Aspen Plus V11 : Flash , Distillation & Extraction Processes

Explore Aspen Plus version 11 and its fundamental features, and learn how to use it on Windows for beginners in chemical engineering simulation.

Aspen Plus is a flow sheet simulation that models a chemical plant from raw materials to product, using unit operations, material and energy streams, and thermodynamic relations.

Aspen Plus rests on a thermodynamic foundation with reliable data and rigorous equipment models, enabling What-If analyses, design checks, bottlenecking, optimization, and steady-state and dynamic modelling with Aspen Plus Dynamics.

Process and chemical engineers use Aspen Plus across the full lifecycle from concept to plant operations, and universities use it for research.

Translate a chemical process into an Aspen Plus simulation by specifying components, selecting a thermodynamic model, defining the process flow sheet with unit operations and streams, and setting operating conditions.

Explore flash separation and distillation in Aspen Plus v11, using a mixer and a one-stage flash unit to split a mixture into aqueous and organic streams with acetone partitioning.

Explore Aspen Plus V11 by adding a second mixer and a second flash separation unit to purify water, then use iterations to approach 95 percent purity.

Demonstrate using Aspen Plus for sensitivity analysis with design specifications, varying the M IBK flow rate to target a 95 percent water mass fraction in the flash unit.

Explore Aspen Plus distillation column options, from the DSTWU simple single feed model to the RedFrac rigorous unit, covering two-product distillation and absorption, stripping, extractive and azeotropic distillation.

Explore Aspen Plus DSTWU distillation column design, including mixer integration, flash separator streams, and acetone–IBK separation with reflux, stage optimization, and free water handling.

Place a distillation column model in Aspen Plus, connect streams including a free water outlet, and set stages, reflux, distillate-to-feed, and condenser conditions to simulate acetone separation.

Configure a red frac distillation column in Aspen Plus, set feeds, product streams, condenser, and reflux ratio; run the RadFrac simulation to optimize acetone purity and analyze heat duties.

Explore how Aspen Plus generates charts from simulation results, showing the acetone profile across stages and reflex ratio effects, with export to Excel and sensitivity analysis.

Explore how Aspen Plus v11 provides multiple unit operation options for completing distillation problems based on complexity. Start simple and progressively use initial results as inputs for more detailed simulations.

Explore liquid-liquid extraction principles, solvent extraction, and partitioning, using water, methyl ethyl ketone, and octane to model single-stage and multi-stage separations in Aspen Plus.

Choose thermodynamic methods for extraction processes using activity coefficient models for the liquid phase. Compare rtl, unique work, and univac to show method suitability for vapor and liquid equilibria.

Set up a single-stage extraction in Aspen Plus using RTL, estimate missing binary interactions with UNIVAC, and use dirty water for water–MEK–octane system; compare RTL, Unique Work, and UNIVAC results.

Define a new property set named M.C. for the molar concentration in a liquid mixture, and specify its unit as per liter with qualifiers liquid and the component as make.

Using sensitivity analysis, this lecture compares RTL, UNIVAC, and unique work property methods against experimental data for MEK partitioning in a water-octane extraction, showing UNIVAC as most accurate.

Explore modeling a multistage extraction in Aspen Plus v11 using the UNIVAC property method; configure feeds, stages, and key components, run simulations, and analyze product splits and purity.

Identify azeotropic conditions with the Aspen Plus ternary diagram for water and octane at 1 atm and 25 °c, using UNIVAC and reading the phase envelope for extraction.

Aspen Plus uses univac to model extraction and distillation, guiding stage count, reflux ratio, and sensitivity analysis to achieve 95 percent weight purity for the target streams.

Take your Aspen Plus skills to the next level by modeling more complex processes and exploring advanced features with the master class and Aspen Plus dynamics courses.

Model and simulate an acetone to acetic anhydride process in Aspen Plus, using plug flow reactors, distillation columns, and a cstr, then optimize via reaction kinetics and sensitivity analysis.

Explore piping systems in Aspen Plus, model pipes, valves, and fittings; compute pressure drops, friction factors, pump work or net positive suction head, and analyze cavitation risk and valve choking.

Introduction to economic optimization using Aspen Plus, identifying the optimal pipe diameter that minimizes total annual cost under turbulent conditions by balancing fixed and operational costs.

Explore heat exchanger design in Aspen Plus v11, compare shortcut and rigorous methods, and model a shalan tube heat exchanger to view results and feasibility in the exchanger feasibility panel.

Explore solids handling in Aspen Plus, including particle size distribution and other properties, and review solids unit operations to demonstrate Aspen Plus features for solid materials.

This lecture presents fluidized bed modeling in Aspen Plus, detailing a dense bottom and freeboard zone, bubble profiles, and outlet conditions via entrainment correlations.

Explore the safety and energy features of natural gas liquids processing in Aspen Plus v11 by conditioning NGLs, separating water, and distilling light hydrocarbons before pipeline transport.

Explore the bonus content for Aspen Plus V11, focusing on flash, distillation, and extraction processes. Build practical simulation skills with concise, accessible insights.