Modeling Sulfur Poisoning of Palladium Membranes Used for Hydrogen Separation
Hydrocarbons are the most important source for hydrogen production. A combined reaction-separation process using inorganic membranes can significantly increase the reaction conversion by shifting the equilibrium toward product formation. Sulfur poisoning is a significant problem as it deactivates th...
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| Format: | Article |
| Language: | English |
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Wiley
2019-01-01
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| Series: | International Journal of Chemical Engineering |
| Online Access: | http://dx.doi.org/10.1155/2019/9825280 |
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| _version_ | 1832560777916055552 |
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| author | Jorge Gabitto Costas Tsouris |
| author_facet | Jorge Gabitto Costas Tsouris |
| author_sort | Jorge Gabitto |
| collection | DOAJ |
| description | Hydrocarbons are the most important source for hydrogen production. A combined reaction-separation process using inorganic membranes can significantly increase the reaction conversion by shifting the equilibrium toward product formation. Sulfur poisoning is a significant problem as it deactivates the most commonly used metallic membranes. The relationship of the membrane activity and surface coverage with the surface structure has been recognized in the literature. A theoretical model to simulate hydrogen transport in the presence of sulfur compounds is presented. This model accounts for active site deactivation and permanent structural damage to the membrane. Transport and reaction rate parameters used in the model have been estimated from experimental data. Qualitatively, the model represents well the behavior of inorganic membranes, including partial membrane activity regeneration after the sulfur source is removed. |
| format | Article |
| id | doaj-art-f5fe9f89eb81491fb6d07bc5a388f81d |
| institution | Kabale University |
| issn | 1687-806X 1687-8078 |
| language | English |
| publishDate | 2019-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Chemical Engineering |
| spelling | doaj-art-f5fe9f89eb81491fb6d07bc5a388f81d2025-02-03T01:26:49ZengWileyInternational Journal of Chemical Engineering1687-806X1687-80782019-01-01201910.1155/2019/98252809825280Modeling Sulfur Poisoning of Palladium Membranes Used for Hydrogen SeparationJorge Gabitto0Costas Tsouris1Department of Chemical Engineering, Prairie View A&M University, Prairie View, TX 77446, USAOak Ridge National Laboratory, Oak Ridge, TN 37831-6181, USAHydrocarbons are the most important source for hydrogen production. A combined reaction-separation process using inorganic membranes can significantly increase the reaction conversion by shifting the equilibrium toward product formation. Sulfur poisoning is a significant problem as it deactivates the most commonly used metallic membranes. The relationship of the membrane activity and surface coverage with the surface structure has been recognized in the literature. A theoretical model to simulate hydrogen transport in the presence of sulfur compounds is presented. This model accounts for active site deactivation and permanent structural damage to the membrane. Transport and reaction rate parameters used in the model have been estimated from experimental data. Qualitatively, the model represents well the behavior of inorganic membranes, including partial membrane activity regeneration after the sulfur source is removed.http://dx.doi.org/10.1155/2019/9825280 |
| spellingShingle | Jorge Gabitto Costas Tsouris Modeling Sulfur Poisoning of Palladium Membranes Used for Hydrogen Separation International Journal of Chemical Engineering |
| title | Modeling Sulfur Poisoning of Palladium Membranes Used for Hydrogen Separation |
| title_full | Modeling Sulfur Poisoning of Palladium Membranes Used for Hydrogen Separation |
| title_fullStr | Modeling Sulfur Poisoning of Palladium Membranes Used for Hydrogen Separation |
| title_full_unstemmed | Modeling Sulfur Poisoning of Palladium Membranes Used for Hydrogen Separation |
| title_short | Modeling Sulfur Poisoning of Palladium Membranes Used for Hydrogen Separation |
| title_sort | modeling sulfur poisoning of palladium membranes used for hydrogen separation |
| url | http://dx.doi.org/10.1155/2019/9825280 |
| work_keys_str_mv | AT jorgegabitto modelingsulfurpoisoningofpalladiummembranesusedforhydrogenseparation AT costastsouris modelingsulfurpoisoningofpalladiummembranesusedforhydrogenseparation |