What does granulated activated carbon mean in practice?
Loose grains provide low resistance and high surface contact, but require distributors to prevent the medium from being carried away.
When does it matter?
Channeling shortens the actual EBCT, and fresh GAC may release dust and air after filling.
Which solutions are related to it?
The bed is backfilled to the appropriate height, soaked, rinsed and mined below the breakthrough velocity.