Civil Engineering MCQAE Level Civil Engineering
The purpose of recarbonation after lime-soda softening is to
Environmental EngineeringGeneralMEDIUM
Choose the correct answer
A
increase hardness to infinity
B
stabilize water and remove excess lime
C
remove all dissolved oxygen
D
increase pathogens
Correct Answer
B. stabilize water and remove excess lime
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CO2 addition converts excess lime and stabilizes softened water.
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