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The typical McCabe–Thiele diagram in Figure 1 uses a q-line representing a partially vaporized feed. Example q-line slopes are presented in Figure 2. The number of steps between the operating lines and the equilibrium line represents the number of theoretical plates (or equilibrium stages) required for the distillation. For the binary ...
This is a diagram exemplifying how the en:McCabe-Thiele method is used to determine the number of theoretical equilibrium stages required in a distillation unit. Licensing I, the copyright holder of this work, hereby publish it under the following license:
Such VLE diagrams are square with a diagonal line running from the (x 1 = 0, y 1 = 0) corner to the (x 1 = 1, y 1 = 1) corner for reference. These types of VLE diagrams are used in the McCabe–Thiele method to determine the number of equilibrium stages (or theoretical plates ) needed to distill a given composition binary feed mixture into one ...
Process flow diagram showing an extractive distillation apparatus. In this case the mixture components A and B are separated in the first column through the solvent E (recovered in the second column).
Phase diagram – Chart used to show conditions at which physical phases of a substance occur; Theoretical plate – Hypothetical stage of matter; McCabe–Thiele method – Chemical engineering technique; Fenske equation – Equation used in chemical engineering; Flash evaporation § Equilibrium flash of a multi-component liquid
Image 1: Typical industrial distillation towers Image 2: A crude oil vacuum distillation column as used in oil refineries. Continuous distillation, a form of distillation, is an ongoing separation in which a mixture is continuously (without interruption) fed into the process and separated fractions are removed continuously as output streams.
The design and operation of a fractionating column depends on the composition of the feed as well as the composition of the desired products. Given a simple, binary component feed, analytical methods such as the McCabe–Thiele method [5] [8] [9] or the Fenske equation [5] can be used. For a multi-component feed, simulation models are used both ...
Phase diagram (left) and process flow diagram (right) of an apparatus for the azeotropic distillation with "material separation agent". In this case the phase diagram includes a zone where components are not miscible, so following the condensation of the azeotrope, it is possible to separate the liquid components through decantation.