FILTRATION PLATE Russian patent published in 1996 - IPC

FIELD: liquid mediums filtration. SUBSTANCE: filtration plate has a supporting frame located between two semipermeable membranes. Frame has holes for initial liquid introduction and for filtrate removal and has porous material, located in frame inner cavity. Supporting frame has additional holes, that communicate its opposite sides, and connecting grooves. In the case each hole for initial liquid introduction is linked by grooves at least with two additional holes, and each additional hole is linked by groove with frame inner cavity. In the case each two neighboring grooves and each two in series located grooves are made on different sides of frame. As a version one more additional hole is made between existing additional hole and frame inner cavity. EFFECT: increased quality of filtration. 2 cl, 4 dwg