Clean Filter Head-Loss Using the Rose equation 11-6, determine the head loss across a clean filter given the following information: (Ans. 4.77 ft) Filter media Sieve Analysis: Sieve No. 14 16 18 20 25 30 35 40 45 50 Assume: Filter media depth...... Kinematic viscosity. Porosity Shape factor Sieve Size (ft) 0.004626 0.003904 0.003281 0.002759 0.002329 0.001952 0.001640 0.001378 0.001148 0.000974 % Retained 10.2% 38.2% 29.0% 12.0% 6.0% 2.0% 1.0% 0.8% 0.8% .6.0 ft 1.21 x 10-5 ft²/sec 0.40 0.80

Structural Analysis
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Author:KASSIMALI, Aslam.
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Design a rapid mono-media sand filter for a plant that has a design flow rate of 120 MGD

 

Clean Filter Head-Loss Using the Rose equation 11-6, determine the head loss
across a clean filter given the following information:
(Ans. 4.77 ft)
Filter media Sieve Analysis:
Sieve No.
14
16
18
20
25
30
35
40
45
50
Assume:
Filter media depth.........
Kinematic viscosity.
Porosity
Shape factor
Sieve Size (ft)
0.004626
0.003904
0.003281
0.002759
0.002329
0.001952
0.001640
0.001378
0.001148
0.000974
% Retained
10.2%
38.2%
29.0%
12.0%
6.0%
2.0%
1.0%
0.8%
0.8%
.6.0 ft
.1.21 x 10-5 ft²/sec
. 0.40
0.80
Transcribed Image Text:Clean Filter Head-Loss Using the Rose equation 11-6, determine the head loss across a clean filter given the following information: (Ans. 4.77 ft) Filter media Sieve Analysis: Sieve No. 14 16 18 20 25 30 35 40 45 50 Assume: Filter media depth......... Kinematic viscosity. Porosity Shape factor Sieve Size (ft) 0.004626 0.003904 0.003281 0.002759 0.002329 0.001952 0.001640 0.001378 0.001148 0.000974 % Retained 10.2% 38.2% 29.0% 12.0% 6.0% 2.0% 1.0% 0.8% 0.8% .6.0 ft .1.21 x 10-5 ft²/sec . 0.40 0.80
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