bubble tray

bubble tray

[′bəb·əl ‚trā]
(chemical engineering)
A perforated, circular plate placed within a distillation tower at specific places to collect the fractions of petroleum produced in fractional distillation. Also known as bubble-cap tray.
References in periodicals archive ?
Each Optrix(TM) 3-D Bubble(TM) toy comes in a distinctive 3-D package, and includes a viewing glasses, bubble wand, bubble tray and 8 oz bottle of Imperial Toy's best selling Super Miracle Bubble solution.