Which of the following is not commonly used as a filter material in the treatment of water?

Related MCQs

• Which of the following is correct regarding the cheapest filter material used in water treatment?
• Trickling filter is used in which of the following wastewater treatment processes?
• Belt filter presses are used in which of the following process?
• Which of these is not an advantage of a trickling filter?
• Which material is used for removing fluorides from hard water containing 3ppm of fluorides?
• The extent of water treatment depends on how many factors?
• What is added to the water treatment tank to settle the colloidal particles?
• What is the next step after water abstraction in wastewater treatment?
• The upper region of the trickling filter is favorable for the growth of _____________
• The effective size of sand of the slow sand filter is __________