Filter Press

Filter Presses dewater and separate liquids and solids in a wide range of applications. Due to their versatility and reliability, Filter Presses are one of the most widely used pieces of equipment in liquid-solid separation. They dewater material and separate liquids and solids by pumping the slurry into a series of empty chambers that are formed by the plates of the filter press. Each plate is lined with filter media, which determines what particles are dewatered and separated from the liquid.

McLanahan Filter Presses provide customers in many industries with proven technology that is capable of producing a drip-free cake from mining and aggregate tailings, mineral concentrates, and a wide range of waste materials through mechanical dewatering.



  • Designed based on customer material testing and specific customer needs
  • Plates sizes available range from 630mm by 630mm to 2.0m by 2.5m
  • Recessed/membrane plate count from 15 to 195 plates depending on cake thickness
  • Typical slurry feed pressure of 100 to 225 psi
  • Cake thickness between 15mm and 50mm
  • Dual slurry feed inlets lower inlet velocity and results in less wear on filter cloths
  • Open filtrate design allows for simple and rapid identification of bad filter cloths
  • Filter cloths with VELCRO® over traditional zip-ties for easy replacement
  • Allen Bradley programmable logic controller with fully automated controls and remote monitoring/assistance
  • Wider plate openings allow for better cake release and easier inspection and maintenance
  • Core blow valves recycle residual non-dewatered feed slurry prior to cake discharge to ensure the driest possible cakes