multiple-effect evaporation

multiple-effect evaporation

[′məl·tə·pəl i¦fekt i‚vap·ə′rā·shən] (chemical engineering) Series-operation energy economizer system in which heat from the steam generated (evaporated liquid) in the first stage is used to evaporate additional liquid in the second stage (by reducing system pressure), and so on, up to 10 or more effects; commonly used in the pulp and paper industry.