BUBBLE PLATE FOR EPURATION COLUMNS Russian patent published in 1997 - IPC

FIELD: production of ethyl alcohol in food industry. SUBSTANCE: plate has a foundation consisting of central and peripheral sections with contact member, reception and drain pockets. Central section in a foundation part expanding along direction of liquid stream displacement is located higher than, and that in contracting part below peripheral sections. Level of location of central section in expanding part of foundation is reduced and that in contracting part is raised from the center of foundation to its periphery. EFFECT: improved design. 2 cl, 2 dwg