A method of dewatering a solids laden waste stream, whereby the slurry is pumped into a vertical filter retaining structure and the liquid is allowed to flow out through the pores of the filtration element while retaining the solids within the structure. After the solids have dewatered, doors or gates...http://www.google.es/patents/US8070960?utm_source=gb-gplus-sharePatente US8070960 - Method of dewatering solids laden liquids utilizing a reusable filter element
Method of dewatering solids laden liquids utilizing a reusable filter element