How to add Heat Stable Salts in an amine-based Acid Gas Cleaning Process

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Products: Aspen HYSYS 
Last Updated: 02-Jan-2018
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Article ID: 000066016
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Problem Statement

How do I add and then view/modify Heat Stable Salts in an amine-based Acid Gas Cleaning process?

Solution

After selecting “Acid Gas – Chemical Solvents” as the Property Package, return to the Component List and click the “Add Heat Stable Salts” button


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A series of reactions will be generated in the Reactions folder


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Return to the Simulation Environment and open the Lean Amine Stream


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Go to the Composition form and then click the “Edit” button


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Click the “HSS Composition Wizard” button


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A form will appear displaying salt compositions.  These compositions can be modified and the effect on the outlet sweet gas H2S composition may be observed.

 
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Key Words
Heat Stable Salts, HSS, acid gas cleaning, amine