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  2. Fractional distillation - Wikipedia

    en.wikipedia.org/wiki/Fractional_distillation

    The calculations involved in the design of petroleum fractionation columns require in the usual practice the use of numerable charts, tables, and complex empirical equations. In recent years, however, a considerable amount of work has been done to develop efficient and reliable computer-aided design procedures for fractional distillation. [8]

  3. Fractionating column - Wikipedia

    en.wikipedia.org/wiki/Fractionating_column

    A fractionating column or fractional column is equipment used in the distillation of liquid mixtures to separate the mixture into its component parts, or fractions, based on their differences in volatility. Fractionating columns are used in small-scale laboratory distillations as well as large-scale industrial distillations.

  4. Distillation Design - Wikipedia

    en.wikipedia.org/wiki/Distillation_Design

    Key fractional distillation concepts: theoretical stages, x-y diagrams, multicomponent distillation, column composition and temperature profiles; Process design and optimization: minimum reflux and minimum stages, optimum reflux, short-cut methods, feed entry location

  5. Fenske equation - Wikipedia

    en.wikipedia.org/wiki/Fenske_equation

    Fractionation at total reflux. The Fenske equation in continuous fractional distillation is an equation used for calculating the minimum number of theoretical plates required for the separation of a binary feed stream by a fractionation column that is being operated at total reflux (i.e., which means that no overhead product distillate is being withdrawn from the column).

  6. Fractionation - Wikipedia

    en.wikipedia.org/wiki/Fractionation

    These oils typically use fractional crystallization (separation by solubility at temperatures) for the separation process instead of distillation. Mango oil is an oil fraction obtained during the processing of mango butter. Milk can also be fractionated to recover the milk protein concentrate or the milk basic proteins fraction.

  7. McCabe–Thiele method - Wikipedia

    en.wikipedia.org/wiki/McCabe–Thiele_method

    For the binary distillation depicted in Figure 1, the required number of theoretical plates is 6. Constructing a McCabe–Thiele diagram is not always straightforward. In continuous distillation with a varying reflux ratio, the mole fraction of the lighter component in the top part of the distillation column will decrease as the reflux ratio ...

  8. Air separation - Wikipedia

    en.wikipedia.org/wiki/Air_separation

    High purity oxygen, nitrogen, and argon, used for semiconductor device fabrication, require cryogenic distillation. Similarly, the only viable source of the rare gases neon, krypton, xenon is the distillation of air using at least two distillation columns. Helium is also recovered in advanced air separation processes. [1]

  9. Column still - Wikipedia

    en.wikipedia.org/wiki/Column_still

    A column still is an example of a fractional distillation, in that it yields a narrow fraction of the distillable components. This technique is frequently employed in chemical synthesis; in this case, the component of the still responsible for the separation is a fractionating column .

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