To remove 1% primary sludge which of the following size of mesh of a cyclone gritter is used?
To remove 1% primary sludge which of the following size of mesh of a cyclone gritter is used? Correct Answer 150
To remove the 1% primary sludge usually a 150 sized mesh of the cyclone degritter is used. In these cyclone degritters the sludge is fed tangentially. This is the most effective way to degrit sludge.