Filter plate assembly for a horizontal plate and frame-type filter, such as a tower press, a filter plate and a vat liner

A filter plate assembly for a horizontal plate and frame filter, comprising a filter plate having a rigid body with a frame side and a chamber side,

• wherein the filter plate comprises, on the chamber side, a border having an inner lateral wall and an upper surface, the border being elevated for a distance from a portion of the filter plate delimited within the border, and
• wherein the border is an integral part of the filter plate,
• wherein a filtrate vat is formed by the filter plate, such that the inner lateral wall of the border forms a lateral wall of the filtrate vat, and a portion of the filter plate delimited by the border forms a bottom of the filtrate vat, and
• wherein the filter plate assembly further comprises a vat liner having a body, the vat liner being nested within the filtrate vat such that the vat liner extends onto the upper surface of the border, such that the filter plate is separated from filtrate within the filtrate vat by the vat liner.