Used 180,000 TPY Calcium Sulfate Pigments Plant. Used for coated printing paper to improve the brightness, opacity and printability of paper. Calcium sulfate also facilitates the production of lighter paper as it has a lower density level compared with other pigments.
Process Summary:
Purification of raw material
Control of calcination
Reactor design
Control of precipitation chemistry
Dispersing technology and chemistry
Dewatering technology