Aspen Plus V11 : Chemical Reactors

Explore Aspen Plus version 11, its updates, and the fundamental features that stay constant. Learn to run Aspen Plus on Windows and build a basic chemical engineering simulation.

Learn how Aspen Plus uses flow sheet simulation to model a chemical processing plant, depicting unit operations and predicting mass and energy balances, thermodynamics, phase equilibrium, stoichiometry and kinetics.

Discover why Aspen Plus empowers engineers with robust thermodynamics, reliable data, and rigorous models to perform what-if analyses, design checks, bottlenecking studies, sensitivity analysis, and optimization.

Aspen Plus serves process and chemical engineers across the full lifecycle, from concept to plant operations, and supports R&D in universities while aiding students and professionals to advance skills.

Translate a chemical process into an Aspen Plus V11 simulation by defining components and thermodynamic models, building a flow sheet with unit operations and streams, then run and analyze simulation.

Explore chemical reactor design using Aspen Plus. The lecture splits Aspen Plus reactor design into two parts, covering simple kinetics with power-law reactions and complex kinetics to avoid overwhelming learners.

Model and simulate a multi-stage chemical process in Aspen Plus V11, from a plug flow reactor to a continuous stirred tank reactor and distillation columns.

Model acetone cracking in Aspen Plus with a first-order rate, kelvin temperature, and activation energy; compare two equivalent rate forms, with and without reference temperature D zero.

Enter components such as acetone, methane, acetic acid, and hydride, then select the Wilson NDH activity-coefficient method and estimate missing binary parameters to prepare your first Aspen Plus reactor model.

Explore seven reactor models in Aspen Plus v11, including stoichiometric, yield, equilibrium (single/two-phase and solid phase), continuous stirred tank, plug flow, and batch reactors.

Add a plug flow reactor to the Aspen Plus V11 process, connect acetone feed and product streams, and set the reactor conditions to 1035 kelvin, 1.6 atm, and 7850 kg/h.

Learn to set up a plug flow reactor in Aspen Plus v11, a single-tube adiabatic gas-phase system with five meter length and one meter diameter, targeting 20 percent acetone conversion.

Run the RPlug model in Aspen Plus V11 to simulate acetone cracking, assess the molar conversion, and optimize reactor length to meet the 20% target.

Rerun the Aspen Plus v11 simulation for the blood flow reactor, compressor, and rectifying column with a partial condenser, and review mass flows, acetone isolation, and bottom recycle.

Analyze volatilities of acetone, DTN, and methane with Aspen Plus pure component analysis to identify light and heavy keys for distillation, guiding overhead versus bottom separation using vapor pressure curves.

Add a RadFrac distillation column in Aspen Plus v11 to separate methane from Kitaen, set twelve stages, condenser, boiler, distillate 150 kg/h, reflux 3, feed at stage 6, and run.

Analyze converged results in Aspen Plus V11, verify the control panel for warnings, then confirm methane is 100% in the top distillation stream and 99.5% in the bottom stream.

Add a rcstr block downstream to convert Kitaen with ascetic acid into ascetic anhydride and hydride, with ascetic acid feed at 25 C and 1 bar, using equilibrium modeling.

Explore complex reactor kinetics in methanol synthesis from CO2 and hydrogen, focusing on solid-catalyzed, exothermic reactions, absorption effects, and selectivity toward methanol over carbon monoxide.

Explain how the LHHW type reaction works in Aspen Plus, using the built-in LHHW expression to compute rate as kinetic factor times driving force expression over the absorption term.

Learn to specify driving force for a non-reversible reaction in Aspen Plus, including setting gabey to zero, gay F to one, and defining A and E in the kinetic inputs.

Select Aspen Plus V11 to specify the driving force for a reversible reaction by setting gay to 1 and E to 0, and define reactants and products based on stoichiometry.

Learn how to specify the absorption term in Aspen Plus V11, input the absorption expression exponent, define five terms with reactants and products, and assign concentration exponents.

Determine kinetic parameters for the methanol reaction in Aspen Plus, including driving force and absorption terms, and prepare the concentration exponents and A, B, C, D coefficients for input.

Explore how to determine kinetic parameters for the water-gas shift reaction using Aspen Plus V11, emphasizing data quality and correct input formatting to ensure accurate, convergent simulations.

Model a fixed-bed methanol reactor in Aspen Plus V11, with shell-side cooling and an 8000-tube bed. Analyze methanol synthesis versus the water-gas shift and optimize selectivity through temperature and pressure.

this lecture guides modeling a methanol reactor in Aspen Plus v11, selecting a high-pressure property method and srk equation of state, and entering CO, CO2, H2O, H2, and CH3OH.

Configure a multi-tabular R plug reactor, entering feed at 150 C, 110 bar, 37 kmol/h with 0.11 CO, 0.11 CO2, 0.78 H2, and define the temperature profile and dimensions.

Define the methanol production reaction in a vapor-phase reactor, set its stoichiometry, and input kinetic data, driving-force exponents, and absorption terms using a catalyst-based rate expression.

Define and enter the water gas shift kinetic data in Aspen Plus v11, including stoichiometry, kinetic parameters, driving force, and absorption coefficients, and indicate readiness for simulation.

Develop a careful approach to complex reaction kinetics by writing and verifying kinetic rate expressions, tabulating coefficients and exponents, and entering accurate data into Aspen Plus for reliable simulations.

Run the RPlug model to analyze methanol production and the water–gas shift in a reactor, noting a converged result with a large negative heat duty and no warnings.

Determine the optimum reactor temperature and pressure to maximize methanol selectivity, using Aspen Plus sensitivity analysis to identify that peak occurs around 325 C and 197 bar.

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

Explore a mixer and flash separation that split a mixture into aqueous and organic streams, acetone partitioning by solubility; a distillation tower yields nearly pure top and bottom streams.

Learn liquid-liquid extraction, a solvent method using immiscible water and organic solvent to separate methyl ethyl ketone, progressing from a single-stage unit to a multi-stage column with octanol recycling.

Model piping systems in Aspen Plus; calculate pressure drops, friction factors, pump work or net positive suction head, and KVI; perform sensitivity analysis to prevent cavitation or valve choking.

Identify the optimum economic pipe diameter that minimizes total annual cost by balancing fixed and operational costs, using Aspen Plus iterations under turbulent conditions.

Explore heat exchanger design in Aspen Plus v11, using shortcut and rigorous methods, and model a Shalan tube heat exchanger while assessing results and design risks with the feasibility panel.

Learn solids handling in Aspen Plus v11, covering particle size distribution, mean size, density, moisture, color, and shape, with an introduction to solids unit operations.

Model the fluidized bed in Aspen Plus as two zones—the dense bottom bed and the loose freeboard—to compute bubble growth and splitting, bubble-related profiles, solid concentration, and gas velocity.

Demonstrate the safety and energy features of a natural gas liquids process in Aspen Plus, including conditioning, knockout drum separation, distillation stabilization, and pipeline pressurization.

Delve into the bonus content for Aspen Plus V11: chemical reactors, expanding your understanding of the course.