Civil Engineering - Water Supply Engineering - Discussion

Discussion Forum : Water Supply Engineering - Section 7 (Q.No. 46)

Water Supply Engineering

46.

Efficiency of removing bacterias from raw water by a slow sand filter, is

80% to 81%

85% to 86%

90% to 97%

98% to 99%.

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

3 comments Page 1 of 1.

PAKISTAN ZINDABAD said: 1 year ago

And the efficiency of Slow Sand filter to remove bacterial load is upto 80%.

Puku said: 7 years ago

Rate of filtration - 100 to 200L/m2/hour.

Viru kapoor said: 7 years ago

Rate of filtration - to 200L/m2/hour.
Bacteria Removal - 98%to 99%.
Turbidity removal 50ppm.
Colour removal- 30ppm.

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