Bibliographic Details
| Title: |
A Systematic Hierarchical Thermodynamic Analysis of Hydrogen Producing Iron−Chlorine Reaction Clusters. |
| Authors: |
Ryan J. Andress1, Lealon L. Martin1 |
| Source: |
Industrial & Engineering Chemistry Research. Feb2011, Vol. 50 Issue 3, p1278-1293. 16p. |
| Subjects: |
Thermodynamics, Hydrogen, Chlorine, Chemical reactions, Microclusters, Linear statistical models |
| Abstract: |
Here, we apply our systematic methodology for thermochemical cycle evaluation to the well-studied Fe−Cl system. Using an integer linear program, thermochemical cycles are identified from species consisting of Fe, Cl, H, and O atoms and a corresponding nonlinear (in temperature) thermodynamic database. Using Aspen Plus simulation software and heat pinch analysis, maximum attainable cycle efficiencies of up to 51% are calculated, exceeding our base-level target of 35%. The most promising of these cycles is evaluated in more detail considering thermodynamic yields. A higher-level evaluation results in a significant reduction in cycle efficiency due to increased thermal requirements resulting from low-yield reactions and competing by-products. Results of this higher-level analysis and the base-level analysis are consistent with literature findings on Fe−Cl thermochemical cycles. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
