Aspen Touch Solutions ATM-123R Series Specifikace Strana 306

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6-12 Dehumidifier Example
6-12
6.4 Dehumidifier Example
The following example shows how to create a new User Unit
Operation. This operation will function as a dehumidifier. From a
single feed stream containing water, the operation copies the
conditions and composition of its feed stream in to two product
streams. The first product consists of the stream composition
minus any water; the second is a pure water stream.
1. Begin by creating a new case. Click the New Case icon.
2. Create the following fluid package and then enter the Main
Simulation Environment:
3. Specify a material stream Feed, with the following
properties:
4. Add two more material streams: Dry Product and Wet
Product.
5. Add a new User Unit Operation to your case. Double-click the
User Ops icon from the Object Palette. The Add a User Unit
Operation property view appears.
Property Package Components
PRSV Methane, Ethane, Propane, i-Butane, n-Butane, i-
Pentane, H2O
Stream Properties Value
Temperature [C] 23.0000
Pressure [kPa] 303.9750
Molar Flow [kgmole/h] 100.0000
Comp Mole Frac [Methane] 0.40
Comp Mole Frac [Ethane] 0.20
Comp Mole Frac [Propane] 0.15
Comp Mole Frac [i-Butane] 0.10
Comp Mole Frac [n-Butane] 0.05
Comp Mole Frac [i-Pentane] 0.05
Comp Mole Frac [H2O] 0.05
New Case icon
User Ops icon
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