For fast filtering materials.
For filtering/dewatering granular or crystalline solids.
For discharging cakes in excess of 1/4" thick.
For non-blinding cakes where cloth washing is not required.
Typical Scraper Discharge Applications
Flue Gas Desulfurization (FGD) Scrubber Sludge
FGD Gypsum Dewatering and Cake Washing for Wallboard
Inorganic Chemicals and Minerals
Pigment Processing
Plastics Resins (Polymers)
Calcium Compounds
Titanium Dioxide
Edible Oil Dewaxing
The Roll discharge filter is usually fitted with a very tight filter medium to retain very small particles and is used: