A system for use in filtering a slurry using air pressure to squeeze the slurry
material and dewatering it. The system including a source of slurry, a chamber,
a filter belt that passes through the chamber, a manifold inlet supplying the slurry
to a first side of the filter belt to form a uniform moist cake of the filter material,
an inlet seal and an outlet seal to seal a belt inlet and a belt outlet formed
on the chamber, and a source of the pressurized air selectively applicable to the
chamber to dry the moist cake of filtered material.