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Proper cleaning of filter with caustic soda can avoid the problem of ______ in the rapid sand filter.
  • a)
    Mud Ball Formation
  • b)
    Air Binding
  • c)
    Cracking of Filter
  • d)
    Excessive Negative Head
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Proper cleaning of filter with caustic soda can avoid the problem of _...
To avoid Mud Ball Formation:
To avoid the operational problem of mud ball formation in rapid sand filter, the filter is properly cleaned with caustic soda.
To avoid Air Binding:
Proper cleaning of filter should be done when
  1. head loss becomes 2.5 to 3.5 m or
  2. Negative head becomes 1.2 m.
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Proper cleaning of filter with caustic soda can avoid the problem of ______ in the rapid sand filter.a)Mud Ball Formationb)Air Bindingc)Cracking of Filterd)Excessive Negative HeadCorrect answer is option 'A'. Can you explain this answer?
Question Description
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