Process Simulation using DWSIM

Free and Open Source Process Simulator DWSIM
Basics

1. Outline Process Simulation and Simulation Tools DWSIM Spoken Tutorials – IITB Tutorials on process simulation using DWSIM 10-Oct-15 Process Simulation using DWSIM 2

2. Process Simulation Perform material and energy b alance Performance of equipment for given design Sensitivity analysis What-If analysis Process synthesis and comparison 10-Oct-15 Process Simulation using DWSIM 3

3. DWSIM Process Simulator Steady State Thermodynamic Models Unit Operations Free & Open Source CAPE Open Complaint http://dwsim.inforside.com.br / https :// en.wikipedia.org/wiki/DWSIM http://dwsim.fossee.in/ 10-Oct-15 Process Simulation using DWSIM 4 Daniel Medeiros Process Engineer, Petrobras

4. FOSSEE Project Free and Open Source Software for Education FOSSEE on DWSIM : http:// dwsim.fossee.in/ Spoken Tutorials 10 min short videos on DWSIM http ://spoken-tutorial.org / Forum to post queries on videos Textbook Companion Project http:// dwsim.fossee.in/Textbook_Companion_Project Code all solved examples of standard textbook Get paid ! Honorarium from IITB Lab Migration Project Convert process simulation lab to DWSIM 10-Oct-15 Process Simulation using DWSIM 5 Dr. Kannan Moudgalya Chemical Engg ., IITB

5. Tutorials Creation of material s treams Creation of simple process flow sheet Thermodynamics Thermo physical properties of components VLE data of binary component system Process Units Mixer Simple heater Simple distillation column Flash column Equilibirum reactor 10-Oct-15 Process Simulation using DWSIM 6

6. Tutorial 1 Specification of Material Stream and Composition Objective Create material stream Specify composition Operating condition (Pressure, Temperature, State – Thermodynamics) Spoken Tutorial Data Components: Benzene and Toluene Composition: Equimolar Thermodynamics: Raoults Law Pressure: 1 atm Temperature: 30 o C 10-Oct-15 Process Simulation using DWSIM 7

7. Tutorial 2 Generation of Vapour Liquid Equilibrium (VLE) data Objective Generate binary component VLE ( Pxy at T or Txy at P, y vs. x) Data Components: Benzene and Toluene Pressure: 1 atm Generate Txy , y vs. x Temperature: 50 o C Generate Pxy , y vs x 10-Oct-15 Process Simulation using DWSIM 8

8. Tutorial 3 Mixing of Two Liquid Streams Objective Mix two liquid streams and estimate the flow rate and composition of outlet stream Data Inlet stream 1: 10 mol % Methanol solution at 20 kmol / hr Inlet stream 2: 80 mol % Methanol solution at 10 kmol / hr Both the streams are at 30 o C and at 1 atm pressure The liquid streams can be considered as ideal Block Mixer Output Outlet molar flow rate Composition 10-Oct-15 Process Simulation using DWSIM 9

9. Tutorial 4 Heat duty through Simulation of Heater Block Objective Determine the heat duty required to heat a fluid to a desired temperature Data Fluid: Water Inlet mass flow rate: 50 kg/ hr Inlet temperature: 25 o C Outlet temperature: 90 o C Pressure: 1 bar Block Heater Output Heat Duty 10-Oct-15 Process Simulation using DWSIM 10

10. Tutorial 5 Simulation of a Simple Distillation Column Objective Develop a simple process sheet to simulate distillation column Underwood Fenske Method Spoken Tutorial Output Minimum reflux Min. no. of stages Condenser duty Re-boiler duty 10-Oct-15 Process Simulation using DWSIM 11 Quantity Value Components Benzene, Toluene Thermodynamics Ideal – Raoult’s Law Feed Molar flow rate Mol fraction State 100 kmol / hr x F = 0.4 Saturated Liquid at P = 1 bar Reflux 2 Product Bottoms: x B = 0.05 Distillate: x D = 0.95

11. Tutorial 6 Simulation of a Simple Process Flow Sheet – Mixer and Flash Column Objective Develop process sheet with Mixer and Flash Column Mix two streams Outlet from mixer is sent to flash column Estimate the vapour and liquid outlet Spoken Tutorial Output Vapour composition Liquid composition 10-Oct-15 Process Simulation using DWSIM 12

12. Tutorial 7 Simulation of Equilibirum Reactor Objective Simulate equilibrium reactor to estimate conversion for reversible reaction (known stoichiometry) Data Reversible reaction – Water Gas Shift Operating temperature: 900 K, Operating pressure: 1 atm Inlet flow rate: 100 kmol / hr Composition: stoichiometric ratio of CO and H 2 O Block Equilibrium Reactor Output Equilibrium conversion in terms of base component Enthalpy of reaction 10-Oct-15 Process Simulation using DWSIM 13

13. To Sum Up DWSIM – Effective and promising open source process simulation tool Complement learning process through simulation of difference process scenarios 10-Oct-15 Process Simulation using DWSIM 14

14. Gratitude Prof Kannan Moudgalya , IITB M. Neelesh Chandran , Chemical Engg ., SASTRA C. S. Vighnesh , Chemical Engg ., SASTRA CAPE-2015 and IIChE Student Chapter For this wonderful opportunity PR Team for their registration drive !! Technical and Infra support team Audience 10-Oct-15 Process Simulation using DWSIM 15

15. THANK YOU A person who never made a mistake never tried anything new - Albert Einstein - 1879 -1955 Entities must not be multiplied beyond necessity - William of Ockham - 12 th A.D. 10-Oct-15 Process Simulation using DWSIM 16