Biochemical Engineering - Water Treatment - Discussion

Discussion :: Water Treatment - Section 1 (Q.No.4)


The maximum desirable limit (BIS) of total hardness (as CaCo3) in drinking water is

[A]. 600 ppm
[B]. 300 ppm
[C]. 500 ppm
[D]. 1000 ppm

Answer: Option B


No answer description available for this question.

Yashwant said: (Oct 2, 2018)  
It's 600mg/L as CaCO3.

Rakesh Patel said: (Mar 2, 2021)  
600 mg/L maximum hardness of water.

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