Abstract: Liquor-clarifying apparatus comprises a tank 1, inlets 2 for suspension to be clarified, outlet 3 for clarified water, outlet 4 for sedimented solids, and a plurality of settling assemblies each comprising a stack 6 of downwardly inclined plates 7 mounted around a vertical collection duct 39. This duct generally comprises a downwardly extending duct 18 that leads directly into an upwardly extending duct 27. The plates 6 are preferably conical or pyramidal and are preferably self-spacing and capable of being clipped together by a push fit. A downwardly extending skirt 40 may be provided. Orifices 25 allow clarified liquid to pass from between the plates into the collection duct and preferably these orifices are elongated.