... 3.Continuous rotation 4.Automatic operation Spiral Machine/Screen Centrifuge Machine Model PWC centrifuge is a type of horizontal ... the filtrating medium and is discharging out of the machine, while the solid-phase material is retained inside ... , sodium hyposulfite, tartaric acid, stannic sulfate, sodium phosphate, vegetable, vegetable extraction, zinc sulfate, top grade soda, boll-shaped polymer, ...