Civil Engineering - Water Supply Engineering - Discussion
Discussion Forum : Water Supply Engineering - Section 4 (Q.No. 32)
32.
Carbonates in water produce
Discussion:
4 comments Page 1 of 1.
Sainajamsheer said:
1 decade ago
Carbonates and bicarbonates causes temporary hardness.
Nitrates chlorides and sulphates causes permanent hardness.
Nitrates chlorides and sulphates causes permanent hardness.
Heera said:
6 years ago
Temporary hardness : due to bicarbonates of calcium and it is removed by boiling, freezing and by addition of lime.
Permanent hardness : due to chlorides and sulphates of calcium and magnesium. And it is removed by zeolite process.
Permanent hardness : due to chlorides and sulphates of calcium and magnesium. And it is removed by zeolite process.
MJM Gcek said:
4 years ago
I think It's alkalinity.
(1)
Pankaj Pokhrel said:
2 years ago
Without Magnesium or calcium ions, Carbonates cannot cause Hardness but can cause alkalinity, so the answer should have been Alkalinity.
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