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Distillation Designer science theme cover
Distillation DesignerAll functions are free

Distillation Designer

uses operating lines and plate-by-plate ladders to understand separation and reflux ratios.

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Binary constant relative volatility, constant molar flow; the equilibrium stage includes a partial reboiler and does not include a total condenser. Unreachable separation and pinch return diagnostics.

Distillation Designer: uses and methods

uses operating lines and plate-by-plate ladders to understand separation and reflux ratios.

Applicable scope and calculation boundary

Binary constant relative volatility, constant molar flow; the equilibrium stage includes a partial reboiler and does not include a total condenser. Unreachable separation and pinch return diagnostics.

model and reference method

McCabe–Thiele diagramming method.

model version: 1.0.0. The results are used for scientific research, exploration and teaching, please interpret according to the model conditions.

input parameters

relative volatility
Value range: 1.01 – 10
Feed mole fraction zF
Value range: 0.01 – 0.99
Distillate xD
Value range: 0.02 – 0.999
kettle liquid xB
Value range: 0.001 – 0.98
reflow ratio R
Value range: 0.01 – 30
Feed thermal status q
Value range: -0.5 – 2

How to use

  1. Load the example or enter data that matches the field description.
  2. Confirm units and models, run calculations and check diagnostics.
  3. Export charts, tables or results packages and record model versions.

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FROM SCIENCE TO PRACTICE

commercial application case

Industry Application · Independent Reproduction Example

solvent recovery distillation

solvent recovery team compares the effect of reflux ratio on theoretical series. Concept design of

Public industry reference: AspenTech · Aspen Plus

Aspen Plus is used for chemical process modeling and process analysis.

View product or organization original information

on this site

  1. Set binary composition and relative volatility
  2. View operating line
  3. mathematical theory board

Deliverables

McCabe–Thiele diagram and theoretical series to support concept screening

needs to be checked before landing

The assumption of constant relative volatility is not suitable for azeotropic and complex multi-component systems.。

case is compiled for public industry purposes, and the reproduction steps are independent examples of this site; it does not mean that the above-mentioned institutions use or endorse this site, nor does it cite customer benefits that have not been publicly verified. The

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recommended by universities and research institutions

Chemical Engineering

The following is the recommended reading order of this website organized by direction relevance, public research resources and learning portals. The number is the serial number recommended by the editor, not QS, THE or paper measurement ranking; it does not represent the overall strength of the institution.

  1. 01

    MIT · Department of Chemical Engineering

    United States The

    Reaction engineering, separation, thermodynamics and process systems。

    official website link accessibility check: 2026-10-03
  2. 02

    Imperial College London · Department of Chemical Engineering

    United Kingdom

    Separation, process systems, biochemicals and energy。

    official website link accessibility check: 2026-10-03
  3. 03

    University of Minnesota · CEMS

    United States The

    Chemical Thermodynamics, Transfer and Reaction Engineering。

    official website entrance; please refer to the current public page of the institution.

catalog compiled on 2026-10-03. Link accessibility does not equate to verification of the latest papers, admissions, or program status; please check the institution's official website for specific research teams and opportunities.

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