To remove 2% primary sludge which of the following size of mesh of a cyclone gritter is used?
To remove 2% primary sludge which of the following size of mesh of a cyclone gritter is used? Correct Answer 100
To remove the 2% primary sludge usually a 100 sized mesh of the cyclone degritter is used. Prior to thickening of sludge, degritting should be carried out. After degritting the sludge is stored before it is subjected to thickening.