TROUGH WITH MULTIPLE DISCHARGE CUPS Russian patent published in 2013 - IPC B01D3/20 

FIELD: process engineering.

SUBSTANCE: invention relates to mass exchange. Trough with multiple drain cups for mass exchange column comprises zone of mass exchange discharge cups for collection and draining of fluid from mass exchange zone of every drain cup composed of a fluid channel. Said channel is confined by two side walls and end wall connecting said side walls so that every end face of every drain cup is secured to at least one lengthwise patched-on element. Drain cut and patched-on element share common axis composed of the column cross-section chord length. Every patched-on element is secured to end face of appropriate drain cup and extends therefrom to make a common bearing structure.

EFFECT: increased mass exchange zone.

22 cl, 26 dwg