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Introduction to CHEMCAD Process Simulation Software
Agung Ari Wibowo, S.T, M.Sc
Dept. of Chemical Engineering
Politeknik Negeri Malang
What is Process Simulation Software
Process simulation software
describes processes in flow diagrams where unit operations are positioned and connected by product or educt streams. The software has to solve the mass and energy balance to find a stable operating point. The goal of a process simulation is to find optimal conditions for an examined process.
SoftwareAdvantagethe speed and accuracy of process simulation begins to save tremendous time and money. And not only for design changes
“Working smart is harder than
working hard. It’s just less
visible, and we care too much
about what others see.”
CHEMICAL PROCESS
Raw Material Processing
Main Process/ ReactorPurification
Chemical Process Equipments
Fluid Transport
» Pump (liquid)
» Compressor (Gas/Vapor)
» Expander (Gas/Vapor)
Heat Exchanger
» Double Pipe
» Shell and Tube
» Plate and Frame
Reactor
» CSTR
» PFR
Purification
» Distillation Column
» Absorption Column
» Extraction Column
» Decanter
» Flash
1.CHEMCADSupercharges an engineer’s efficiency when facing the toughest chemical process models or addressing day-to-day challenges
Course Material
» Basic Simulation of Chemical Process Support Equipment
» Basic Simulation of Reactor» Basic Simulation of Distillation Column» Sensitivity Analysis» Chemical Plant Simulation
BIG
CONCEPTUsing sensitivity analysis to improve process quality
We work here
List of Equipment
Notification pane
Selecting Component
Getting Started with CHEMCAD
To Change Thermodynamics Model
Getting Started with CHEMCAD
Getting Started with CHEMCAD
Thermodynamics Model Selection Guide
Getting Started with CHEMCAD
Getting Started with CHEMCAD
CHEMCAD dapat melakukan perhitungan flash berikut:
• P-T
•Vf-P
•Vf-T
P : Tekanan
T : Temperatur
Vf : Vapor Fraction
Jika kita memasukkan T, P dan Vf akan terjadi Error (Consistency Error), karena tidak seseai
dengan Degree of Freedom dari Hukum Gibbs
2.FLUID TRANSPORT
EQUIPMENTAlthough liquids particularly can be transported by operators carrying buckets, the usual mode of transport of fluids is through pipelines with pumps, blowers, compressors, or ejectors
Pump for liquid fluid
Compressor
Expander
3.Heat ExchangerAn Equipment being used for heating or cooling the processed material.
Heat Exchanger type 1
Feed, 5 kmol/h water and ethanol, T = 150 C, P= 101.3 kPa
Heat Exchanger type 2
Heating Medium, 500 kg/h water, T = 150 C, P= 101.3 kPa
Heat Exchanger
4.FLASH SEPARATORA vapor–liquid separator may also be referred to as a flash drum, breakpot, knock-out drum or knock-out pot, compressor suction drum or compressor inlet drum
Flash Separator : Vapor - Liquid
Feed, 5 kmol/h water and ethanol, T = 150 C, Vf= 0.5
Flash Separator : VLLE / LLE
Feed, 5 kmol/h water and benzene, T = 150 C, Vf= 0.5
immiscible
Flash Separator : VLLE / LLE
Feed, 5 kmol/h water and benzene, T = 150 C, Vf= 0.5
Flash Separator : VLLE / LLE
Stream No. 1 2 3 4
Flow rates in kg/h
Water 90.075 42.5117 42.7295 4.8337
Benzene 390.57 206.2737 0.682 183.6143
Thank You