pumparound

pumparound

[′pəm·pə‚rau̇nd]
(chemical engineering)
A system or process vessel that moves liquid out of and back into the vessel at a new location; for example, in a bubble tower, the withdrawing of liquid from a plate or tray, followed by cooling, and returning to another plate to induce condensation of vapors.
References in periodicals archive ?
The crude oil goes through a preheat train, that is a series of heat exchangers, where it is being heated up by the pumparounds and products from the column to a certain extent prior to its entry into the furnace.