The French Super Dewatering Press™ is custom designed for synthetic rubber and other polymers. It takes synthetic rubber crumb from roughly 60% inlet moisture down to a discharge moisture as low as 3 to 5%, in a single machine. Discharge material leaves the press cut into a porous pellet, which dries readily in a hot air dryer.
A standard dewatering screw press typically discharges at around 12% moisture. Because the Super Dewatering Press gets the material substantially drier before it ever reaches the dryer, the downstream conveyor dryer can be specified smaller. That means less equipment on the floor and lower energy cost per ton of finished product.
How the Super Dewatering Press Works
Material enters the press at high moisture and is mechanically compressed to force free water out of the crumb. Water leaves through the press body while the polymer is conveyed forward and consolidated. At discharge, the material is cut into a porous pellet, and the porosity is deliberate: it gives the hot air dryer surface area to work with, so the final drying stage runs shorter and cooler than it otherwise would.
One Machine Instead of a Longer Drying Line
The case for the Super Dewatering Press is line-level, not machine-level. Reaching 3 to 5% mechanically shifts work out of the thermal drying stage, where energy cost lives, and into a mechanical stage, where it does not. The practical results plants report:
- Smaller conveyor dryer for the same throughput
- Lower thermal energy demand per ton
- Shorter overall line footprint
- Less residence time at elevated temperature
Lower Temperature Operation for Sensitive Materials
Because the Super Dewatering Press removes moisture mechanically rather than thermally, the polymer spends less time at elevated temperature. For materials where heat exposure drives discoloration, crosslinking, or molecular weight change, moving the moisture reduction upstream of the dryer protects product quality rather than trading it away for throughput.
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