Some of the stages of a bubble-tray batch distillation column.
The column has 9 trays and works on a 9 wt-% ethanol/water mixture. It is steam heated through two parallel thermosyphon reboilers and gives a distillate of about 92 wt-% ethanol at 100% recirculation, with bottoms at 4 wt-%.
This rectifier column can be found at Chalmers University of Technology in Gothenburg.
Några av bottnarna på en satsvis arbetande klockbottenkolonn.
Kolonnen har nio bottnar och arbetar på en 9 vikts-%
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