4460 Lab Lecture 4 2011

4460 Lab Lecture 4 2011 - CHEN 4460 Process Synthesis,...

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Unformatted text preview: CHEN 4460 Process Synthesis, Simulation and Optimization Dr. Mario Richard Eden Department of Chemical Engineering Auburn University Lab Lecture No. 4 Selection of Property Models October 4, 2011 Contains Material Developed by Dr. Daniel R. Lewin, Technion, Israel Choosing Property Models Importance of Selection Correct predictions of physical properties of the mixture as function of temperature and pressure. Each method is suitable only for particular types of components and limited to certain operating conditions. Choosing the wrong method may lead to incorrect simulation results. Particularly important for reliable computations associated with separation operations (distillation, LL extraction, etc.). Principal Selection Steps Choosing the most suitable model/thermo method. Comparing the obtained predictions with data from the literature. Adding estimates for components not available in the chosen thermo package. Can they be neglected? Generation of lab data if necessary to check the thermo model. Sources of Information Publications and professional literature that deal with the process in question or with the components that participate in the process. Simulator reference manual (HELP). DATABANKS Rules of thumb. Types of Models EOS Models Activity Coefficient Models...
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This note was uploaded on 12/05/2011 for the course CHEM 4460 taught by Professor Eden during the Fall '11 term at Auburn University.

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4460 Lab Lecture 4 2011 - CHEN 4460 Process Synthesis,...

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