologies/methods can be used to remove the following contaminants from water:
a) Iron
b) Nitrate
c) Trihalomethanes (THM)
d) Chlorine
e) Bacteria
Response:
a) We can remove iron by filtration after aeration and oxidation. We can also remove it using reverse osmosis, cation exchange, or phosphoric acid and precipitation/filtration.
b) Nitrates can be removed by anion exchange or reverse osmosis.
c) Activated carbon filtration.
d) Activated carbon filtration, UV degradation and metabisulphite addition.
e) Microfiltration (sterile filtration)