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Wastewater enters a rotating drum where solids are retained on the screen surface.
A screw conveyor inside the drum transports the retained solids to a compaction zone, where they are compressed and partially dewatered.
Clarified water passes through the drum openings and flows downstream.
The unit is designed as a compact system and includes:
• perforated or wedge-wire drum
• screw conveyor (often shaftless)
• compaction (press) zone
• drive system for rotation and conveying
• housing or channel installation
Enclosed versions are available to reduce odors and improve hygiene.
Main parameters:
• capacity — from tens to hundreds m³/h
• screen opening — 0.25–6 mm
• material — stainless steel
• automatic operation
• waste volume reduction up to 50–70%
Applications: • wastewater treatment plants
• industrial facilities
• food processing industry
• pumping stations
👉 Key advantage — combined screening, conveying, and dewatering in a single unit.
