There is a thin layer of colloidal residues and some large flocs on the wall and the bottom of the tank in many wastewater treatment plants. No matter how you stir it and how long it takes, these residues are hard to dissolve, and it will often cause unnecessary trouble if they are not properly treated.
目前分類:wastewater treatment plants (1)
- May 20 Wed 2020 09:10
The Cause And Solution Of The Caking When Polyacrylamide Dissolves