Q.

While designing the demineralisation plant what is considered as the weak basic anion load?

A. alkaline hardness
B. alkaline hardness + ema
C. ema
D. silica
Answer» C. ema
Explanation: the load for weak basic anion is ema alone. ema constitutes of chlorides, sulphides, nitrates etc. it is the sum total of these ions.
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