Ask Question
1 September, 23:12

A rapid sand filter has a loading rate of 8.00 m/h, surface dimensions of 10 m ' 8 m, an effective filtration rate of 7.70 m/h. A complete filter cycle duration is 52 h and the filter is rinsed for 20 minutes at the start of each cycle. a. What flow rate (m3 / s) does the filter handle during production? b. What volume of water is used for backwashing plus rinsing the filter in each filter cycle?

+2
Answers (1)
  1. 2 September, 00:16
    0
    given data

    loading rate = 8.00 m/h

    filtration rate = 7.70 m/h

    dimensions = 10 m * 8 m

    filter cycle duration = 52 h

    time = 20 min

    to find out

    flow rate and volume of water is used for back washing plus rinsing the filter

    solution

    we consider here production efficiency is 96%

    so here flow rate will be

    flow rate = area * rate of filtration

    flow rate = 10 * 8 * 7.7

    flow rate = 616 m³/h

    and

    we know back washing generally 3 to 5 % of total volume of water per cycle so

    volume of water is = 616 * 52

    volume of water is 32032 m³

    and

    volume of water of back washing is = 4% of 32032

    volume of water of back washing is 1281.2 m³
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “A rapid sand filter has a loading rate of 8.00 m/h, surface dimensions of 10 m ' 8 m, an effective filtration rate of 7.70 m/h. A complete ...” in 📘 Engineering if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers