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F700
7. Calculating the quantity of suspended solids
The quantity of suspended solids is calculated using the following formula:
Suspended solids concentration (ppm) =
Notes:
1. Volumes of water passing through the sampler for given time periods at a flow
rate of 1 m3/h:
Sampling time
(min)
sampler in sampling time (m
3
6
9
12
2. The desired filtration grade of filter in the current application can be defined (if
needed) by a measurement of the suspended solids size from the taken sample.
3. If a test of filtration system is performed, the size of the suspended solids should
be compared to the filtration degree, in order to verify that no particle greater
than the filtration grade has passed through the filter.
Calculation examples
1. For 2 ml. of suspended solids collected during 6 min. the suspended solids
quantity of the supply lines is:
2. For 6 ml. of suspended solids collected during 3 min. the suspended solids
quantity of the supply lines is:
Amount of accumulated suspended solids (ml)
Volume of water passed through the sampler (m
Water passed through the
0.05
0.1
0.15
0.2
2 (c.c.)
TSS =
0.1 (m
6 (c.c.)
TSS =
0.05 (m
Recommended conditions
3
)
Very contaminated supply water
Normal supply
Normal supply
Clean water
= 20 (ppm)
3
)
120 (ppm)
3
)
3
)
6
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