Aspen Plus (brief Tutorial For Vle Correlation).pdf

Dhoni Hartanto Chemical Engineering Department Semarang State University Extractive Distillation Column

Feed Preheater

Steam in Concentrated Buffer Solution

Evaporator

Buffer recycle

Condense out T2

Hartanto, 2013 D1 T1

Pump

Feed

Organic solvent Water

Altway, 2012

T3

Open ASPEN Plus V8.0 2 3

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Go to Windows icon Click Aspen Tech Process Modeling V8.0 Aspen Plus Aspen Plus V8.0

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Welcome Screen of ASPEN Plus

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1. Click Open New Project 2. Open File Existing 3. Recent Cases which opened before

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Welcome Screen of ASPEN Plus

Double Click Blank Simulation to Open

Or click Create tool

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Define Components

1. Add component 2. Search for Component

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It’s mean component is not ready to use 5

Define Components

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1 1. Click “Find” 2. Write Component Name (in English) “Aceton” 3. Click “Find Now” 4. Choose Aceton and Double Click or Click “Add Selected Component”

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Define Components

Component “Aceton” is ready to use

7 See check list image Compare with step before component defined

Define Components 1

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1. Click “Find” In second row 2. Write Component Name (in English) “methanol” 3. Click “Find Now” 4. Choose Methanol and Double Click or Click “Add Selected Component”

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Define Components

Two component is ready to use

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Define Methods

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3 to use Two component is ready

1. Click “Methods” then Click “Specifications” 2. Method filter use “COMMON” 3. Base Method choose “Wilson” for Wilson Calculation

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Define Methods

1. Click “Parameters” 2. Choose and Click “Binary Interactions” 3. Double Click “WILSON-1”

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Define Methods Results

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Input Data

2 1. Click “Data” 2. Double Click “New” 3. Double Click “MIXTURE”

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Input Data

Click “>>” to add component

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Input Data Choose Data type : PXY

Fill in temperature : 328,15 K 15

Input Data

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Input Data

Copy the data from M. Excel for : 1. Pressure 2. X aceton 3. Y aceton

Note : X and Y methanol will calculated automatically

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Input Regression Click “Regression”

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Input Data

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Input Regression 2

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Input Regression

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Input Regression

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Results

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View parameter

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Results

View consistency tests

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Results View profile : data experimental and calculated

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Results Plot graph

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Results graph

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1. Try with other model : a. NRTL b. UNIQUAC

2. Try isobaric VLE for other binary system such as ethanol + water at 101,3 kPa, ethanol + tert-butanol at 101,3 kPa etc. and correlate with Wilson, NRTL, and UNIQUAC

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Have a Nice Try

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