Multi-Disc Screw Press
Sludge Dewatering System
Clog-Free Screw Press for Sludge Thickening and Dewatering
The FRC Multi-Disc Screw Press provides efficient, continuous dewatering with ultra-low water usage and self-cleaning discs for reliable sludge management.
The FRC Multi-Disc Screw Press offers an energy-efficient, low-maintenance solution for sludge thickening and dewatering. Designed with a self-cleaning, clog-free architecture, this press combines gravity filtration and mechanical compression into one continuous process—ideal for a wide range of industrial and municipal wastewater applications.
Flocculated sludge enters a flocculation tank and is directed into a screw chamber containing multiple fixed and moving disc rings. As the screw slowly rotates, sludge is conveyed and compressed toward a back-pressure plate. Water is squeezed out through the disc gaps, while the motion of the discs prevents clogging and maintains filtration pathways. The dry cake is discharged at the end, and filtrate is collected separately. Its low water and energy usage ensure efficient, hands-free operation.
Key Features
Clog-resistant multi-disc design with continuous self-cleaning
Ultra-low water consumption: ≤5 gal/hr per screw
Quiet, enclosed operation with minimal odor
Stainless-steel construction resists corrosion in harsh environments
Fully customizable system configuration including skids, catwalks, and controls
Specifications
Flow Capacity: Up to 440+ GPM
Dry Solids Capacity: Up to 3,000+ lbs/hr
Typical Cake Solids: 20% - 35% (application dependent)
Water Consumption: < 5 gal/hr per screw
Construction: Stainless steel (304, 316, duplex, or custom alloys); optional tungsten carbide coating
Components: Screw assembly, disc modules, spray bar, sludge inlet, filtrate and cake outlets
Applications
Industrial and municipal biosolids
Food and beverage processing sludge
Chemical and pharmaceutical waste streams
DAF float thickening and dewatering
Facilities with variable sludge flow or loading
Why choose a screw press?
FRC’s screw press provides reliable, low-footprint sludge dewatering with minimal water, energy, and labor requirements. Its clog-free, automated operation ensures consistent cake dryness—making it a smart investment for sustainable and cost-effective sludge management.
Screw Press FAQ
Q: What’s the main benefit over a belt press?
A: The screw press consumes less water and energy, and its clog-free, self-cleaning design minimizes maintenance.
Q: Is the screw press noisy or odorous?
A: No. It operates quietly in an enclosed frame with minimal odor release.
Q: What sludge cake dryness can be achieved?
A: It consistently produces ≥20% solids in the dewatered sludge cake.
