There are two classes of final dewatering – Open and Closed. The selection depends on the level of hazardous contaminants in the system.
Open Dewatering
- Uses bulk dewatering bag and open frame or covered bin (splash guard)
- Vapors to atmosphere
- Gravity filter/drain of liquid to skid pan and return to open drain
- Solids retained in dewatering bag
- Simple and cheap process and operation