Figure 5 : Section of fractionating tower of Figure 4 showing detail of a pair of trays with bubble caps
2.
These two phases come in contact in correspondence of holes, valves or bubble caps that fill the area of the plates.
3.
To avoid the risk of priming and a carry over of saltwater into the vapour, the evaporator is divided by a bubble cap separator.
4.
The new plant used " lean oil " absorption, a process that forced raw gas into contact with lean oil in chains of steel bubble caps.
5.
So that the dam wall is not lifted up from underneath by water pressure at the base, the pressure at the foot is relieved by over 40 bubble caps ( " Glocken " ) with drainage pipes ( " Steigleitungen " ).
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