HUBER Pile Cloth Media Filter RotaFilt® is a disc-shaped filtration system for tertiary and fourth-stage wastewater treatment. Removes fine suspended solids, microplastics, phosphorus, and trace substances. Uses multi-dimensional pile cloth filter bags on stainless steel discs. Suits both gravity and pumped feed. Disc diameters are 2,200mm and 2,700mm.

  • Disc filter system for advanced wastewater filtration
  • High separation efficiency for fine solids and microplastics
  • Reliable phosphorus and trace substance removal
  • Retains powdered activated carbon (PAC) for polishing
  • Continuous operation with low pressure loss (5–30mbar)
  • No separate flushing water or tank required
  • Quick installation and easy replacement of filter bags
  • Minimal system footprint and low energy use

Applications

  • Tertiary and quaternary wastewater treatment in municipal and industrial plants
  • Phosphorus elimination
  • Removal of trace substances and microplastics
  • Prefiltration for ozonation and GAC adsorption systems
  • Retention of powdered activated carbon (PAC)

Dimensions

Disc diameter 2,200mm

Disc diameter 2,700mm

Materials

All metallic parts made from stainless steel

Disc support segments made from high-quality plastic

Filter bags made from pile cloth with supporting mesh

Performance

Low pressure loss during operation (5–30mbar)

Continuous filtration with no dead zones

High hydraulic capacity

Installation

Vertical disc installation in basin or tank

Feeding by gravity or pump

Easy installation and removal of filter elements and suction modules

Maintenance

Filter discs cleaned automatically by suction pump when pressure drop is reached

Uncomplicated replacement of segments and filter bags